Climate averages 1991–2020
Alcalá de Henares weather
in December.
A cool, moderately wet month: the 11th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Alcalá de Henares: daytime highs average 10.2°C and nights cool to about 2.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 47 mm of rain on roughly 8 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 21 min on an average December day.
The nearest other city in this atlas is Torrejón de Ardoz (10 km away). In December its highs average 10.2°C, about as warm as Alcalá de Henares, with 45 mm of rain.
Among the 93 cities listed in Spain, Alcalá de Henares ranks joint 71st of 93 for the warmest December highs and joint 49th of 93 for the driest December (rainfall, lowest first). The mean December high of those 93 cities is 13.1°C; Alcalá de Henares is 2.9°C cooler than that mean.
From December to January, average highs fall by 0.6°C to 9.7°C, and monthly rainfall falls from 47 mm to 42 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Alcalá de Henares climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.7°C1.1°C | 1.1°C | 42 | 7.7 | 9.610 h |
| February | 11.7°C1.6°C | 1.6°C | 35 | 6.3 | 10.611 h |
| March | 15.5°C4.0°C | 4.0°C | 44 | 7.7 | 11.912 h |
| April | 17.9°C6.4°C | 6.4°C | 56 | 8.7 | 13.313 h |
| May | 22.4°C10.3°C | 10.3°C | 50 | 8.5 | 14.414 h |
| June | 28.2°C15.1°C | 15.1°C | 23 | 4.0 | 15.015 h |
| July | 32.3°C18.4°C | 18.4°C | 7.6 | 1.7 | 14.815 h |
| August | 32.0°C18.3°C | 18.3°C | 12 | 2.7 | 13.814 h |
| September | 26.6°C14.4°C | 14.4°C | 28 | 4.5 | 12.513 h |
| October | 20.0°C9.8°C | 9.8°C | 64 | 8.3 | 11.211 h |
| November | 13.6°C5.0°C | 5.0°C | 58 | 8.1 | 10.010 h |
| December, selected | 10.2°C2.0°C | 2.0°C | 47 | 7.7 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Torrejón de Ardoz in DecemberSpain · 10 kmHigh 10.2°C · Low 2.2°C · 45 mm rain
- Coslada in DecemberSpain · 18 kmHigh 10.1°C · Low 2.1°C · 45 mm rain
- Guadalajara, Spain in DecemberSpain · 23 kmHigh 9.8°C · Low 1.5°C · 44 mm rain
- San Sebastián de los Reyes in DecemberSpain · 24 kmHigh 9.9°C · Low 1.7°C · 43 mm rain
- Alcobendas in DecemberSpain · 25 kmHigh 9.7°C · Low 1.6°C · 43 mm rain
- Chamartín in DecemberSpain · 27 kmHigh 9.6°C · Low 1.5°C · 43 mm rain
- Madrid in DecemberSpain · 30 kmHigh 9.9°C · Low 2.0°C · 43 mm rain
- Getafe in DecemberSpain · 37 kmHigh 10.2°C · Low 1.9°C · 45 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Alcalá de Henares) is explained once on the Alcalá de Henares year overview and on the Sources, method and limits page.