Guadarrama Weather in December
What's the weather like in Guadarrama (Madrid) in December 2025?
The climate in Guadarrama during December can be summarized as cool and a little damp.
December is in the winter in Guadarrama and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 5.5°C 41.9°F |
|---|---|
| Nightly temperature | -0.7°C 30.7°F |
| Average temperature | 2.4°C 36.3°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 97 mm 3.8 ins |
| Rainy days | 14 days |
| Sea temperature | 15.3°C 59.5°F |
| Humidity | 79% |
| Windspeed | 13.7kph 9 mph |
On average December is the 2nd wettest month of the year in Guadarrama with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
December temperatures in Guadarrama
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Guadarrama in December 2025.
Other monthly averages
Best places to visit in December
Guadarrama weather stats
| Hottest month: | July | 25.2°C 77.4°F |
|---|---|---|
| Driest month: | August | 19mm 0.7ins |
| Sunniest month: | July | 12.3hrs |
| Coldest month: | January | 5°C 41°F |
| Wettest month: | November | 121mm 4.8ins |
© Google
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