Alcorcón, Spain experiences average highs of 21°C (70°F) and lows of 9°C (48°F) throughout the year. The climate is relatively dry, with only 6 rainy days per month on average. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Alcorcón, Spain Weather & Climate 2026
Monthly climate averages for Alcorcón, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Sep 
Wetter season: Mar–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.1/10
Best: May, June, July, August, September
UV Index
5
Low
Temperature 21°C / 9°C
Feels Like 18°C / 7°C
Rainy Days 6
Rainfall 37 mm
Sunshine 10 h
Humidity 58%
Wind Speed 15 km/h
Dew Point 6°C
Frost Days 6 days
Hottest Month
33°C
July
Avg Low19°C
Rain1days
Coldest Month
1°C
January
Avg High10°C
Rain6days
Driest Month
1days
July
Avg High33°C
Avg Low19°C
Windiest Month
17 km/h
March (Gusts 38)
Worst Time to Visit
Consider avoiding January, February, November, December due to less favorable weather conditions.
Sun Position
Sunrise 06:46
Daylight 15h
Sunset 21:48
Live conditions—
Alcorcón on the map · live conditions
Alcorcón, Spain
- Continent
- Europe
- Country
- Spain
- City
- Alcorcón
- Population
- 172.4K
- Coordinates
- 40.35°, -3.82°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 7°C
Rain 8 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 32°C
Avg Low 18°C
Rain 2 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 21°C
Avg Low 10°C
Rain 7 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 11°C
Avg Low 2°C
Rain 6 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 10°C / 1°C . Feb: 13°C / 2°C . Mar: 15°C / 4°C . Apr: 18°C / 7°C . May: 23°C / 11°C . Jun: 29°C / 16°C . Jul: 33°C / 19°C . Aug: 33°C / 19°C . Sep: 27°C / 15°C . Oct: 21°C / 10°C . Nov: 14°C / 5°C . Dec: 11°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 36 mm. Feb: 26 mm. Mar: 69 mm. Apr: 54 mm. May: 33 mm. Jun: 19 mm. Jul: 7 mm. Aug: 12 mm. Sep: 35 mm. Oct: 66 mm. Nov: 47 mm. Dec: 44 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 70%. Mar: 65%. Apr: 60%. May: 51%. Jun: 41%. Jul: 31%. Aug: 33%. Sep: 48%. Oct: 61%. Nov: 76%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 14 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 15 km/h . Jun: 16 km/h . Jul: 16 km/h . Aug: 15 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 14 km/h . Dec: 13 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 9h. Apr: 11h. May: 13h. Jun: 13h. Jul: 13h. Aug: 13h. Sep: 11h. Oct: 9h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 4. Mar: UV 4. Apr: UV 7. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 34°C | Jul · 33°C |
| Coldest month | Jan 2025 · 2°C | Jan · 1°C |
| Wettest month | Mar 2025 · 192 mm | Mar · 69 mm |
| Windiest month | Mar 2025 · 17 km/h | Mar · 17 km/h |
Month-by-Month Weather Table
January
Poor 
February
Fair March
Fair April
Fair May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 10°C / 1°C | 7°C / -3°C | 6days (36 mm) Good | 6.9h Fair | 78% Humid | 2.4 Moderate | Poor | View Details |
| February | 13°C / 2°C | 10°C / -1°C | 5days (26 mm) Good | 8.2h Good | 70% Muggy | 3.7 Moderate | Fair | View Details |
| March | 15°C / 4°C | 12°C / 1°C | 10days (69 mm) Wet | 9.1h Good | 65% Muggy | 4.3 Moderate | Fair | View Details |
| April | 18°C / 7°C | 16°C / 4°C | 8days (54 mm) Wet | 10.8h Excellent | 60% Moderate | 6.6 High | Fair | View Details |
| May best | 23°C / 11°C | 22°C / 8°C | 6days (33 mm) Good | 12.6h Excellent | 51% Moderate | 7.3 Very High | Excellent | View Details |
| June best | 29°C / 16°C | 28°C / 15°C | 4days (19 mm) Good | 13.2h Excellent | 41% Moderate | 7.7 Very High | Excellent | View Details |
| July best | 33°C / 19°C | 32°C / 18°C | 1days (7 mm) Excellent | 13.4h Excellent | 31% Comfortable | 8 Very High | Excellent | View Details |
| August best | 33°C / 19°C | 32°C / 18°C | 2days (12 mm) Excellent | 12.5h Excellent | 33% Comfortable | 7.4 Very High | Excellent | View Details |
| September best | 27°C / 15°C | 25°C / 13°C | 4days (35 mm) Good | 10.9h Excellent | 48% Moderate | 6 High | Excellent | View Details |
| October | 21°C / 10°C | 19°C / 9°C | 8days (66 mm) Wet | 8.7h Good | 61% Muggy | 4.2 Moderate | Good | View Details |
| November | 14°C / 5°C | 11°C / 2°C | 8days (47 mm) Wet | 6.9h Fair | 76% Humid | 2.9 Moderate | Fair | View Details |
| December | 11°C / 2°C | 8°C / -1°C | 7days (44 mm) Good | 6.2h Fair | 81% Humid | 2.3 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Alcorcón are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Alcorcón, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Alcorcón is July, with average daytime highs of 33°C (92°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Alcorcón is January, with average overnight lows of 1°C (33°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Alcorcón is March, averaging 69mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
Alcorcón receives approximately 119 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Alcorcón.
The least favorable months to visit Alcorcón are January, February, November, December, primarily due to less favorable weather conditions. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Alcorcón is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Alcorcón is 58%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Alcorcón rarely sees significant snowfall but does experience frost, averaging 6 frost days during the colder months.
Average wind speeds in Alcorcón are 15 km/h (9 mph). The windiest month is March with peak winds reaching 17 km/h (11 mph) (gusts up to 38 km/h / 23 mph).
Alcorcón averages 9 clear-sky days per month with overall cloud cover around 44%. The clearest skies occur in July.
The annual average dew point in Alcorcón is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Alcorcón has a Hot-Summer Mediterranean climate, classified as Csa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Alcorcón ranges from 7°C (45°F) to 18°C (64°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Alcorcón. It earns a climate score of 9.6/10 with Excellent.
For June in Alcorcón, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 29°C (84°F) and 4 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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