Deltebre, Spain experiences average highs of 21°C (70°F) and lows of 15°C (59°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.
Deltebre, Spain Weather & Climate 2026
Monthly climate averages for Deltebre, Spain. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Oct 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 / 15°C
Feels Like 21°C / 14°C
Rainy Days 6
Rainfall 48 mm
Sunshine 10 h
Humidity 73%
Wind Speed 18 km/h
Dew Point 13°C
Snow Days 1 days
Hottest Month
29°C
August
Avg Low23°C
Rain6days
Coldest Month
8°C
January
Avg High14°C
Rain4days
Driest Month
4days
January
Avg High14°C
Avg Low8°C
Windiest Month
20 km/h
March (Gusts 42)
Sea Temperature
13°C – 29°C
Warmest water: August (
28.6°C
)
Worst Time to Visit
Consider avoiding January, February, December due to less favorable weather conditions.
Sun Position
Sunrise 06:27
Daylight 15.1h
Sunset 21:31
Live conditions—
Deltebre on the map · live conditions
Deltebre, Spain
- Continent
- Europe
- Country
- Spain
- City
- Deltebre
- Population
- 11.8K
- Coordinates
- 40.72°, 0.71°
Seasonal Breakdown
Spring
Mar–May
Avg High 19°C
Avg Low 12°C
Rain 8 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 28°C
Avg Low 22°C
Rain 5 days/mo
1/3 best months
Autumn
Sep–Nov
Avg High 22°C
Avg Low 16°C
Rain 8 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 14°C
Avg Low 9°C
Rain 4 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: 14°C / 8°C . Feb: 15°C / 9°C . Mar: 16°C / 10°C . Apr: 18°C / 12°C . May: 22°C / 15°C . Jun: 26°C / 20°C . Jul: 28°C / 23°C . Aug: 29°C / 23°C . Sep: 26°C / 20°C . Oct: 22°C / 17°C . Nov: 18°C / 12°C . Dec: 15°C / 9°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 45 mm. Feb: 25 mm. Mar: 58 mm. Apr: 57 mm. May: 46 mm. Jun: 28 mm. Jul: 27 mm. Aug: 30 mm. Sep: 73 mm. Oct: 87 mm. Nov: 60 mm. Dec: 41 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 75%. Mar: 72%. Apr: 73%. May: 72%. Jun: 73%. Jul: 72%. Aug: 71%. Sep: 72%. Oct: 75%. Nov: 72%. Dec: 76%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 17 km/h . Mar: 20 km/h . Apr: 18 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 18 km/h . Aug: 18 km/h . Sep: 17 km/h . Oct: 16 km/h . Nov: 19 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 10h. Apr: 11h. May: 13h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 9h. Nov: 8h. Dec: 7h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 13°C . Feb: 13°C . Mar: 15°C . Apr: 17°C . May: 21°C . Jun: 25°C . Jul: 28°C . Aug: 29°C . Sep: 26°C . Oct: 23°C . Nov: 18°C . Dec: 14°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 3. 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 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 0 days. Mar: 0 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 0 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 11 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 30°C | Aug · 29°C |
| Coldest month | Jan 2025 · 9°C | Jan · 8°C |
| Wettest month | Mar 2025 · 130 mm | Oct · 87 mm |
| Windiest month | Nov 2025 · 20 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
Excellent August
Good September best
Excellent October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 8°C | 11°C / 5°C | 4days (45 mm) Good | 7.6h Good | 73% Muggy | 2.5 Moderate | Fair | View Details |
| February | 15°C / 9°C | 13°C / 6°C | 4days (25 mm) Good | 8.7h Good | 75% Muggy | 3.4 Moderate | Good | View Details |
| March | 16°C / 10°C | 14°C / 8°C | 9days (58 mm) Wet | 9.6h Good | 72% Muggy | 4.6 Moderate | Good | View Details |
| April | 18°C / 12°C | 17°C / 10°C | 8days (57 mm) Wet | 10.9h Excellent | 73% Muggy | 6.2 High | Good | View Details |
| May best | 22°C / 15°C | 23°C / 15°C | 7days (46 mm) Good | 12.7h Excellent | 72% Muggy | 7.2 Very High | Excellent | View Details |
| June best | 26°C / 20°C | 28°C / 21°C | 5days (28 mm) Good | 13.4h Excellent | 73% Muggy | 7.6 Very High | Excellent | View Details |
| July | 28°C / 23°C | 32°C / 25°C | 4days (27 mm) Good | 13.4h Excellent | 72% Muggy | 7.5 Very High | Excellent | View Details |
| August | 29°C / 23°C | 33°C / 26°C | 6days (30 mm) Good | 12.2h Excellent | 71% Muggy | 7.1 Very High | Good | View Details |
| September best | 26°C / 20°C | 27°C / 21°C | 9days (73 mm) Wet | 10.6h Excellent | 72% Muggy | 5.7 High | Excellent | View Details |
| October best | 22°C / 17°C | 23°C / 17°C | 8days (87 mm) Wet | 9h Good | 75% Muggy | 4.1 Moderate | Excellent | View Details |
| November | 18°C / 12°C | 16°C / 10°C | 6days (60 mm) Good | 7.9h Good | 72% Muggy | 2.9 Moderate | Good | View Details |
| December | 15°C / 9°C | 13°C / 7°C | 5days (41 mm) Good | 7.4h Good | 76% Humid | 2.2 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Deltebre are May, June, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Deltebre, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Deltebre is August, with average daytime highs of 29°C (84°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Deltebre is January, with average overnight lows of 8°C (46°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Deltebre is October, averaging 87mm of precipitation across 8 rainy days. An umbrella or waterproof jacket is essential.
Deltebre receives approximately 123 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Deltebre.
The least favorable months to visit Deltebre are January, February, December, primarily due to less favorable weather conditions. For the best conditions, consider May, June, September, October instead.
The annual average UV index in Deltebre is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Deltebre 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.
Yes, Deltebre receives snow. Months with snowfall average 1 snow days and 3 cm (1 in) of accumulation, with about 0 frost days during winter.
Average wind speeds in Deltebre are 18 km/h (11 mph). The windiest month is March with peak winds reaching 20 km/h (12 mph) (gusts up to 42 km/h / 26 mph).
Deltebre averages 8 clear-sky days per month with overall cloud cover around 45%. The clearest skies occur in July.
The annual average dew point in Deltebre is 13°C (55°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Deltebre 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 Deltebre ranges from 14°C (57°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 Deltebre. It earns a climate score of 9.9/10 with Excellent.
For June in Deltebre, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 26°C (78°F) and 5 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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