Chile (Santiago)
December
Weather in Chile for December 2025
Your guide to Chile weather in December - trends and predictions
In general, the average temperature in Chile at the beginning of December is 20.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.9 °C by the end of December.
With an average of 2 rainy days, Chile experiences minimal rainfall in December.
Temperatures
Rain 🌧️
29
Dry days
2
Rainy days
0
Snow days
22°/11°
Temperatures
18 km/h
Avg max wind
35 %
Avg humidity
Chile in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 18° | 3 20° | 4 21° | 5 20° | 6  21° | 7 24° |
| 8 22° | 9 25° | 10  25° | 11 22° | 12 25° | 13 26° | 14 22° |
| 15 22° | 16 21° | 17 20° | 18 23° | 19 22° | 20 22° | 21 26° |
| 22 29° | 23  26° | 24 26° | 25 26° | 26 25° | 27 25° | 28 25° |
| 29 26° | 30 26° | 31 21° |
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Temperatures trend during December in Chile
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | 18° /7° | 0 mm | 7 | |
| 2 Dec. | Sunny | 18° /7° | 0 mm | 7 | |
| 3 Dec. | Sunny | 20° /8° | 0 mm | 7 | |
| 4 Dec. | Sunny | 21° /9° | 0 mm | 8 | |
| 5 Dec. | Sunny | 20° /7° | 0 mm | 7 | |
| 6 Dec. | Overcast | 21° /9° | 0 mm | 6 | |
| 7 Dec. | Sunny | 24° /10° | 0 mm | 7 | |
| 8 Dec. | Sunny | 22° /10° | 0 mm | 7 | |
| 9 Dec. | Sunny | 25° /10° | 0 mm | 8 | |
| 10 Dec. | Partly cloudy | 25° /12° | 0 mm | 8 | |
| 11 Dec. | Sunny | 22° /11° | 0 mm | 8 | |
| 12 Dec. | Sunny | 25° /10° | 0 mm | 8 | |
| 13 Dec. | Sunny | 26° /12° | 0 mm | 8 | |
| 14 Dec. | Partly cloudy | 22° /11° | 0 mm | 8 | |
| 15 Dec. | Sunny | 22° /11° | 0 mm | 7 | |
| 16 Dec. | Partly cloudy | 21° /9° | 0 mm | 7 | |
| 17 Dec. | Sunny | 20° /8° | 0 mm | 7 | |
| 18 Dec. | Sunny | 23° /9° | 0 mm | 8 | |
| 19 Dec. | Sunny | 22° /10° | 0 mm | 8 | |
| 20 Dec. | Sunny | 22° /10° | 0 mm | 7 | |
| 21 Dec. | Sunny | 26° /11° | 0 mm | 8 | |
| 22 Dec. | Sunny | 29° /15° | 0 mm | 8 | |
| 23 Dec. | Patchy rain possible | 26° /16° | 0 mm | 7 | |
| 24 Dec. | Sunny | 26° /14° | 0 mm | 7 | |
| 25 Dec. | Overcast | 26° /14° | 0 mm | 7 | |
| 26 Dec. | Patchy rain possible | 25° /13° | 0.1 mm | 7 | |
| 27 Dec. | Patchy rain possible | 25° /13° | 0.1 mm | 7 | |
| 28 Dec. | Patchy rain possible | 25° /14° | 0.6 mm | 7 | |
| 29 Dec. | Patchy rain possible | 26° /14° | 0.1 mm | 7 | |
| 30 Dec. | Patchy rain possible | 26° /14° | 0.1 mm | 7 | |
| 31 Dec. | Sunny | 21° /11° | 4.1 mm | 6 | |
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Important Notice
Our weather forecast for Chile in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chile forecast closer to your planned date for the most up-to-date weather information.
Chile in December - FAQ
What are the expected maximum and minimum temperatures in Chile during December?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chile during December?
Rainfall in Chile during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Chile during December?
The average wind speed in Chile during December is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Chile
Explore the daily rainfall trends and prepare for Chiles December weather 💧
UV exposure in Chile during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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