When to go · Argentina
Argentina in October
Good month. Good month for Buenos Aires and Mendoza; Patagonia reopens with some trails still snowy.
Key facts
- Verdict
- Good
- Crowds
- Medium
- Argentina
- Prices
- Medium
- Argentina
Verdict
Good month for Buenos Aires and Mendoza; Patagonia reopens with some trails still snowy.
Is another month better than October?
October is rated good. These months rate higher:
Weather in October
- Buenos Aires and the Pampas · Buenos Aires, La Plata, Mar del Platabest weather
Humid 30 °C (86 °F)+ summers; mild spring and autumn are the city season; winters are grey and around 10 °C (50 °F) but rarely freezing.Humid 86 °F (30 °C)+ summers; mild spring and autumn are the city season; winters are grey and around 50 °F (10 °C) but rarely freezing.
- Northeast (Iguazú, Esteros del Iberá) · Puerto Iguazú, Corrientesfine
Subtropical and wet all year; summer is sticky at 35 °C (95 °F); the falls carry the most water after heavy rains, which can close walkways.Subtropical and wet all year; summer is sticky at 95 °F (35 °C); the falls carry the most water after heavy rains, which can close walkways.
- Northwest (Salta and Jujuy) · Salta, Purmamarca, Humahuaca, Cafayatebest weather
Summer rains can cut mountain roads in January–March; the dry winter is clear but cold at night above 3,000 m.
- Cuyo (Mendoza and the high Andes) · Mendoza, San Juan, Aconcaguabest weather
Dry and sunny; harvest (vendimia) in March; the pass to Chile can close with snow in June–September.
- Lakes District · Bariloche, San Martín de los Andes, Villa La Angosturafine
Summer for lakes and hiking; July–August for skiing at Cerro Catedral; autumn colours in April.
- Southern Patagonia · El Calafate, El Chaltén, Puerto Madrynfine
Wind up to 100 km/h (62 mph) in summer; El Chaltén largely shuts from May to September. Whales at Península Valdés June–December.Wind up to 62 mph (100 km/h) in summer; El Chaltén largely shuts from May to September. Whales at Península Valdés June–December.
- Tierra del Fuego · Ushuaiafine
Cool even in summer (around 10–15 °C (50–59 °F)); Antarctic cruises sail November–March; winter brings skiing at Cerro Castor.Cool even in summer (around 50–59 °F (10–15 °C)); Antarctic cruises sail November–March; winter brings skiing at Cerro Castor.
- Andean Northwest: Quebrada de Humahuaca (Tilcara, Humahuaca) · Jujuy, 2,300-3,000 mfine
Dry, sunny days and cold nights year-round; Jun-Aug nights drop below freezing. Jan-Mar brings afternoon storms.
- Andean Northwest: Salta and the Calchaquí valleys · Salta province, 1,200-2,300 mbest weather
Mild and dry Apr-Nov; summer (Dec-Mar) is hot with heavy rain that can cut gravel roads.
- Chaco: Chaco plain (Resistencia, Clorinda, Formosa) · northern Argentina, Paraguay and Bolivia bordershot
Subtropical: dry winter roughly June to mid-August, then heavy summer rain. Best window is June to mid-August; January to February is the worst heat.
- Cuyo: Mendoza and San Juan · Andean foothills and desert valleysbest weather
Dry and sunny most of the year; Zonda wind can push temperatures sharply in spring. Best months are March–May and October–November.
- Cuyo: San Luis · Sierras and reservoirs east of the Andesfine
Lake season is December–February, when Argentines fill the sierras; winter is quiet and cold at night.
- Mesopotamia: Misiones and Corrientes · Subtropical northeastfine
Warm and humid most of the year; rain is possible in any month, heaviest in summer. Winter (Jun–Aug) is milder and drier — good for walking the falls.
- Pampas: Pampas · Buenos Aires to Córdoba, Atlantic coast to the westbest weather
Humid summers (Dec–Feb) with 30 °C (86 °F)+ days and thunderstorms; winters (Jun–Aug) are mild but damp and grey. Spring and autumn are the comfortable windows.Humid summers (Dec–Feb) with 86 °F (30 °C)+ days and thunderstorms; winters (Jun–Aug) are mild but damp and grey. Spring and autumn are the comfortable windows.
