Monthly climate guide
Alcalá de Henares weather in August
Expect very hot weather in Alcalá de Henares in August: afternoons reach about 33°C (91°F), while nights drop to around 17°C (62°F). Around 15 mm of rain falls over the month (very dry), and skies are mostly sunny. Daytime highs are about the same as July and 5°C warmer than September.
What stands out in August
- Alcalá de Henares is usually about 3°C warmer than Miraflores de la Sierra, 50 km away, in August.
- Temperatures are falling — expect highs around 5°C lower by September.
- August is Alcalá de Henares's second warmest month.
- Expect a big gap between day and night — about 16°C.
Avg high
33°C
91°F
Avg low
17°C
62°F
Rainfall
15 mm
very dry
Humidity
38%
relative
Sky
27%
cloud · mostly sunny
Alcalá de Henares weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 10°C / 50°F | 0°C / 31°F | 31 mm | 82% | 54% |
| February | 11°C / 53°F | 0°C / 32°F | 28 mm | 76% | 52% |
| March | 15°C / 59°F | 2°C / 36°F | 53 mm | 71% | 56% |
| April | 18°C / 64°F | 5°C / 41°F | 60 mm | 68% | 61% |
| May | 23°C / 74°F | 9°C / 47°F | 37 mm | 59% | 53% |
| June | 29°C / 84°F | 13°C / 56°F | 21 mm | 48% | 38% |
| July | 33°C / 92°F | 17°C / 62°F | 11 mm | 38% | 23% |
| August | 33°C / 91°F | 17°C / 62°F | 15 mm | 38% | 27% |
| September | 28°C / 82°F | 13°C / 56°F | 25 mm | 50% | 39% |
| October | 21°C / 71°F | 9°C / 48°F | 42 mm | 64% | 47% |
| November | 14°C / 57°F | 4°C / 39°F | 52 mm | 79% | 60% |
| December | 11°C / 52°F | 1°C / 33°F | 24 mm | 82% | 53% |
What to pack for August
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is August a good time to visit Alcalá de Henares?
Compare the months in the chart above to find your ideal window.
Best time to visit Alcalá de Henares →Other Spain cities in August
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Alcalá de Henares weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/spain/alcala-de-henares/august
<a href="https://weathercompare.eu/weather/spain/alcala-de-henares/august">Alcalá de Henares weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/spain/alcala-de-henares" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Alcalá de Henares weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/spain/alcala-de-henares/august">Alcalá de Henares weather in August</a> – WeatherCompare</p>
Alcalá de Henares in August: quick answers
Is August a good time to visit Alcalá de Henares?
It can be, if you like heat: August highs in Alcalá de Henares are around 33°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Alcalá de Henares in August?
Average highs are about 33°C (91°F) and average lows about 17°C (62°F), based on 10 years of daily data.
Does it rain a lot in Alcalá de Henares in August?
Alcalá de Henares typically gets around 15 mm of rain in August — very dry.
Figures are long-term averages for the area around Alcalá de Henares (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.