Montevideo
December
Weather in Montevideo for December 2025
Your guide to Montevideo weather in December - trends and predictions
In general, the average temperature in Montevideo at the beginning of December is 23.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26.6 °C by the end of December.
The climate of Montevideo in December is notably wet, with an average of 12 rainy days, and a total of 136.8 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
12
Rainy days
0
Snow days
26°/16°
Temperatures
23 km/h
Avg max wind
65 %
Avg humidity
Montevideo in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  23° | 3  19° | 4  23° | 5 28° | 6  25° | 7 21° |
| 8 22° | 9 24° | 10 27° | 11  30° | 12 31° | 13 28° | 14 28° |
| 15 26° | 16 29° | 17 28° | 18 27° | 19  26° | 20 25° | 21 22° |
| 22 28° | 23 30° | 24 26° | 25 22° | 26 23° | 27 28° | 28 28° |
| 29 25° | 30 29° | 31 31° |
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Temperatures trend during December in Montevideo
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. | Moderate or heavy rain shower | 25° /17° | 48.8 mm | 7 | |
| 2 Dec. | Fog | 23° /17° | 0.3 mm | 7 | |
| 3 Dec. | Overcast | 19° /14° | 0 mm | 6 | |
| 4 Dec. | Partly cloudy | 23° /11° | 0 mm | 8 | |
| 5 Dec. | Overcast | 28° /13° | 1.3 mm | 9 | |
| 6 Dec. | Patchy rain possible | 25° /17° | 3.3 mm | 7 | |
| 7 Dec. | Light rain shower | 21° /14° | 3.2 mm | 7 | |
| 8 Dec. | Partly cloudy | 22° /12° | 0 mm | 8 | |
| 9 Dec. | Overcast | 24° /10° | 0 mm | 7 | |
| 10 Dec. | Partly cloudy | 27° /13° | 0 mm | 9 | |
| 11 Dec. | Sunny | 30° /15° | 0 mm | 9 | |
| 12 Dec. | Overcast | 31° /16° | 0 mm | 9 | |
| 13 Dec. | Light rain shower | 28° /18° | 6.4 mm | 8 | |
| 14 Dec. | Light rain shower | 28° /19° | 0.3 mm | 8 | |
| 15 Dec. | Light rain shower | 26° /19° | 1.6 mm | 7 | |
| 16 Dec. | Light rain shower | 29° /19° | 0.3 mm | 8 | |
| 17 Dec. | Light rain shower | 28° /18° | 20 mm | 8 | |
| 18 Dec. | Light rain shower | 27° /17° | 2.3 mm | 8 | |
| 19 Dec. | Cloudy | 26° /18° | 0 mm | 8 | |
| 20 Dec. | Patchy rain possible | 25° /17° | 1.7 mm | 7 | |
| 21 Dec. | Light rain shower | 22° /16° | 2.7 mm | 7 | |
| 22 Dec. | Sunny | 28° /15° | 0 mm | 8 | |
| 23 Dec. | Patchy rain possible | 30° /16° | 0.4 mm | 8 | |
| 24 Dec. | Moderate or heavy rain shower | 26° /18° | 9.7 mm | 7 | |
| 25 Dec. | Overcast | 22° /16° | 4.3 mm | 6 | |
| 26 Dec. | Partly cloudy | 23° /15° | 0.4 mm | 7 | |
| 27 Dec. | Sunny | 28° /15° | 0 mm | 8 | |
| 28 Dec. | Patchy rain possible | 28° /17° | 0.1 mm | 7 | |
| 29 Dec. | Cloudy | 25° /16° | 0 mm | 7 | |
| 30 Dec. | Sunny | 29° /15° | 0 mm | 8 | |
| 31 Dec. | Sunny | 31° /17° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Montevideo 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 Montevideo forecast closer to your planned date for the most up-to-date weather information.
Montevideo in December - FAQ
What are the expected maximum and minimum temperatures in Montevideo during December?
During December, expect a variety of temperatures with highs around 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Montevideo during December?
Significant rainfall exceeding 136.8 mm is expected in Montevideo during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Montevideo during December?
The average wind speed in Montevideo during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Montevideo
Explore the daily rainfall trends and prepare for Montevideos December weather 💧
UV exposure in Montevideo during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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