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Alcalá de Henares has a continental Mediterranean climate with hot, dry summers and cold winters. The city sits about 31 km northeast of Madrid in the Henares River valley at roughly 590 metres above sea level, so it runs a degree or two cooler than the capital in winter and heats up just as much in July and August. This Alcalá de Henares weather by month guide sets out the temperatures, rainfall and sunshine for every month so you can pick the conditions that suit you.
Alcalá de Henares Weather by Month: At a Glance
The city averages 14°C (57°F) across the year and receives around 420 mm of rain, most of it falling in spring and autumn. The hot season runs from mid-June to mid-September, when daytime highs stay above 29°C (84°F). The cool season runs from mid-November to early March, when highs sit below 15°C (59°F). Our neighborhoods of Alcalá de Henares guide has the full breakdown. See our Alcalá de Henares guide for the full picture.
| Month | Average | High | Low | Rain | Rain days |
|---|---|---|---|---|---|
| January | 5°C (41°F) | 11°C (52°F) | 1°C (34°F) | 34 mm | 5 |
| February | 6°C (43°F) | 13°C (55°F) | 1°C (34°F) | 32 mm | 4 |
| March | 10°C (50°F) | 16°C (61°F) | 4°C (39°F) | 25 mm | 4 |
| April | 12°C (54°F) | 18°C (64°F) | 6°C (43°F) | 45 mm | 6 |
| May | 16°C (61°F) | 22°C (72°F) | 9°C (48°F) | 50 mm | 6 |
| June | 22°C (72°F) | 29°C (84°F) | 14°C (57°F) | 22 mm | 4 |
| July | 25°C (77°F) | 33°C (91°F) | 17°C (63°F) | 11 mm | 2 |
| August | 25°C (77°F) | 32°C (90°F) | 16°C (61°F) | 10 mm | 2 |
| September | 20°C (68°F) | 27°C (81°F) | 13°C (55°F) | 26 mm | 3 |
| October | 14°C (57°F) | 20°C (68°F) | 9°C (48°F) | 58 mm | 6 |
| November | 9°C (48°F) | 14°C (57°F) | 4°C (39°F) | 54 mm | 6 |
| December | 6°C (43°F) | 11°C (52°F) | 2°C (36°F) | 52 mm | 5 |
Alcalá de Henares Weather by Month: Winter (December to February)
Winters are cold and dry. January is the coldest month, averaging 5°C (41°F) with overnight lows around 1°C (34°F), and frost is common on clear nights. Snow is rare in the city centre but does fall a few days some years. December and January each bring about 5 rain days and 9 to 10 hours of daylight, so bring a warm coat and plan indoor stops like the Cervantes Birthplace Museum. Check our where to stay in Alcalá de Henares for more.
Alcalá de Henares Weather by Month: Spring (March to May)
Spring is the wettest stretch of the year. April and May each average 6 rain days and 45 to 50 mm of rain, but temperatures climb quickly from 10°C (50°F) in March to 16°C (61°F) in May, when afternoons reach 22°C (72°F). This is one of the best windows for sightseeing, and it lines up well with the events and festivals in Alcalá de Henares such as Semana Santa. Read our Alcalá de Henares travel tips guide before you book.
Alcalá de Henares Weather by Month: Summer (June to August)
Summers are hot and bone-dry. July is the warmest month, averaging 25°C (77°F) with highs of 33°C (91°F), and heatwaves can push past 40°C (104°F) in July and August. Rainfall drops to just 10 to 11 mm a month with only 2 rain days, so you can plan outdoor things to do in Alcalá de Henares with little risk of rain, but expect strong afternoon sun and empty streets between 2 pm and 5 pm.
Alcalá de Henares Weather by Month: Autumn (September to November)
Autumn cools off gradually. September still averages 20°C (68°F) with warm days, then October becomes the wettest month of the year at about 58 mm across 6 rain days. By November the average drops to 9°C (48°F). If you want mild weather and fewer crowds, read our best time to visit Alcalá de Henares guide before you book.