- Patagonia (Argentina): Andean west (Bariloche, El Chaltén, El Calafate) · Southern Andes and foothillsfine
Cool and sunnier than the Chilean side; snow above about 1,000 m in winter. Trekking season is roughly Nov–Mar.
- Patagonia (Argentina): Atlantic east (Puerto Madryn, Trelew, Viedma) · Meseta and coastbest weather
Temperate, windy, hot summers in the north; whales around Península Valdés roughly Sep–Nov, penguins in the same window.
- Buenos Aires21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
- Adrogué22 °C (72 °F) / 12 °C (54 °F), 9 rain days72 °F (22 °C) / 54 °F (12 °C), 9 rain days
- Amaicha del Valle26 °C (79 °F) / 10 °C (50 °F), 6 rain days79 °F (26 °C) / 50 °F (10 °C), 6 rain days
- Arrecifes23 °C (73 °F) / 10 °C (50 °F), 8 rain days73 °F (23 °C) / 50 °F (10 °C), 8 rain days
- Ayacucho23 °C (73 °F) / 10 °C (50 °F), 7 rain days73 °F (23 °C) / 50 °F (10 °C), 7 rain days
- Bahía Blanca22 °C (72 °F) / 9 °C (48 °F), 7 rain days72 °F (22 °C) / 48 °F (9 °C), 7 rain days
- Balneario El Cóndor22 °C (72 °F) / 14 °C (57 °F), 6 rain days72 °F (22 °C) / 57 °F (14 °C), 6 rain days
- Barreal22 °C (72 °F) / 8 °C (46 °F), 2 rain days72 °F (22 °C) / 46 °F (8 °C), 2 rain days
- Berisso21 °C (70 °F) / 12 °C (54 °F), 9 rain days70 °F (21 °C) / 54 °F (12 °C), 9 rain days
- Cachi22 °C (72 °F) / 8 °C (46 °F), 4 rain days72 °F (22 °C) / 46 °F (8 °C), 4 rain days
- Cafayate26 °C (79 °F) / 12 °C (54 °F), 5 rain days79 °F (26 °C) / 54 °F (12 °C), 5 rain days
- Capilla del Monte23 °C (73 °F) / 9 °C (48 °F), 6 rain days73 °F (23 °C) / 48 °F (9 °C), 6 rain days
- Capilla del Señor22 °C (72 °F) / 11 °C (52 °F), 5 rain days72 °F (22 °C) / 52 °F (11 °C), 5 rain days
- Cariló19 °C (66 °F) / 9 °C (48 °F), 9 rain days66 °F (19 °C) / 48 °F (9 °C), 9 rain days
- Catedral Alta Patagonia14 °C (57 °F) / 3 °C (37 °F), 7 rain days57 °F (14 °C) / 37 °F (3 °C), 7 rain days
- Chajari25 °C (77 °F) / 11 °C (52 °F), 5 rain days77 °F (25 °C) / 52 °F (11 °C), 5 rain days
- Chapelco15 °C (59 °F) / 5 °C (41 °F), 7 rain days59 °F (15 °C) / 41 °F (5 °C), 7 rain days
- Chascomús20 °C (68 °F) / 9 °C (48 °F), 9 rain days68 °F (20 °C) / 48 °F (9 °C), 9 rain days
- Clorinda30 °C (86 °F) / 18 °C (64 °F), 7 rain days86 °F (30 °C) / 64 °F (18 °C), 7 rain days
- Colón24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
- Colonia Carlos Pellegrini26 °C (79 °F) / 15 °C (59 °F), 10 rain days79 °F (26 °C) / 59 °F (15 °C), 10 rain days
- Colonia Suiza17 °C (63 °F) / 7 °C (45 °F), 7 rain days63 °F (17 °C) / 45 °F (7 °C), 7 rain days
- Comodoro Rivadavia14 °C (57 °F) / 6 °C (43 °F), 9 rain days57 °F (14 °C) / 43 °F (6 °C), 9 rain days
- Concordia25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Córdoba26.3 °C (79 °F) / 13.4 °C (56 °F), 7 rain days79 °F (26.3 °C) / 56 °F (13.4 °C), 7 rain days
