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Alcorcón, Madrid Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Alcorcón, Madrid?
Alcorcón, Madrid gets 412 mm of precipitation a year over about 78 rainy days. July is the warmest month (average high 33°C) and January the coldest (average low 2°C).
Semi-arid climate
Alcorcón, Madrid has hot summers and chilly winters. Daytime highs range from about 11°C in January to 33°C in July. October is usually the wettest month. The most comfortable time to visit is typically April to May, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 3° | 12° |
| Spring | Mar–May | 8° | 20° |
| Summer | Jun–Aug | 18° | 32° |
| Autumn | Sep–Nov | 10° | 21° |
How much rain does Alcorcón get?
Alcorcón gets 412 mm of precipitation in an average year, spread over about 78 days with measurable rain. That is fewer rainy days than 52% of Spain.
October is the wettest month, with 62 mm. July is the driest, with 8 mm. October has the most rainy days, about 9.
The longest dry spell in the last five years lasted 65 days, to August 25, 2023.
From October 2025 to September 2026 Alcorcón got 410 mm of rain, against a normal of 412 mm for those months. February 2026 had the most, with 97 mm.
Alcorcón weather by month
Alcorcón weather in January
In January, Alcorcón averages a high of 11°C and a low of 2°C. It gets 33 mm of precipitation over about 8 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The January record high is 21°C (2024) and the record low is -13°C (2021).
Alcorcón weather in February
In February, Alcorcón averages a high of 13°C and a low of 3°C. It gets 36 mm of precipitation over about 7 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The February record high is 22°C (1998) and the record low is -7°C (1983).
Alcorcón weather in March
In March, Alcorcón averages a high of 17°C and a low of 5°C. It gets 35 mm of precipitation over about 7 rainy days. Estimated sunshine is 41% of daylight hours, derived from ERA5 cloud cover. The March record high is 27°C (2015) and the record low is -6°C (1993).
Alcorcón weather in April
In April, Alcorcón averages a high of 19°C and a low of 7°C. It gets 44 mm of precipitation over about 9 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The April record high is 32°C (2023) and the record low is -4°C (1986). April is one of the most comfortable months to visit.
Alcorcón weather in May
In May, Alcorcón averages a high of 24°C and a low of 11°C. It gets 44 mm of precipitation over about 9 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The May record high is 36°C (2015) and the record low is -1°C (1991). May is one of the most comfortable months to visit.
Alcorcón weather in June
In June, Alcorcón averages a high of 29°C and a low of 16°C. It gets 19 mm of precipitation over about 4 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The June record high is 41°C (2026) and the record low is 3°C (1984).
Alcorcón weather in July
In July, Alcorcón averages a high of 33°C and a low of 19°C. It gets 8 mm of precipitation over about 2 rainy days. Estimated sunshine is 86% of daylight hours, derived from ERA5 cloud cover. The July record high is 42°C (2022) and the record low is 6°C (1993).
Alcorcón weather in August
In August, Alcorcón averages a high of 33°C and a low of 18°C. It gets 11 mm of precipitation over about 2 rainy days. Estimated sunshine is 80% of daylight hours, derived from ERA5 cloud cover. The August record high is 42°C (2021) and the record low is 8°C (1977).
Alcorcón weather in September
In September, Alcorcón averages a high of 27°C and a low of 14°C. It gets 26 mm of precipitation over about 5 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (2016) and the record low is 4°C (1979).
Alcorcón weather in October
In October, Alcorcón averages a high of 21°C and a low of 11°C. It gets 62 mm of precipitation over about 9 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The October record high is 32°C (2023) and the record low is -2°C (1974).
Alcorcón weather in November
In November, Alcorcón averages a high of 14°C and a low of 6°C. It gets 52 mm of precipitation over about 9 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The November record high is 24°C (1970) and the record low is -4°C (1985).
