Deir el-Balah climate — normals and trends
Deir el-Balah (Palestine) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.5 °C and it receives 329 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 (26.8 °C on average) and the coldest is January (14.0 °C). Rainfall peaks in January.
Deir el-Balah averages 0 frost days, 20 hot days (≥ 30 °C) and 49 rainy days per year.
Deir el-Balah has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.5 °C (on 23 May 2019) and the coldest 2.2 °C (on 5 February 1950).
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
Deir el-BalahGaza Strip
- coords
- 31.42°, 34.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.5°C
Average daily high
23.3°C
Average daily low
18.1°C
Annual rainfall
329mm
Sunshine / day
11.2h
Mean relative humidity
71%
Average peak wind
21.4km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
49 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.8 °C
Average feels-like low
18.1 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
151 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
40.5 °C
23 May 2019
Coldest day
2.2 °C
5 February 1950
Wettest day
53 mm
3 November 1940
Windiest day
62.3 km/h
3 February 1992
Strongest gust
97.2 km/h
3 February 1992
Hottest feels-like
40.4 °C
23 May 2019
Coldest feels-like
-3.8 °C
5 February 1950
Snowiest day
0.2 cm
5 February 1950
Sunniest day
13.7 h
1 July 1940
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 | 18.9 °C | +2.2 °C | 20 mm | -58 mm |
| Feb | 16.2 °C | -0.9 °C | 44 mm | -9 mm |
| Mar | 20.8 °C | +1.9 °C | 15 mm | -25 mm |
| Apr | 22.8 °C | +1.2 °C | 5 mm | -9 mm |
| May | 24.9 °C | +0.6 °C | 5 mm | +2 mm |
| Jun | 27.0 °C | +0.1 °C | 0 mm | -1 mm |
| Jul | 29.9 °C | +1.2 °C | 0 mm | -1 mm |
| Aug | 30.4 °C | +1.1 °C | 1 mm | +0 mm |
| Sep | 29.1 °C | +0.8 °C | 0 mm | -1 mm |
| Oct | 27.1 °C | +0.9 °C | 2 mm | -14 mm |
| Nov | 25.4 °C | +2.9 °C | 40 mm | -6 mm |
| Dec | 19.9 °C | +1.4 °C | 162 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 Deir el-Balah?
Deir el-Balah has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.5 °C and it receives 329 mm of precipitation per year.
What is the hottest day ever recorded in Deir el-Balah?
The hottest day measured in Deir el-Balah between 1940 and 2025 was 23 May 2019, reaching 40.5 °C.
What is the coldest day in Deir el-Balah?
The coldest day measured in Deir el-Balah between 1940 and 2025 was 5 February 1950, at 2.2 °C.
Does it snow in Deir el-Balah?
Almost never: Deir el-Balah sees virtually no snow, with about 0 frost days per year.
Has the climate of Deir el-Balah warmed?
Yes: Deir el-Balah warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Deir el-Balah?
The wettest day measured in Deir el-Balah between 1940 and 2025 was 3 November 1940, with 53 mm of rain in 24 hours.
What was the windiest day in Deir el-Balah?
The windiest day measured in Deir el-Balah between 1940 and 2025 was 3 February 1992, with winds reaching 62.3 km/h.
What is the warmest month in Deir el-Balah?
The warmest month in Deir el-Balah is August (26.8 °C on average); the coldest is January (14.0 °C).
How much does it rain in Deir el-Balah?
Deir el-Balah receives on average 329 mm of precipitation per year, spread over about 49 rainy days.
Is it sunny in Deir el-Balah?
Deir el-Balah gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Deir el-Balah?
The heaviest 24-hour snowfall measured in Deir el-Balah between 1940 and 2025 was 5 February 1950, with 0.2 cm.
Are there tropical nights in Deir el-Balah?
Yes: Deir el-Balah has on average 151 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Deir el-Balah?
In Deir el-Balah, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 23 May 2019, and the lowest was -3.8 °C on 5 February 1950.
Compare Deir el-Balah with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Deir el-Balah