When to go · Santiago
Santiago in December
Great month. Warm to hot; Christmas week is quiet.
Key facts
- Verdict
- Great
- Temperature
- 29°C (84°F)84°F (29°C) / 13°C (55°F)55°F (13°C)
- average high / low
- Rain days
- 1
- Crowds
- High
- Chile overall
- Prices
- High
- Chile overall
Verdict
Warm to hot; Christmas week is quiet.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than December?
No other month rates higher than December for Santiago in this guide.
Weather in December
- SantiagoHighs around 29 °C (84 °F), lows around 13 °C (55 °F), rain on about 1 dayHighs around 84 °F (29 °C), lows around 55 °F (13 °C), rain on about 1 day
- Central Chile, Chile · Santiago, Valparaíso, wine valleysbest weather
Mediterranean: hot dry summers (30 °C (86 °F)+), cool wet winters with smog in Santiago; harvest festivals in March.Mediterranean: hot dry summers (86 °F (30 °C)+), cool wet winters with smog in Santiago; harvest festivals in March.
Summer season
Hot, dry and clear evenings; the city is quieter in February as locals leave.
Watch: Heat above 30 °C by day; sunscreen and shade.
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.
Immaculate Conception and Christmas
8 and 25 December · Nationwide
Public holidays; pilgrimage to the Virgin on San Cristóbal on the 8th.
Crowds and prices
- Crowds · Chile overall
- High
- Prices · Chile overall
- High
Chile overall: Summer; book Torres del Paine refugios and campsites months ahead.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Santiago, side by side.
Verdict
Dec: Great
Mar: Great
Daytime high
Dec: 29 °C (84 °F)84 °F (29 °C)
Mar: 27 °C (81 °F)81 °F (27 °C)
Night low
Dec: 13 °C (55 °F)55 °F (13 °C)
Mar: 12 °C (54 °F)54 °F (12 °C)
Rain days
Dec: 1
Mar: 1
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 1
Mar: 2
December: Warm to hot; Christmas week is quiet.
March: Warm and clear; grape harvest.
Santiago: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.