Alcorcón weather in December
In December, Alcorcón averages a high of 11°C and a low of 3°C. It gets 42 mm of precipitation over about 8 rainy days. Estimated sunshine is 46% of daylight hours, derived from ERA5 cloud cover. The December record high is 19°C (1983) and the record low is -8°C (2009).
Sunshine, humidity and wind in Alcorcón
July is the sunniest month in Alcorcón, with estimated sunshine of 86% of daylight hours from ERA5 cloud cover. March is the cloudiest, at 41%. The annual cloud-cover estimate is 55% of daylight hours; it is not a measurement of sunshine duration. Alcorcón is sunnier than 74% of Spain.
Humidity peaks in December at 78% and is lowest in July at 29%.
Alcorcón has about 51 days a year above 32°C. Alcorcón is hotter than 88% of Spain.
First and last freeze in Alcorcón
The first fall freeze in Alcorcón typically comes around November 25, and the last spring freeze around March 16. That leaves a frost-free growing season of about 254 days.
Alcorcón weather records
These records cover MADRID/CUATROVIENTOS during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Alcorcón station is 42°C, on August 14, 2021. The coldest is -13°C, on January 12, 2021.
The wettest day in the available station history brought 91 mm of precipitation, on October 19, 2023.
44 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.5°C per decade since 1970.
The best time to visit Alcorcón
The most comfortable time to visit is typically April to May, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 12°C and lows near 3°C.
Spring (March–May) is mild, with average highs around 20°C and lows near 8°C.
Summer (June–August) is hot, with average highs around 32°C and lows near 18°C.
Autumn (September–November) is warm, with average highs around 21°C and lows near 10°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 2° | 11° | 33 mm | 8 | 73% | 50% | 21° | -13° |
| February | 3° | 13° | 36 mm | 7 | 64% | 52% | 22° | -7° |
| March | 5° | 17° | 35 mm | 7 | 60% | 41% | 27° | -6° |
| April | 7° | 19° | 44 mm | 9 | 52% | 46% | 32° | -4° |
| May | 11° | 24° | 44 mm | 9 | 44% | 52% | 36° | -1° |
| June | 16° | 29° | 19 mm | 4 | 40% | 61% | 41° | 3° |
| July | 19° | 33° | 8.4 mm | 2 | 29% | 86% | 42° | 6° |
| August | 18° | 33° | 11 mm | 2 | 32% | 80% | 42° | 8° |
| September | 14° | 27° | 26 mm | 5 | 49% | 60% | 39° | 4° |
| October | 11° | 21° | 62 mm | 9 | 60% | 46% | 32° | -2° |
| November | 6° | 14° | 52 mm | 9 | 75% | 44% | 24° | -4° |
| December | 3° | 11° | 42 mm | 8 | 78% | 46% | 19° | -8° |
Station: MADRID/CUATROVIENTOS, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Alcorcón climate questions
How much rain does Alcorcón get?
Alcorcón gets 412 mm of precipitation in an average year, over about 78 rainy days.
What is the wettest month in Alcorcón?
October is the wettest month in Alcorcón, with 62 mm. July is the driest, with 8 mm.
How many rainy days does Alcorcón have a year?
Alcorcón has about 78 days with measurable rain in an average year. October has the most, about 9.
What is the hottest month in Alcorcón?
July is the warmest month in Alcorcón, with an average high of 33°C.
What is the coldest month in Alcorcón?
January is the coldest month in Alcorcón, with an average low of 2°C.
What is the record high temperature in Alcorcón?
Within the available 1970–2026 station history, the record high at the Alcorcón station is 42°C, set on August 14, 2021. The record low is -13°C, on January 12, 2021.
What is the sunniest month in Alcorcón?
July is the sunniest month in Alcorcón, with estimated sunshine of 86% of daylight hours from ERA5 cloud cover. March is the cloudiest.
When is the first frost in Alcorcón?
The first fall freeze in Alcorcón typically comes around November 25. The last spring freeze is around March 16.
What is the best time to visit Alcorcón?
The most comfortable time to visit is typically April to May, when daytime highs sit near 21°C.