Cairo climate — normals and trends
Cairo (Egypt) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.7 °C and it receives 21 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 (28.7 °C on average) and the coldest is January (13.1 °C). Rainfall peaks in January.
Cairo averages 0 frost days, 173 hot days (≥ 30 °C) and 5 rainy days per year.
Cairo has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.5 °C (on 21 May 1970) and the coldest -1.2 °C (on 7 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
CairoCairo Governorate
- coords
- 30.06°, 31.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.7°C
Average daily high
28.3°C
Average daily low
15.7°C
Annual rainfall
21mm
Sunshine / day
11.4h
Mean relative humidity
54%
Average peak wind
18.2km/h
Seasonal range
15.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
173 d/yr
Rainy days (≥ 1 mm)
5 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.3 °C
Average feels-like low
15.2 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
108 d/yr
Solar radiation
21.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
46.5 °C
21 May 1970
Coldest day
-1.2 °C
7 January 1942
Wettest day
44 mm
12 March 2020
Windiest day
47.2 km/h
3 February 1992
Strongest gust
93.2 km/h
1 February 1988
Hottest feels-like
46.9 °C
7 June 1961
Coldest feels-like
-4.9 °C
7 January 1942
Sunniest day
13.9 h
30 June 2025
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 | 21.4 °C | +2.4 °C | 1 mm | -3 mm |
| Feb | 19.0 °C | -1.6 °C | 1 mm | -3 mm |
| Mar | 25.7 °C | +1.9 °C | 1 mm | -2 mm |
| Apr | 28.2 °C | -0.3 °C | 1 mm | -0 mm |
| May | 32.4 °C | 0.0 °C | 1 mm | +0 mm |
| Jun | 34.4 °C | -0.6 °C | 0 mm | -0 mm |
| Jul | 36.7 °C | +1.1 °C | 0 mm | 0 mm |
| Aug | 35.8 °C | +0.4 °C | 0 mm | 0 mm |
| Sep | 33.0 °C | -0.4 °C | 0 mm | -0 mm |
| Oct | 30.4 °C | +0.4 °C | 0 mm | -2 mm |
| Nov | 27.2 °C | +2.1 °C | 1 mm | -2 mm |
| Dec | 21.7 °C | +1.2 °C | 2 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 Cairo?
Cairo has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 21 mm of precipitation per year.
What is the hottest day ever recorded in Cairo?
The hottest day measured in Cairo between 1940 and 2025 was 21 May 1970, reaching 46.5 °C.
What is the coldest day in Cairo?
The coldest day measured in Cairo between 1940 and 2025 was 7 January 1942, at -1.2 °C.
Does it snow in Cairo?
Almost never: Cairo sees virtually no snow, with about 0 frost days per year.
Has the climate of Cairo warmed?
Yes: Cairo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cairo?
The wettest day measured in Cairo between 1940 and 2025 was 12 March 2020, with 44 mm of rain in 24 hours.
What was the windiest day in Cairo?
The windiest day measured in Cairo between 1940 and 2025 was 3 February 1992, with winds reaching 47.2 km/h.
What is the warmest month in Cairo?
The warmest month in Cairo is July (28.7 °C on average); the coldest is January (13.1 °C).
How much does it rain in Cairo?
Cairo receives on average 21 mm of precipitation per year, spread over about 5 rainy days.
Is it sunny in Cairo?
Cairo gets on average 11.4 hours of sunshine per day, roughly 4,161 hours per year over 1940-2025.
Are there tropical nights in Cairo?
Yes: Cairo has on average 108 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cairo?
In Cairo, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 7 June 1961, and the lowest was -4.9 °C on 7 January 1942.
Compare Cairo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cairo