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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

GoodVoykit month rating for Argentina

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.

  • 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.

  • 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.

  • 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.

  • 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.

  • Cool and sunnier than the Chilean side; snow above about 1,000 m in winter. Trekking season is roughly Nov–Mar.

  • 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 days
  • Adrogué22 °C (72 °F) / 12 °C (54 °F), 9 rain days
  • Amaicha del Valle26 °C (79 °F) / 10 °C (50 °F), 6 rain days
  • Arrecifes23 °C (73 °F) / 10 °C (50 °F), 8 rain days
  • Ayacucho23 °C (73 °F) / 10 °C (50 °F), 7 rain days
  • Bahía Blanca22 °C (72 °F) / 9 °C (48 °F), 7 rain days
  • Balneario El Cóndor22 °C (72 °F) / 14 °C (57 °F), 6 rain days
  • Barreal22 °C (72 °F) / 8 °C (46 °F), 2 rain days
  • Berisso21 °C (70 °F) / 12 °C (54 °F), 9 rain days
  • Cachi22 °C (72 °F) / 8 °C (46 °F), 4 rain days
  • Cafayate26 °C (79 °F) / 12 °C (54 °F), 5 rain days
  • Capilla del Monte23 °C (73 °F) / 9 °C (48 °F), 6 rain days
  • Capilla del Señor22 °C (72 °F) / 11 °C (52 °F), 5 rain days
  • Cariló19 °C (66 °F) / 9 °C (48 °F), 9 rain days
  • Catedral Alta Patagonia14 °C (57 °F) / 3 °C (37 °F), 7 rain days
  • Chajari25 °C (77 °F) / 11 °C (52 °F), 5 rain days
  • Chapelco15 °C (59 °F) / 5 °C (41 °F), 7 rain days
  • Chascomús20 °C (68 °F) / 9 °C (48 °F), 9 rain days
  • Clorinda30 °C (86 °F) / 18 °C (64 °F), 7 rain days
  • Colón24 °C (75 °F) / 14 °C (57 °F), 8 rain days
  • Colonia Carlos Pellegrini26 °C (79 °F) / 15 °C (59 °F), 10 rain days
  • Colonia Suiza17 °C (63 °F) / 7 °C (45 °F), 7 rain days
  • Comodoro Rivadavia14 °C (57 °F) / 6 °C (43 °F), 9 rain days
  • Concordia25 °C (77 °F) / 13 °C (55 °F), 8 rain days
  • Córdoba26.3 °C (79 °F) / 13.4 °C (56 °F), 7 rain days
  • Corrientes28.1 °C (83 °F) / 16.8 °C (62 °F), 153.8 rain days
  • El Bolsón16 °C (61 °F) / 5 °C (41 °F), 7 rain days
  • El Calafate13.5 °C (56 °F) / 1.3 °C (34 °F), 14 rain days
  • El Chaltén13 °C (55 °F) / 2 °C (36 °F), 8 rain days
  • Esquel16 °C (61 °F) / 4 °C (39 °F), 8 rain days
  • Esquina28 °C (82 °F) / 16 °C (61 °F), 8 rain days
  • Federación25 °C (77 °F) / 14 °C (57 °F), 9 rain days
  • Formosa31 °C (88 °F) / 18 °C (64 °F), 10 rain days
  • Gualeguaychu23 °C (73 °F) / 13 °C (55 °F), 9 rain days
  • Humahuaca23 °C (73 °F) / 7 °C (45 °F), 5 rain days
  • La Plata21 °C (70 °F) / 11 °C (52 °F), 9 rain days
  • La Punta27 °C (81 °F) / 12 °C (54 °F), 6 rain days
  • La Rioja29 °C (84 °F) / 14 °C (57 °F), 4 rain days
  • Lago Puelo16 °C (61 °F) / 4 °C (39 °F), 7 rain days
  • Las Leñas13 °C (55 °F) / 0 °C (32 °F), 5 rain days
  • Luján23 °C (73 °F) / 12 °C (54 °F), 8 rain days
  • Magdalena23 °C (73 °F) / 11 °C (52 °F), 7 rain days
  • Malargüe21 °C (70 °F) / 6 °C (43 °F), 4 rain days
  • Mar del Plata18.6 °C (65 °F) / 8.1 °C (47 °F), 83 rain days
  • Martínez22 °C (72 °F) / 13 °C (55 °F), 7 rain days
  • Medanos22 °C (72 °F) / 9 °C (48 °F), 7 rain days
  • Mendoza26 °C (79 °F) / 12 °C (54 °F), 1 rain days
  • Mercedes27 °C (81 °F) / 16 °C (61 °F), 8 rain days
  • Necochea20 °C (68 °F) / 9 °C (48 °F), 9 rain days
