Aswān climate — normals and trends
Aswān (Egypt) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 12 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 July (34.0 °C on average) and the coldest is January (16.1 °C). Rainfall peaks in October.
Aswān averages 0 frost days, 238 hot days (≥ 30 °C) and 2 rainy days per year.
Aswān has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The hottest day of the period reached 48.0 °C (on 7 June 2024) and the coldest 1.2 °C (on 3 January 1942).
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
AswānAswan Governorate
- coords
- 24.09°, 32.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
33.1°C
Average daily low
19.9°C
Annual rainfall
12mm
Sunshine / day
11.5h
Mean relative humidity
28%
Average peak wind
20.5km/h
Seasonal range
17.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
238 d/yr
Rainy days (≥ 1 mm)
2 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
16.9 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
198 d/yr
Solar radiation
23.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.65 · 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
48.0 °C
7 June 2024
Coldest day
1.2 °C
3 January 1942
Wettest day
70 mm
30 October 1966
Windiest day
49.1 km/h
28 July 1967
Strongest gust
73.8 km/h
28 July 1967
Hottest feels-like
48.2 °C
14 August 2025
Coldest feels-like
-3.5 °C
3 January 1942
Sunniest day
13.0 h
14 June 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 | 26.0 °C | +3.4 °C | 0 mm | -1 mm |
| Feb | 24.2 °C | -0.8 °C | 0 mm | -0 mm |
| Mar | 30.3 °C | +1.1 °C | 0 mm | -0 mm |
| Apr | 35.4 °C | +1.0 °C | 0 mm | -0 mm |
| May | 38.0 °C | -0.3 °C | 0 mm | -1 mm |
| Jun | 39.3 °C | -0.9 °C | 0 mm | 0 mm |
| Jul | 41.1 °C | +1.0 °C | 0 mm | 0 mm |
| Aug | 41.4 °C | +1.3 °C | 1 mm | +1 mm |
| Sep | 37.8 °C | -0.7 °C | 0 mm | -1 mm |
| Oct | 36.3 °C | +1.1 °C | 0 mm | -5 mm |
| Nov | 32.0 °C | +3.1 °C | 0 mm | -3 mm |
| Dec | 24.9 °C | +0.8 °C | 0 mm | -2 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 Aswān?
Aswān has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 12 mm of precipitation per year.
What is the hottest day ever recorded in Aswān?
The hottest day measured in Aswān between 1940 and 2025 was 7 June 2024, reaching 48.0 °C.
What is the coldest day in Aswān?
The coldest day measured in Aswān between 1940 and 2025 was 3 January 1942, at 1.2 °C.
Does it snow in Aswān?
Almost never: Aswān sees virtually no snow, with about 0 frost days per year.
Has the climate of Aswān warmed?
Yes: Aswān warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aswān?
The wettest day measured in Aswān between 1940 and 2025 was 30 October 1966, with 70 mm of rain in 24 hours.
What was the windiest day in Aswān?
The windiest day measured in Aswān between 1940 and 2025 was 28 July 1967, with winds reaching 49.1 km/h.
What is the warmest month in Aswān?
The warmest month in Aswān is July (34.0 °C on average); the coldest is January (16.1 °C).
How much does it rain in Aswān?
Aswān receives on average 12 mm of precipitation per year, spread over about 2 rainy days.
Is it sunny in Aswān?
Aswān gets on average 11.5 hours of sunshine per day, roughly 4,198 hours per year over 1940-2025.
Are there tropical nights in Aswān?
Yes: Aswān has on average 198 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aswān?
In Aswān, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 14 August 2025, and the lowest was -3.5 °C on 3 January 1942.
Compare Aswān with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Aswān