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ChileThe weather in December in Santiago
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.
Looking for great weather? December is a good time to be in Santiago. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Santiago, Chile. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2022, Santiago reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 16°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 16°C.
Rainfall amount
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.
Daily weather in December for Santiago
Click on any day in December to get detailed info about the usual weather on that day in Santiago. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Santiago | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 32°C | 12°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 6,6 mm | 133 mm |
| Rainy days | 2 days | 17 days |
Start of December
The month of December starts in Santiago with hot temps, averaging around 29°C during the day and nights around 12°C.
Mid December
By mid-December, daytime temps stay steady at around 29°C, with nights around 12°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Santiago is around 31°C, while nighttime temps are about 13°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
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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.
Check out the climate of Santiago for all months and discover the best travel time
Curious about the weather in other parts of Chile? Check out the climate and weather for spots like Patagonia, Valparaíso, San Pedro de Atacama, or explore other destinations in Chile.
Temperature charts
These charts show the average temperatures in December in Santiago, Chile. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Santiago
Temperature in December in Santiago over the years
Precipitation charts
These charts show the average amount of precipitation in December in Santiago, Chile. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Santiago
Total precipitation in December in Santiago over the years
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.
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.