Deià, Spain experiences average highs of 21°C (70°F) and lows of 16°C (61°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 warmed by 0.7°C (1.3°F) across the available records.
Deià, Spain Weather & Climate 2026
Monthly climate averages for Deià, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
8/10
Best: May, June, September, October
UV Index
5
Low
Temperature 21°C / 16°C
Feels Like 21°C / 15°C
Rainy Days 6
Rainfall 40 mm
Sunshine 10 h
Humidity 73%
Wind Speed 17 km/h
Dew Point 13°C
Hottest Month
30°C
July
Avg Low23°C
Rain2days
Coldest Month
9°C
February
Avg High14°C
Rain6days
Driest Month
2days
July
Avg High30°C
Avg Low23°C
Windiest Month
20 km/h
March (Gusts 47)
Sea Temperature
15°C – 28°C
Warmest water: August (
27.9°C
)
Worst Time to Visit
Consider avoiding January, February due to less favorable weather conditions.
Sun Position
Sunrise 06:22
Daylight 15h
Sunset 21:20
Live conditions—
Deià on the map · live conditions
Deià, Spain
- Continent
- Europe
- Country
- Spain
- City
- Deià
- Population
- 656
- Coordinates
- 39.75°, 2.65°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 13°C
Rain 7 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 22°C
Rain 3 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 22°C
Avg Low 17°C
Rain 8 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 14°C
Avg Low 10°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: 13°C / 10°C . Feb: 14°C / 9°C . Mar: 15°C / 11°C . Apr: 18°C / 12°C . May: 21°C / 16°C . Jun: 26°C / 20°C . Jul: 30°C / 23°C . Aug: 29°C / 23°C . Sep: 26°C / 21°C . Oct: 22°C / 18°C . Nov: 17°C / 14°C . Dec: 15°C / 11°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 45 mm. Feb: 38 mm. Mar: 41 mm. Apr: 46 mm. May: 33 mm. Jun: 20 mm. Jul: 6 mm. Aug: 25 mm. Sep: 66 mm. Oct: 57 mm. Nov: 64 mm. Dec: 40 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 78%. Mar: 74%. Apr: 73%. May: 72%. Jun: 69%. Jul: 66%. Aug: 68%. Sep: 73%. Oct: 76%. Nov: 75%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 17 km/h . Mar: 20 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 14 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 19 km/h . Dec: 18 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 11h. May: 13h. Jun: 13h. Jul: 14h. Aug: 12h. Sep: 11h. Oct: 9h. Nov: 8h. Dec: 8h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 15°C . Mar: 15°C . Apr: 17°C . May: 20°C . Jun: 24°C . Jul: 27°C . Aug: 28°C . Sep: 26°C . Oct: 24°C . Nov: 20°C . Dec: 17°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 3.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) 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 · 30°C | Jul · 30°C |
| Coldest month | Feb 2025 · 10°C | Feb · 9°C |
| Wettest month | Dec 2025 · 70 mm | Sep · 66 mm |
| Windiest month | Jan 2025 · 22 km/h | Mar · 20 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April
Good May best
Excellent June best
Excellent July
Good August
Good September best
Excellent October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 13°C / 10°C | 11°C / 7°C | 6days (45 mm) Good | 7.7h Good | 76% Humid | 2.7 Moderate | Fair | View Details |
| February | 14°C / 9°C | 12°C / 7°C | 6days (38 mm) Good | 8.9h Good | 78% Humid | 3.6 Moderate | Good | View Details |
| March | 15°C / 11°C | 14°C / 8°C | 8days (41 mm) Wet | 10.1h Excellent | 74% Muggy | 5 Moderate | Good | View Details |
| April | 18°C / 12°C | 17°C / 11°C | 7days (46 mm) Good | 11.3h Excellent | 73% Muggy | 6.4 High | Good | View Details |
| May best | 21°C / 16°C | 22°C / 15°C | 7days (33 mm) Good | 12.6h Excellent | 72% Muggy | 7.2 Very High | Excellent | View Details |
| June best | 26°C / 20°C | 29°C / 22°C | 3days (20 mm) Excellent | 13.4h Excellent | 69% Muggy | 7.7 Very High | Excellent | View Details |
| July | 30°C / 23°C | 33°C / 26°C | 2days (6 mm) Excellent | 13.5h Excellent | 66% Muggy | 7.8 Very High | Good | View Details |
| August | 29°C / 23°C | 33°C / 26°C | 3days (25 mm) Excellent | 12.1h Excellent | 68% Muggy | 7.2 Very High | Good | View Details |
| September best | 26°C / 21°C | 28°C / 23°C | 8days (66 mm) Wet | 10.6h Excellent | 73% Muggy | 5.9 High | Excellent | View Details |
| October best | 22°C / 18°C | 23°C / 18°C | 8days (57 mm) Wet | 9.3h Good | 76% Humid | 4.4 Moderate | Excellent | View Details |
| November | 17°C / 14°C | 16°C / 12°C | 9days (64 mm) Wet | 7.8h Good | 75% Muggy | 3.1 Moderate | Good | View Details |
| December | 15°C / 11°C | 13°C / 9°C | 7days (40 mm) Good | 7.6h Good | 79% Humid | 2.5 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Deià are May, June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Deià, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Deià is July, with average daytime highs of 30°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Deià is February, with average overnight lows of 9°C (49°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Deià is September, averaging 66mm of precipitation across 8 rainy days. An umbrella or waterproof jacket is essential.
Deià receives approximately 125 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Deià.
The least favorable months to visit Deià are January, February, primarily due to less favorable weather conditions. For the best conditions, consider May, June, September, October instead.
The annual average UV index in Deià is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Deià is 73%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in June, July, August, September, October average 26°C (79°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Deià are 17 km/h (11 mph). The windiest month is March with peak winds reaching 20 km/h (13 mph) (gusts up to 47 km/h / 29 mph).
Deià averages 8 clear-sky days per month with overall cloud cover around 44%. The clearest skies occur in July.
The annual average dew point in Deià is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Deià has a Hot Semi-Arid climate, classified as BSh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Deià ranges from 15°C (59°F) to 21°C (70°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 Deià. It earns a climate score of 10/10 with Excellent.
For June in Deià, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 26°C (80°F) and 3 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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