Umm Ruwaba climate — normals and trends
Umm Ruwaba (Sudan) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.5 °C and it receives 331 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 May (31.6 °C on average) and the coldest is January (22.6 °C). Rainfall peaks in August.
Umm Ruwaba averages 0 frost days, 315 hot days (≥ 30 °C) and 63 rainy days per year.
Umm Ruwaba has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.8 °C (on 22 April 2004) and the coldest 7.7 °C (on 4 January 1992).
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
Umm RuwabaNorth Kordofan
- coords
- 12.91°, 31.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.5°C
Average daily high
34.3°C
Average daily low
22.0°C
Annual rainfall
331mm
Sunshine / day
11.1h
Mean relative humidity
39%
Average peak wind
17.4km/h
Seasonal range
9.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
315 d/yr
Rainy days (≥ 1 mm)
63 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.5 °C
Average feels-like low
21.0 °C
Average peak gust
33.8 km/h
Tropical nights (≥ 20 °C)
268 d/yr
Solar radiation
23.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
44.8 °C
22 April 2004
Coldest day
7.7 °C
4 January 1992
Wettest day
81 mm
19 May 1952
Windiest day
42.1 km/h
14 June 1967
Strongest gust
72.7 km/h
14 June 1967
Hottest feels-like
46.1 °C
11 May 1950
Coldest feels-like
2.4 °C
4 January 1992
Sunniest day
12.1 h
16 May 1942
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 | 31.8 °C | +1.8 °C | 0 mm | -0 mm |
| Feb | 34.4 °C | +2.2 °C | 0 mm | 0 mm |
| Mar | 36.5 °C | +0.9 °C | 0 mm | -1 mm |
| Apr | 39.6 °C | +1.2 °C | 1 mm | -2 mm |
| May | 40.1 °C | +1.5 °C | 0 mm | -25 mm |
| Jun | 39.5 °C | +2.7 °C | 2 mm | -35 mm |
| Jul | 35.3 °C | +1.5 °C | 45 mm | -31 mm |
| Aug | 32.9 °C | +0.5 °C | 82 mm | -4 mm |
| Sep | 35.2 °C | +1.4 °C | 35 mm | -27 mm |
| Oct | 37.4 °C | +1.7 °C | 7 mm | -28 mm |
| Nov | 36.2 °C | +2.3 °C | 0 mm | -4 mm |
| Dec | 32.5 °C | +1.8 °C | 0 mm | -1 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 Umm Ruwaba?
Umm Ruwaba has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.5 °C and it receives 331 mm of precipitation per year.
What is the hottest day ever recorded in Umm Ruwaba?
The hottest day measured in Umm Ruwaba between 1940 and 2025 was 22 April 2004, reaching 44.8 °C.
What is the coldest day in Umm Ruwaba?
The coldest day measured in Umm Ruwaba between 1940 and 2025 was 4 January 1992, at 7.7 °C.
Does it snow in Umm Ruwaba?
Almost never: Umm Ruwaba sees virtually no snow, with about 0 frost days per year.
Has the climate of Umm Ruwaba warmed?
Yes: Umm Ruwaba warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Umm Ruwaba?
The wettest day measured in Umm Ruwaba between 1940 and 2025 was 19 May 1952, with 81 mm of rain in 24 hours.
What was the windiest day in Umm Ruwaba?
The windiest day measured in Umm Ruwaba between 1940 and 2025 was 14 June 1967, with winds reaching 42.1 km/h.
What is the warmest month in Umm Ruwaba?
The warmest month in Umm Ruwaba is May (31.6 °C on average); the coldest is January (22.6 °C).
How much does it rain in Umm Ruwaba?
Umm Ruwaba receives on average 331 mm of precipitation per year, spread over about 63 rainy days.
Is it sunny in Umm Ruwaba?
Umm Ruwaba gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Umm Ruwaba?
Yes: Umm Ruwaba has on average 268 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Umm Ruwaba?
In Umm Ruwaba, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 11 May 1950, and the lowest was 2.4 °C on 4 January 1992.
Compare Umm Ruwaba with another city
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Nearby cities
The climate around Umm Ruwaba