Temperatures in December
It's warm in December in Santiago with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 32°C. At night, you can expect temperatures between 11°C and 14°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Santiago in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Santiago with hot temperatures, averaging around 29°C during the day and nights close to 12°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-December
By mid-December, the average daytime temperature stays the same at 29°C, with nights close to 12°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of December
By the end of December, the average daytime temperature in Santiago will be around 31°C, with nights close to 13°C. No precipitation expected, with plenty of sunshine on the horizon.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in December
According to weather history, there is only 6,6 mm of precipitation in December. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average chance of precipitation is only 5% in December.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Santiago. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Santiago in December |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 9°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
26°C | 8°C | |
 Total Precipitation |
6,6 mm | 67 mm | |
| Rainy Days |
1 day | 10 days | |
November
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Santiago?
Want nice weather? Then December is a great time to be in Santiago. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for Santiago in December
With 37°C, Santiago hit the highest temperature in the last 10 years in December 2022. The lowest daytime temperature in this month was 16°C in 2021. The extreme night temperatures ranged from a low of 2°C to a high of 16°C.
Check out the climate of Santiago for all months and discover the best travel time
Curious about the climate in other parts of Chile? Check out the weather and climate in places like Patagonia, Valparaíso, San Pedro de Atacama, or have a look at other destinations in Chile.
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Daily Temperature in December in Santiago
This chart shows the average daily temperatures, both day and night, for each day in December in Santiago, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Santiago
The chart below shows the average daily precipitation in December for Santiago, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect about 1 day of rain in Santiago.
Daily UV Index in December in Santiago
This chart shows the average daily UV index in December in Santiago, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Santiago Over the Years
This chart shows the average temperature in December in Santiago, measured in degrees Celsius, over the past years.
Total Precipitation in December in Santiago Over the Years
This chart shows the average precipitation in December in Santiago, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Santiago
Click on a specific day in December for detailed info on the typical weather on that day in Santiago. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Santiago
Have you been to Santiago in December?
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Average Weather in Santiago by Month
Click on a month below to see detailed weather info for Santiago. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
