Climate averages 1991–2020
Alcalá de Henares weather
in August.
A hot, very dry month: the 2nd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Alcalá de Henares: daytime highs average 32.0°C and nights cool to about 18.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 12 mm of rain on roughly 3 days, which makes August a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 47 min on an average August day.
The nearest other city in this atlas is Torrejón de Ardoz (10 km away). In August its highs average 32.0°C, about as warm as Alcalá de Henares, with 9.6 mm of rain.
Among the 93 cities listed in Spain, Alcalá de Henares ranks joint 21st of 93 for the warmest August highs and joint 48th of 93 for the driest August (rainfall, lowest first). The mean August high of those 93 cities is 29.3°C; Alcalá de Henares is 2.7°C warmer than that mean.
From August to September, average highs fall by 5.4°C to 26.6°C, and monthly rainfall rises from 12 mm to 28 mm.
The annual picture
August 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, selected | 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 | 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
August in nearby cities
- Torrejón de Ardoz in AugustSpain · 10 kmHigh 32.0°C · Low 18.4°C · 9.6 mm rain
- Coslada in AugustSpain · 18 kmHigh 32.1°C · Low 18.8°C · 9.6 mm rain
- Guadalajara, Spain in AugustSpain · 23 kmHigh 31.5°C · Low 17.4°C · 9.3 mm rain
- San Sebastián de los Reyes in AugustSpain · 24 kmHigh 31.1°C · Low 17.4°C · 8.1 mm rain
- Alcobendas in AugustSpain · 25 kmHigh 31.2°C · Low 17.6°C · 8.1 mm rain
- Chamartín in AugustSpain · 27 kmHigh 30.9°C · Low 17.4°C · 8.1 mm rain
- Madrid in AugustSpain · 30 kmHigh 31.7°C · Low 18.3°C · 8.1 mm rain
- Getafe in AugustSpain · 37 kmHigh 32.2°C · Low 18.9°C · 10 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.