  • Neuquén22.9 °C (73 °F) / 8.4 °C (47 °F), 8 rain days
  • Paraná25 °C (77 °F) / 15 °C (59 °F), 5 rain days
  • Paso de los Libres26 °C (79 °F) / 13 °C (55 °F), 7 rain days
  • Pergamino24 °C (75 °F) / 11 °C (52 °F), 8 rain days
  • Posadas28.5 °C (83 °F) / 17.6 °C (64 °F), 253 rain days
  • Puerto Iguazú29 °C (84 °F) / 17 °C (63 °F), 10 rain days
  • Puerto Madryn21 °C (70 °F) / 8 °C (46 °F), 3 rain days
  • Puerto San Julián14 °C (57 °F) / 3 °C (37 °F), 5 rain days
  • Purmamarca30 °C (86 °F) / 18 °C (64 °F), 3 rain days
  • Rawson17 °C (63 °F) / 5 °C (41 °F), 5 rain days
  • Resistencia28.5 °C (83 °F) / 16.5 °C (62 °F), 138 rain days
  • Rio Gallegos15 °C (59 °F) / 3 °C (37 °F), 9 rain days
  • Rosario24 °C (75 °F) / 12 °C (54 °F), 8 rain days
  • Salta26 °C (79 °F) / 12 °C (54 °F), 5 rain days
  • San Agustín de Valle Fértil29 °C (84 °F) / 13 °C (55 °F), 3 rain days
  • San Antonio de Areco25 °C (77 °F) / 13 °C (55 °F), 6 rain days
  • San Antonio de los Cobres21 °C (70 °F) / 5 °C (41 °F), 5 rain days
  • San Antonio Oeste20 °C (68 °F) / 12 °C (54 °F), 7 rain days
  • San Carlos de Bariloche15 °C (59 °F) / 2 °C (36 °F), 7 rain days
  • San José de Jáchal28 °C (82 °F) / 13 °C (55 °F), 9 rain days
  • San Juan28 °C (82 °F) / 11 °C (52 °F), 1 rain days
  • San Lorenzo23 °C (73 °F) / 8 °C (46 °F), 5 rain days
  • San Luis26 °C (79 °F) / 12 °C (54 °F), 6 rain days
  • San Martín de los Andes13 °C (55 °F) / 2 °C (36 °F), 7 rain days
  • San Miguel de Tucumán25 °C (77 °F) / 13 °C (55 °F), 9 rain days
  • San Rafael25 °C (77 °F) / 10 °C (50 °F), 4 rain days
  • San Salvador de Jujuy24 °C (75 °F) / 10 °C (50 °F), 7 rain days
  • Santa Fe25.2 °C (77 °F) / 14 °C (57 °F), 8 rain days
  • Santa Maria, Catamarca27 °C (81 °F) / 12 °C (54 °F), 4 rain days
  • Santa Rosa22 °C (72 °F) / 8 °C (46 °F), 4 rain days
  • Santiago del Estero29 °C (84 °F) / 16 °C (61 °F), 5 rain days
  • Sierra de la Ventana20 °C (68 °F) / 6 °C (43 °F), 8 rain days
  • Tafi Viejo28 °C (82 °F) / 15 °C (59 °F), 7 rain days
  • Tandil21 °C (70 °F) / 8 °C (46 °F), 9 rain days
  • Tigre25 °C (77 °F) / 13 °C (55 °F), 7 rain days
  • Tilcara24 °C (75 °F) / 8 °C (46 °F), 6 rain days
  • Trelew18 °C (64 °F) / 8 °C (46 °F), 5 rain days
  • Trevelin15 °C (59 °F) / 4 °C (39 °F), 8 rain days
  • Tunuyán18 °C (64 °F) / 5 °C (41 °F), 4 rain days
  • Uquía32 °C (90 °F) / 18 °C (64 °F), 4 rain days
  • Viedma21 °C (70 °F) / 7 °C (45 °F), 4 rain days
  • Villa Carlos Paz25 °C (77 °F) / 12 °C (54 °F), 7 rain days
  • Villa El Chocón18 °C (64 °F) / 5 °C (41 °F), 6 rain days
  • Villa Gesell20 °C (68 °F) / 9 °C (48 °F), 9 rain days
  • Villa la Angostura15.6 °C (60 °F) / 1.5 °C (35 °F), 10 rain days
  • Villa Unión29 °C (84 °F) / 13 °C (55 °F), 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.

Build the full packing list for your trip →

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)

  • Buenos Aires

    Warm; a good month.

  • Adrogué

    Best months: Mar–May, Sep–Nov

  • Amaicha del Valle

    Best months: Apr–Oct

  • Arrecifes

    Best months: Mar–May, Sep–Nov

  • Ayacucho

    Best months: Mar–May, Sep–Nov (mild and dry)

  • Bahía Blanca

    Best months: Mar–May, Sep–Nov

  • Barreal

    Best months: Oct–Apr

  • Berisso

    Best months: Sep–Oct (Immigrant's Party)

  • Cachi

    Best months: Apr–Nov