Santiago de Chile weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: October – April
What is the weather like in Santiago de Chile in December?
In December, Santiago de Chile is hot: daytime highs average 27 °C, and nights cool down to about 15 °C. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, December is an excellent month for a holiday in Santiago de Chile.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 100 | 99 | 88 |
| Day | 24° | 27° | 29° |
| Night | 13° | 15° | 17° |
| Sun | 9 h | 11 h | 11 h |
| Rain days | 3 | 1 | 1 |
More details for December
- Daylight
- 14 h 21 min06:27 – 20:48
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 15 %on averageAll months
- Hot days
- 4 days30 °C or moreAll months
- Time zone
- UTC−3America/Santiago
How the score comes together
- Temperatureweight 50 %98 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- A jumper for the evenings
Santiago de Chile in December: quick answers
Is Santiago de Chile hot in December?
Yes. In December, Santiago de Chile is hot: daytime highs average 27 °C and nights stay around 15 °C. On about 4 days the thermometer climbs to 30 °C or more.
Does it rain much in Santiago de Chile in December?
It hardly ever rains.
Santiago de Chile month by month
The whole year in Santiago de ChileAll destinations: ChileWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences