UruguayThe weather in December in Montevideo
It's warm in December in Montevideo with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 33°C. At night, you can expect temperatures between 15°C and 20°C.
Looking for sun? December isn’t a good month to be in Montevideo. The temperature is nice, but there’s too much chance of 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 Montevideo, Uruguay. 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 38°C in 2022, Montevideo reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 20°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 7°C to a highest value of 24°C.
Rainfall amount
In December, there is an average of 102 mm of precipitation, spread over 13 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in December for Montevideo
Click on any day in December to get detailed info about the usual weather on that day in Montevideo. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Montevideo | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 33°C | 12°C |
| Min. temperature | 15°C | -5°C |
| Total precipitation | 102 mm | 133 mm |
| Rainy days | 13 days | 17 days |
Start of December
The month of December starts in Montevideo with hot temps, averaging around 29°C during the day and nights around 16°C.
Mid December
By mid-December, daytime temps stay steady at around 29°C, with nights around 18°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Montevideo is around 31°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and 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.
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Temperature charts
These charts show the average temperatures in December in Montevideo, Uruguay. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Montevideo
Temperature in December in Montevideo over the years
Precipitation charts
These charts show the average amount of precipitation in December in Montevideo, Uruguay. 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 Montevideo
Total precipitation in December in Montevideo over the years
Daily UV index in December in Montevideo
This chart shows the average daily UV index in December in Montevideo, 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 Montevideo
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Average weather in Montevideo by month
Click on a month below to see detailed weather info for Montevideo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.