- Corrientes28.1 °C (83 °F) / 16.8 °C (62 °F), 153.8 rain days83 °F (28.1 °C) / 62 °F (16.8 °C), 153.8 rain days
- El Bolsón16 °C (61 °F) / 5 °C (41 °F), 7 rain days61 °F (16 °C) / 41 °F (5 °C), 7 rain days
- El Calafate13.5 °C (56 °F) / 1.3 °C (34 °F), 14 rain days56 °F (13.5 °C) / 34 °F (1.3 °C), 14 rain days
- El Chaltén13 °C (55 °F) / 2 °C (36 °F), 8 rain days55 °F (13 °C) / 36 °F (2 °C), 8 rain days
- Esquel16 °C (61 °F) / 4 °C (39 °F), 8 rain days61 °F (16 °C) / 39 °F (4 °C), 8 rain days
- Esquina28 °C (82 °F) / 16 °C (61 °F), 8 rain days82 °F (28 °C) / 61 °F (16 °C), 8 rain days
- Federación25 °C (77 °F) / 14 °C (57 °F), 9 rain days77 °F (25 °C) / 57 °F (14 °C), 9 rain days
- Formosa31 °C (88 °F) / 18 °C (64 °F), 10 rain days88 °F (31 °C) / 64 °F (18 °C), 10 rain days
- Gualeguaychu23 °C (73 °F) / 13 °C (55 °F), 9 rain days73 °F (23 °C) / 55 °F (13 °C), 9 rain days
- Humahuaca23 °C (73 °F) / 7 °C (45 °F), 5 rain days73 °F (23 °C) / 45 °F (7 °C), 5 rain days
- La Plata21 °C (70 °F) / 11 °C (52 °F), 9 rain days70 °F (21 °C) / 52 °F (11 °C), 9 rain days
- La Punta27 °C (81 °F) / 12 °C (54 °F), 6 rain days81 °F (27 °C) / 54 °F (12 °C), 6 rain days
- La Rioja29 °C (84 °F) / 14 °C (57 °F), 4 rain days84 °F (29 °C) / 57 °F (14 °C), 4 rain days
- Lago Puelo16 °C (61 °F) / 4 °C (39 °F), 7 rain days61 °F (16 °C) / 39 °F (4 °C), 7 rain days
- Las Leñas13 °C (55 °F) / 0 °C (32 °F), 5 rain days55 °F (13 °C) / 32 °F (0 °C), 5 rain days
- Luján23 °C (73 °F) / 12 °C (54 °F), 8 rain days73 °F (23 °C) / 54 °F (12 °C), 8 rain days
- Magdalena23 °C (73 °F) / 11 °C (52 °F), 7 rain days73 °F (23 °C) / 52 °F (11 °C), 7 rain days
- Malargüe21 °C (70 °F) / 6 °C (43 °F), 4 rain days70 °F (21 °C) / 43 °F (6 °C), 4 rain days
- Mar del Plata18.6 °C (65 °F) / 8.1 °C (47 °F), 83 rain days65 °F (18.6 °C) / 47 °F (8.1 °C), 83 rain days
- Martínez22 °C (72 °F) / 13 °C (55 °F), 7 rain days72 °F (22 °C) / 55 °F (13 °C), 7 rain days
- Medanos22 °C (72 °F) / 9 °C (48 °F), 7 rain days72 °F (22 °C) / 48 °F (9 °C), 7 rain days
- Mendoza26 °C (79 °F) / 12 °C (54 °F), 1 rain days79 °F (26 °C) / 54 °F (12 °C), 1 rain days
- Mercedes27 °C (81 °F) / 16 °C (61 °F), 8 rain days81 °F (27 °C) / 61 °F (16 °C), 8 rain days
- Necochea20 °C (68 °F) / 9 °C (48 °F), 9 rain days68 °F (20 °C) / 48 °F (9 °C), 9 rain days
- Neuquén22.9 °C (73 °F) / 8.4 °C (47 °F), 8 rain days73 °F (22.9 °C) / 47 °F (8.4 °C), 8 rain days
- Paraná25 °C (77 °F) / 15 °C (59 °F), 5 rain days77 °F (25 °C) / 59 °F (15 °C), 5 rain days
- Paso de los Libres26 °C (79 °F) / 13 °C (55 °F), 7 rain days79 °F (26 °C) / 55 °F (13 °C), 7 rain days
- Pergamino24 °C (75 °F) / 11 °C (52 °F), 8 rain days75 °F (24 °C) / 52 °F (11 °C), 8 rain days
- Posadas28.5 °C (83 °F) / 17.6 °C (64 °F), 253 rain days83 °F (28.5 °C) / 64 °F (17.6 °C), 253 rain days
