Sayhāt climate — normals and trends
Sayhāt (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 72 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 (15.8 °C). Rainfall peaks in January.
Sayhāt averages 0 frost days, 197 hot days (≥ 30 °C) and 13 rainy days per year.
Sayhāt has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.9 °C (on 15 July 2000) and the coldest 1.2 °C (on 20 January 1964).
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
SayhātEastern Province
- coords
- 26.48°, 50.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
30.2°C
Average daily low
22.2°C
Annual rainfall
72mm
Sunshine / day
11.2h
Mean relative humidity
56%
Average peak wind
24.0km/h
Seasonal range
18.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
197 d/yr
Rainy days (≥ 1 mm)
13 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.2 °C
Average feels-like low
21.7 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
222 d/yr
Solar radiation
21.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.54 · 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
45.9 °C
15 July 2000
Coldest day
1.2 °C
20 January 1964
Wettest day
58 mm
12 November 1997
Windiest day
62.2 km/h
19 April 1970
Strongest gust
79.6 km/h
10 January 1965
Hottest feels-like
50.4 °C
22 July 2021
Coldest feels-like
-8.3 °C
20 January 1964
Sunniest day
13.0 h
6 May 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 | 20.2 °C | +0.9 °C | 6 mm | -11 mm |
| Feb | 19.8 °C | -0.9 °C | 17 mm | +6 mm |
| Mar | 23.9 °C | -0.4 °C | 14 mm | +4 mm |
| Apr | 31.7 °C | +2.6 °C | 0 mm | -6 mm |
| May | 36.7 °C | +2.3 °C | 0 mm | -1 mm |
| Jun | 38.9 °C | +1.2 °C | 0 mm | 0 mm |
| Jul | 39.9 °C | +0.9 °C | 0 mm | 0 mm |
| Aug | 39.9 °C | +0.8 °C | 0 mm | 0 mm |
| Sep | 37.9 °C | +0.8 °C | 0 mm | 0 mm |
| Oct | 33.0 °C | -0.2 °C | 0 mm | -1 mm |
| Nov | 28.0 °C | +1.0 °C | 0 mm | -10 mm |
| Dec | 22.9 °C | +1.5 °C | 55 mm | +39 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 Sayhāt?
Sayhāt has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 72 mm of precipitation per year.
What is the hottest day ever recorded in Sayhāt?
The hottest day measured in Sayhāt between 1940 and 2025 was 15 July 2000, reaching 45.9 °C.
What is the coldest day in Sayhāt?
The coldest day measured in Sayhāt between 1940 and 2025 was 20 January 1964, at 1.2 °C.
Does it snow in Sayhāt?
Almost never: Sayhāt sees virtually no snow, with about 0 frost days per year.
Has the climate of Sayhāt warmed?
Yes: Sayhāt warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sayhāt?
The wettest day measured in Sayhāt between 1940 and 2025 was 12 November 1997, with 58 mm of rain in 24 hours.
What was the windiest day in Sayhāt?
The windiest day measured in Sayhāt between 1940 and 2025 was 19 April 1970, with winds reaching 62.2 km/h.
What is the warmest month in Sayhāt?
The warmest month in Sayhāt is July (34.6 °C on average); the coldest is January (15.8 °C).
How much does it rain in Sayhāt?
Sayhāt receives on average 72 mm of precipitation per year, spread over about 13 rainy days.
Is it sunny in Sayhāt?
Sayhāt gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Sayhāt?
Yes: Sayhāt has on average 222 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sayhāt?
In Sayhāt, between 1940 and 2025, the highest apparent temperature reached 50.4 °C on 22 July 2021, and the lowest was -8.3 °C on 20 January 1964.
Compare Sayhāt with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sayhāt