Umluj climate — normals and trends
Umluj (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 54 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 (30.2 °C on average) and the coldest is January (20.7 °C). Rainfall peaks in December.
Umluj averages 0 frost days, 111 hot days (≥ 30 °C) and 8 rainy days per year.
Umluj has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 5 June 2013) and the coldest 10.2 °C (on 7 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
UmlujTabuk Region
- coords
- 25.02°, 37.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
27.5°C
Average daily low
24.2°C
Annual rainfall
54mm
Sunshine / day
11.6h
Mean relative humidity
61%
Average peak wind
23.4km/h
Seasonal range
9.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
8 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.4 °C
Average feels-like low
24.7 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
301 d/yr
Solar radiation
22.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °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
39.9 °C
5 June 2013
Coldest day
10.2 °C
7 February 1950
Wettest day
65 mm
8 December 1964
Windiest day
55.0 km/h
12 March 2020
Strongest gust
81.4 km/h
12 March 2020
Hottest feels-like
43.3 °C
9 August 2015
Coldest feels-like
2.4 °C
7 February 1950
Sunniest day
13.0 h
1 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.9 °C | +2.2 °C | 14 mm | +2 mm |
| Feb | 22.7 °C | -0.3 °C | 0 mm | -6 mm |
| Mar | 25.3 °C | +0.9 °C | 0 mm | -2 mm |
| Apr | 27.0 °C | +0.5 °C | 0 mm | -3 mm |
| May | 29.6 °C | +0.8 °C | 0 mm | -0 mm |
| Jun | 30.1 °C | -0.2 °C | 0 mm | 0 mm |
| Jul | 32.8 °C | +1.8 °C | 0 mm | 0 mm |
| Aug | 33.0 °C | +1.5 °C | 0 mm | -0 mm |
| Sep | 31.2 °C | +0.5 °C | 0 mm | -0 mm |
| Oct | 30.2 °C | +0.7 °C | 0 mm | -4 mm |
| Nov | 29.7 °C | +2.6 °C | 1 mm | -13 mm |
| Dec | 24.4 °C | +0.1 °C | 54 mm | +40 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 Umluj?
Umluj has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 54 mm of precipitation per year.
What is the hottest day ever recorded in Umluj?
The hottest day measured in Umluj between 1940 and 2025 was 5 June 2013, reaching 39.9 °C.
What is the coldest day in Umluj?
The coldest day measured in Umluj between 1940 and 2025 was 7 February 1950, at 10.2 °C.
Does it snow in Umluj?
Almost never: Umluj sees virtually no snow, with about 0 frost days per year.
Has the climate of Umluj warmed?
Yes: Umluj warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Umluj?
The wettest day measured in Umluj between 1940 and 2025 was 8 December 1964, with 65 mm of rain in 24 hours.
What was the windiest day in Umluj?
The windiest day measured in Umluj between 1940 and 2025 was 12 March 2020, with winds reaching 55.0 km/h.
What is the warmest month in Umluj?
The warmest month in Umluj is August (30.2 °C on average); the coldest is January (20.7 °C).
How much does it rain in Umluj?
Umluj receives on average 54 mm of precipitation per year, spread over about 8 rainy days.
Is it sunny in Umluj?
Umluj gets on average 11.6 hours of sunshine per day, roughly 4,234 hours per year over 1940-2025.
Are there tropical nights in Umluj?
Yes: Umluj has on average 301 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Umluj?
In Umluj, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 9 August 2015, and the lowest was 2.4 °C on 7 February 1950.
Compare Umluj with another city
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Nearby cities
The climate around Umluj