- Puerto Iguazú29 °C (84 °F) / 17 °C (63 °F), 10 rain days84 °F (29 °C) / 63 °F (17 °C), 10 rain days
- Puerto Madryn21 °C (70 °F) / 8 °C (46 °F), 3 rain days70 °F (21 °C) / 46 °F (8 °C), 3 rain days
- Puerto San Julián14 °C (57 °F) / 3 °C (37 °F), 5 rain days57 °F (14 °C) / 37 °F (3 °C), 5 rain days
- Purmamarca30 °C (86 °F) / 18 °C (64 °F), 3 rain days86 °F (30 °C) / 64 °F (18 °C), 3 rain days
- Rawson17 °C (63 °F) / 5 °C (41 °F), 5 rain days63 °F (17 °C) / 41 °F (5 °C), 5 rain days
- Resistencia28.5 °C (83 °F) / 16.5 °C (62 °F), 138 rain days83 °F (28.5 °C) / 62 °F (16.5 °C), 138 rain days
- Rio Gallegos15 °C (59 °F) / 3 °C (37 °F), 9 rain days59 °F (15 °C) / 37 °F (3 °C), 9 rain days
- Rosario24 °C (75 °F) / 12 °C (54 °F), 8 rain days75 °F (24 °C) / 54 °F (12 °C), 8 rain days
- Salta26 °C (79 °F) / 12 °C (54 °F), 5 rain days79 °F (26 °C) / 54 °F (12 °C), 5 rain days
- San Agustín de Valle Fértil29 °C (84 °F) / 13 °C (55 °F), 3 rain days84 °F (29 °C) / 55 °F (13 °C), 3 rain days
- San Antonio de Areco25 °C (77 °F) / 13 °C (55 °F), 6 rain days77 °F (25 °C) / 55 °F (13 °C), 6 rain days
- San Antonio de los Cobres21 °C (70 °F) / 5 °C (41 °F), 5 rain days70 °F (21 °C) / 41 °F (5 °C), 5 rain days
- San Antonio Oeste20 °C (68 °F) / 12 °C (54 °F), 7 rain days68 °F (20 °C) / 54 °F (12 °C), 7 rain days
- San Carlos de Bariloche15 °C (59 °F) / 2 °C (36 °F), 7 rain days59 °F (15 °C) / 36 °F (2 °C), 7 rain days
- San José de Jáchal28 °C (82 °F) / 13 °C (55 °F), 9 rain days82 °F (28 °C) / 55 °F (13 °C), 9 rain days
- San Juan28 °C (82 °F) / 11 °C (52 °F), 1 rain days82 °F (28 °C) / 52 °F (11 °C), 1 rain days
- San Lorenzo23 °C (73 °F) / 8 °C (46 °F), 5 rain days73 °F (23 °C) / 46 °F (8 °C), 5 rain days
- San Luis26 °C (79 °F) / 12 °C (54 °F), 6 rain days79 °F (26 °C) / 54 °F (12 °C), 6 rain days
- San Martín de los Andes13 °C (55 °F) / 2 °C (36 °F), 7 rain days55 °F (13 °C) / 36 °F (2 °C), 7 rain days
- San Miguel de Tucumán25 °C (77 °F) / 13 °C (55 °F), 9 rain days77 °F (25 °C) / 55 °F (13 °C), 9 rain days
- San Rafael25 °C (77 °F) / 10 °C (50 °F), 4 rain days77 °F (25 °C) / 50 °F (10 °C), 4 rain days
- San Salvador de Jujuy24 °C (75 °F) / 10 °C (50 °F), 7 rain days75 °F (24 °C) / 50 °F (10 °C), 7 rain days
- Santa Fe25.2 °C (77 °F) / 14 °C (57 °F), 8 rain days77 °F (25.2 °C) / 57 °F (14 °C), 8 rain days
- Santa Maria, Catamarca27 °C (81 °F) / 12 °C (54 °F), 4 rain days81 °F (27 °C) / 54 °F (12 °C), 4 rain days
- Santa Rosa22 °C (72 °F) / 8 °C (46 °F), 4 rain days72 °F (22 °C) / 46 °F (8 °C), 4 rain days
- Santiago del Estero29 °C (84 °F) / 16 °C (61 °F), 5 rain days84 °F (29 °C) / 61 °F (16 °C), 5 rain days
- Sierra de la Ventana20 °C (68 °F) / 6 °C (43 °F), 8 rain days68 °F (20 °C) / 43 °F (6 °C), 8 rain days
