Deltebre climate — normals and trends
Deltebre (Spain) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 536 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (24.3 °C on average) and the coldest is January (9.8 °C). Rainfall peaks in October.
Deltebre averages 0 frost days, 1 hot days (≥ 30 °C) and 69 rainy days per year.
Deltebre has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.5 °C (on 23 August 2023) and the coldest -3.9 °C (on 11 February 1956).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
DeltebreCatalonia
- coords
- 40.72°, 0.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
18.9°C
Average daily low
14.2°C
Annual rainfall
536mm
Sunshine / day
10.5h
Mean relative humidity
74%
Average peak wind
21.0km/h
Seasonal range
14.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
1.7 cm
Average feels-like high
18.6 °C
Average feels-like low
12.7 °C
Average peak gust
35.9 km/h
Tropical nights (≥ 20 °C)
79 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.62 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
33.5 °C
23 August 2023
Coldest day
-3.9 °C
11 February 1956
Wettest day
123 mm
30 September 1959
Windiest day
67.9 km/h
14 January 1987
Strongest gust
117.4 km/h
14 January 1987
Hottest feels-like
39.9 °C
17 August 2025
Coldest feels-like
-13.3 °C
3 February 1956
Snowiest day
12.7 cm
25 January 1947
Sunniest day
14.1 h
4 June 1943
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 14.4 °C | +1.9 °C | 10 mm | -30 mm |
| Feb | 14.3 °C | +1.2 °C | 16 mm | -16 mm |
| Mar | 14.8 °C | 0.0 °C | 106 mm | +63 mm |
| Apr | 17.5 °C | +1.0 °C | 23 mm | -21 mm |
| May | 21.0 °C | +1.5 °C | 24 mm | -17 mm |
| Jun | 26.2 °C | +2.9 °C | 1 mm | -21 mm |
| Jul | 28.0 °C | +1.8 °C | 65 mm | +49 mm |
| Aug | 28.6 °C | +2.0 °C | 2 mm | -33 mm |
| Sep | 25.1 °C | +0.8 °C | 82 mm | +14 mm |
| Oct | 22.0 °C | +1.3 °C | 97 mm | +13 mm |
| Nov | 17.4 °C | +1.0 °C | 28 mm | -32 mm |
| Dec | 14.3 °C | +0.9 °C | 135 mm | +85 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Deltebre?
Deltebre has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 536 mm of precipitation per year.
What is the hottest day ever recorded in Deltebre?
The hottest day measured in Deltebre between 1940 and 2025 was 23 August 2023, reaching 33.5 °C.
What is the coldest day in Deltebre?
The coldest day measured in Deltebre between 1940 and 2025 was 11 February 1956, at -3.9 °C.
Does it snow in Deltebre?
Yes. Deltebre gets on average 1.7 cm of snow per year and has around 0 frost days.
Has the climate of Deltebre warmed?
Yes: Deltebre warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Deltebre?
The wettest day measured in Deltebre between 1940 and 2025 was 30 September 1959, with 123 mm of rain in 24 hours.
What was the windiest day in Deltebre?
The windiest day measured in Deltebre between 1940 and 2025 was 14 January 1987, with winds reaching 67.9 km/h.
What is the warmest month in Deltebre?
The warmest month in Deltebre is August (24.3 °C on average); the coldest is January (9.8 °C).
How much does it rain in Deltebre?
Deltebre receives on average 536 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Deltebre?
Deltebre gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Deltebre?
The heaviest 24-hour snowfall measured in Deltebre between 1940 and 2025 was 25 January 1947, with 12.7 cm.
Are there tropical nights in Deltebre?
Yes: Deltebre has on average 79 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Deltebre?
In Deltebre, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 17 August 2025, and the lowest was -13.3 °C on 3 February 1956.
Compare Deltebre with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Deltebre