ArgentinaThe weather in December in San Luis
It's hot in December in San Luis with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 34°C. At night, you can expect temperatures between 15°C and 20°C.
December is a good month to be in San Luis for sunny weather. You’ll have high temperatures and 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 San Luis, Argentina. 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 43°C in 2023, San Luis reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 16°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 26°C.
Rainfall amount
In December, there is an average of 97 mm of precipitation, spread over 12 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Daily weather in December for San Luis
Click on any day in December to get detailed info about the usual weather on that day in San Luis. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| San Luis | New York | |
|---|---|---|
| Average temperature | 32°C | 9°C |
| Max. temperature | 34°C | 12°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 97 mm | 133 mm |
| Rainy days | 12 days | 17 days |
Start of December
The month of December starts in San Luis with hot temps, averaging around 31°C during the day and nights around 17°C.
Mid December
By mid-December, daytime temps rise to around 32°C, with nights around 18°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in San Luis is around 33°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
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 San Luis for all months and discover the best travel time
Curious about the weather in other parts of Argentina? Check out the climate and weather for spots like Buenos Aires, Patagonia, Ushuaia, or explore other destinations in Argentina.
Temperature charts
These charts show the average temperatures in December in San Luis, Argentina. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in San Luis
Temperature in December in San Luis over the years
Precipitation charts
These charts show the average amount of precipitation in December in San Luis, Argentina. 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 San Luis
Total precipitation in December in San Luis over the years
Daily UV index in December in San Luis
This chart shows the average daily UV index in December in San Luis, 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 San Luis
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Average weather in San Luis by month
Click on a month below to see detailed weather info for San Luis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.