Climate averages 1991–2020
Alcalá de Henares weather
in October.
A mild, moderately wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Alcalá de Henares: daytime highs average 20.0°C and nights cool to about 9.8°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 64 mm of rain on roughly 8 days, which makes October a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 10 min on an average October day.
The nearest other city in this atlas is Torrejón de Ardoz (10 km away). In October its highs average 20.0°C, about as warm as Alcalá de Henares, with 62 mm of rain.
Among the 93 cities listed in Spain, Alcalá de Henares ranks joint 58th of 93 for the warmest October highs and joint 52nd of 93 for the driest October (rainfall, lowest first). The mean October high of those 93 cities is 21.1°C; Alcalá de Henares is 1.0°C cooler than that mean.
From October to November, average highs fall by 6.4°C to 13.6°C, and monthly rainfall falls from 64 mm to 58 mm.
The annual picture
October 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, selected | 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
October in nearby cities
- Torrejón de Ardoz in OctoberSpain · 10 kmHigh 20.0°C · Low 10.0°C · 62 mm rain
- Coslada in OctoberSpain · 18 kmHigh 19.9°C · Low 10.1°C · 62 mm rain
- Guadalajara, Spain in OctoberSpain · 23 kmHigh 19.5°C · Low 9.2°C · 60 mm rain
- San Sebastián de los Reyes in OctoberSpain · 24 kmHigh 19.4°C · Low 9.2°C · 58 mm rain
- Alcobendas in OctoberSpain · 25 kmHigh 19.3°C · Low 9.2°C · 58 mm rain
- Chamartín in OctoberSpain · 27 kmHigh 19.1°C · Low 9.1°C · 58 mm rain
- Madrid in OctoberSpain · 30 kmHigh 19.7°C · Low 9.8°C · 58 mm rain
- Getafe in OctoberSpain · 37 kmHigh 20.1°C · Low 10.0°C · 57 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.