Departamento de Guaymallén (Mendoza)
December
Weather in Departamento de Guaymallén for December 2025
Your guide to Departamento de Guaymallén weather in December - trends and predictions
Until now, December 2025 in Departamento de Guaymallén is slightly cooler than the historical average by -0.9 °C.
The forecast for the upcoming days in Departamento de Guaymallén predicts a temperature of 31.6 °C, which is slightly above the historical average.
In general, the average temperature in Departamento de Guaymallén at the beginning of December is 26.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 32 °C by the end of December.
Departamento de Guaymallén experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 79.7 mm.
Temperatures
Rain 🌧️
22
Dry days
9
Rainy days
0
Snow days
31°/16°
Temperatures
24 km/h
Avg max wind
37 %
Avg humidity
Departamento de Guaymallén Weather December
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Temperatures trend during December in Departamento de Guaymallén
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December weather in Departamento de Guaymallén day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 26° /16° | 2.4 mm | 9 | |
| 2 Dec. | Patchy rain possible | 25° /15° | 0.8 mm | 9 | |
| 3 Dec. |  Sunny | 27° /16° | 0.6 mm | 10 | |
| 4 Dec. | Sunny | 29° /16° | 1 mm | 10 | |
| 5 Dec. | Patchy rain possible | 29° /17° | 1.7 mm | 9 | |
| 6 Dec. | Patchy rain possible | 27° /15° | 5.1 mm | 9 | |
| 7 Dec. | Sunny | 23° /13° | 17.2 mm | 9 | |
| 8 Dec. | Sunny | 28° /15° | 1.2 mm | 10 | |
| 9 Dec. | Patchy rain possible | 28° /17° | 0.3 mm | 9 | |
| 10 Dec. | Patchy rain possible | 31° /20° | 0.1 mm | 10 | |
| 11 Dec. | Sunny | 30° /19° | 1.3 mm | 10 | |
| 12 Dec. | Patchy rain possible | 29° /19° | 1.2 mm | 10 | |
| 13 Dec. |  Partly cloudy | 29° /18° | 0.5 mm | 10 | |
| 14 Dec. | Patchy rain possible | 30° /17° | 1.9 mm | 10 | |
| 15 Dec. | Patchy rain possible | 30° /18° | 2 mm | 10 | |
| 16 Dec. | Sunny | 28° /17° | 0 mm | 3.7 | |
| 17 Dec. | Sunny | 32° /19° | 0 mm | 3.8 | |
| 18 Dec. | Patchy rain possible | 31° /22° | 0.2 mm | 3.8 | |
| 19 Dec. | Patchy rain possible | 34° /22° | 0.6 mm | 4 | |
| 20 Dec. | Patchy rain possible | 30° /21° | 0.2 mm | 0.4 | |
| 21 Dec. | Patchy rain possible | 30° /21° | 1 mm | 9 | |
| 22 Dec. | Patchy rain possible | 29° /19° | 0.8 mm | 8 | |
| 23 Dec. | Patchy rain possible | 30° /19° | 0.3 mm | 8 | |
| 24 Dec. | Sunny | 35° /22° | 0 mm | 10 | |
| 25 Dec. | Patchy rain possible | 34° /24° | 0.1 mm | 9 | |
| 26 Dec. | Patchy rain possible | 33° /24° | 0.1 mm | 9 | |
| 27 Dec. | Sunny | 33° /24° | 0 mm | 10 | |
| 28 Dec. | Patchy rain possible | 32° /20° | 2.2 mm | 8 | |
| 29 Dec. | Patchy rain possible | 32° /20° | 0.1 mm | 9 | |
| 30 Dec. | Patchy rain possible | 31° /19° | 0.7 mm | 10 | |
| 31 Dec. |  Moderate rain at times | 29° /19° | 2.7 mm | 9 | |
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Important Notice
Our weather forecast for Departamento de Guaymallén 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 Departamento de Guaymallén forecast closer to your planned date for the most up-to-date weather information.
Change Month
Departamento de Guaymallén in December - FAQ
What are the expected maximum and minimum temperatures in Departamento de Guaymallén during December?
Expect warm days with temperatures around 31°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Departamento de Guaymallén during December?
Moderate rainfall is anticipated in Departamento de Guaymallén during December, with a total of 79.7 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Departamento de Guaymallén during December?
The average wind speed in Departamento de Guaymallén during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Departamento de Guaymallén
Explore the daily rainfall trends and prepare for Departamento de Guaymalléns December weather 💧
Typically, Departamento de Guaymallén has 9 rainy days in December with a total of 79.7 mm of rainfall.
UV exposure in Departamento de Guaymallén during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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