Riyāḑ al Khabrā’ climate — normals and trends
Riyāḑ al Khabrā’ (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 76 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 (34.6 °C on average) and the coldest is January (12.7 °C). Rainfall peaks in November.
Riyāḑ al Khabrā’ averages 3 frost days, 217 hot days (≥ 30 °C) and 15 rainy days per year.
Riyāḑ al Khabrā’ has warmed by +4.0 °C between 1940 and 2025, or +0.47 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 0 per year over the period.
The hottest day of the period reached 47.8 °C (on 11 July 2021) and the coldest -7.0 °C (on 16 January 2008).
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
Riyāḑ al Khabrā’Al-Qassim Region
- coords
- 26.07°, 43.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.8°C
Average daily high
31.9°C
Average daily low
17.1°C
Annual rainfall
76mm
Sunshine / day
11.2h
Mean relative humidity
29%
Average peak wind
19.6km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
217 d/yr
Rainy days (≥ 1 mm)
15 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.6 °C
Average feels-like low
13.7 °C
Average peak gust
32.7 km/h
Tropical nights (≥ 20 °C)
158 d/yr
Solar radiation
22.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+4.0 °C
since 1940
+0.5 °C per decade · r² = 0.79 · 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
47.8 °C
11 July 2021
Coldest day
-7.0 °C
16 January 2008
Wettest day
51 mm
3 March 1987
Windiest day
53.4 km/h
22 April 2010
Strongest gust
83.9 km/h
17 March 1998
Hottest feels-like
48.2 °C
1 August 2020
Coldest feels-like
-11.6 °C
16 January 2008
Sunniest day
12.8 h
2 July 1951
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 | 18.7 °C | -0.6 °C | 12 mm | -1 mm |
| Feb | 19.7 °C | -2.6 °C | 33 mm | +27 mm |
| Mar | 26.5 °C | -0.4 °C | 26 mm | +16 mm |
| Apr | 35.6 °C | +3.6 °C | 3 mm | -10 mm |
| May | 40.0 °C | +2.3 °C | 1 mm | -2 mm |
| Jun | 42.5 °C | +1.6 °C | 0 mm | -0 mm |
| Jul | 42.7 °C | +0.8 °C | 0 mm | 0 mm |
| Aug | 43.2 °C | +1.3 °C | 0 mm | 0 mm |
| Sep | 41.3 °C | +1.7 °C | 2 mm | +2 mm |
| Oct | 35.2 °C | +1.1 °C | 0 mm | -2 mm |
| Nov | 28.2 °C | +2.1 °C | 2 mm | -14 mm |
| Dec | 20.6 °C | +0.1 °C | 56 mm | +42 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 Riyāḑ al Khabrā’?
Riyāḑ al Khabrā’ has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 76 mm of precipitation per year.
What is the hottest day ever recorded in Riyāḑ al Khabrā’?
The hottest day measured in Riyāḑ al Khabrā’ between 1940 and 2025 was 11 July 2021, reaching 47.8 °C.
What is the coldest day in Riyāḑ al Khabrā’?
The coldest day measured in Riyāḑ al Khabrā’ between 1940 and 2025 was 16 January 2008, at -7.0 °C.
Does it snow in Riyāḑ al Khabrā’?
Almost never: Riyāḑ al Khabrā’ sees virtually no snow, with about 3 frost days per year.
Has the climate of Riyāḑ al Khabrā’ warmed?
Yes: Riyāḑ al Khabrā’ warmed by +4.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Riyāḑ al Khabrā’?
The wettest day measured in Riyāḑ al Khabrā’ between 1940 and 2025 was 3 March 1987, with 51 mm of rain in 24 hours.
What was the windiest day in Riyāḑ al Khabrā’?
The windiest day measured in Riyāḑ al Khabrā’ between 1940 and 2025 was 22 April 2010, with winds reaching 53.4 km/h.
What is the warmest month in Riyāḑ al Khabrā’?
The warmest month in Riyāḑ al Khabrā’ is July (34.6 °C on average); the coldest is January (12.7 °C).
How much does it rain in Riyāḑ al Khabrā’?
Riyāḑ al Khabrā’ receives on average 76 mm of precipitation per year, spread over about 15 rainy days.
Is it sunny in Riyāḑ al Khabrā’?
Riyāḑ al Khabrā’ gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Riyāḑ al Khabrā’?
Yes: Riyāḑ al Khabrā’ has on average 158 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Riyāḑ al Khabrā’?
In Riyāḑ al Khabrā’, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 1 August 2020, and the lowest was -11.6 °C on 16 January 2008.
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Nearby cities
The climate around Riyāḑ al Khabrā’