- Tafi Viejo28 °C (82 °F) / 15 °C (59 °F), 7 rain days82 °F (28 °C) / 59 °F (15 °C), 7 rain days
- Tandil21 °C (70 °F) / 8 °C (46 °F), 9 rain days70 °F (21 °C) / 46 °F (8 °C), 9 rain days
- Tigre25 °C (77 °F) / 13 °C (55 °F), 7 rain days77 °F (25 °C) / 55 °F (13 °C), 7 rain days
- Tilcara24 °C (75 °F) / 8 °C (46 °F), 6 rain days75 °F (24 °C) / 46 °F (8 °C), 6 rain days
- Trelew18 °C (64 °F) / 8 °C (46 °F), 5 rain days64 °F (18 °C) / 46 °F (8 °C), 5 rain days
- Trevelin15 °C (59 °F) / 4 °C (39 °F), 8 rain days59 °F (15 °C) / 39 °F (4 °C), 8 rain days
- Tunuyán18 °C (64 °F) / 5 °C (41 °F), 4 rain days64 °F (18 °C) / 41 °F (5 °C), 4 rain days
- Uquía32 °C (90 °F) / 18 °C (64 °F), 4 rain days90 °F (32 °C) / 64 °F (18 °C), 4 rain days
- Viedma21 °C (70 °F) / 7 °C (45 °F), 4 rain days70 °F (21 °C) / 45 °F (7 °C), 4 rain days
- Villa Carlos Paz25 °C (77 °F) / 12 °C (54 °F), 7 rain days77 °F (25 °C) / 54 °F (12 °C), 7 rain days
- Villa El Chocón18 °C (64 °F) / 5 °C (41 °F), 6 rain days64 °F (18 °C) / 41 °F (5 °C), 6 rain days
- Villa Gesell20 °C (68 °F) / 9 °C (48 °F), 9 rain days68 °F (20 °C) / 48 °F (9 °C), 9 rain days
- Villa la Angostura15.6 °C (60 °F) / 1.5 °C (35 °F), 10 rain days60 °F (15.6 °C) / 35 °F (1.5 °C), 10 rain days
- Villa Unión29 °C (84 °F) / 13 °C (55 °F), 3 rain days84 °F (29 °C) / 55 °F (13 °C), 3 rain days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Day of Respect for Cultural Diversity
12 Oct (moved)
Long weekend.
Jacaranda bloom
Spring, peaking around October-November (weather dependent) · Buenos Aires
Purple-flowering trees line many streets; a favourite season for photography and walking.
Crowds and prices
- Crowds · Argentina
- Medium
- Prices · Argentina
- Medium
Compare two months
Weather, crowds and prices for any two months in Argentina, side by side.
Verdict
Oct: Good
Mar: Great (better)
Crowds
Oct: Medium
Mar: Medium
Prices
Oct: Medium
Mar: Medium
Festivals listed
Oct: 2
Mar: 4
October: Good month for Buenos Aires and Mendoza; Patagonia reopens with some trails still snowy.
March: Good all round: Mendoza harvest festival, Patagonia calmer, Buenos Aires cooling down.
Argentina: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.
Where to go in October
Rated best or good this month
Buenos Aires and the Pampas
Best weather of the year (Buenos Aires, La Plata, Mar del Plata)
Northwest (Salta and Jujuy)
Best weather of the year (Salta, Purmamarca, Humahuaca, Cafayate)
Cuyo (Mendoza and the high Andes)
Best weather of the year (Mendoza, San Juan, Aconcagua)
Warm; a good month.
Best months: Mar–May, Sep–Nov
Best months: Apr–Oct
Best months: Mar–May, Sep–Nov
Best months: Mar–May, Sep–Nov (mild and dry)
Best months: Mar–May, Sep–Nov
Best months: Oct–Apr
Best months: Sep–Oct (Immigrant's Party)
Best months: Apr–Nov