Tsumeb climate — normals and trends
Tsumeb (Namibia) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 22.2 °C and it receives 501 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 October (26.4 °C on average) and the coldest is June (16.5 °C). Rainfall peaks in January.
Tsumeb averages 0 frost days, 154 hot days (≥ 30 °C) and 78 rainy days per year.
Tsumeb 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 40.1 °C (on 16 January 1949) and the coldest 1.2 °C (on 29 June 1994).
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
TsumebOshikoto Region
- coords
- -19.25°, 17.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.2°C
Average daily high
29.1°C
Average daily low
16.4°C
Annual rainfall
501mm
Sunshine / day
11.2h
Mean relative humidity
42%
Average peak wind
17.1km/h
Seasonal range
9.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
154 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.3 °C
Average feels-like low
14.2 °C
Average peak gust
37.2 km/h
Tropical nights (≥ 20 °C)
70 d/yr
Solar radiation
22.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.18 · 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
40.1 °C
16 January 1949
Coldest day
1.2 °C
29 June 1994
Wettest day
127 mm
12 January 2008
Windiest day
34.6 km/h
16 January 1955
Strongest gust
68.0 km/h
23 February 1995
Hottest feels-like
39.9 °C
4 January 1988
Coldest feels-like
-5.7 °C
1 July 1994
Sunniest day
13.1 h
13 January 1952
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 | 31.2 °C | +1.1 °C | 109 mm | -32 mm |
| Feb | 29.1 °C | -0.1 °C | 250 mm | +133 mm |
| Mar | 28.7 °C | -0.3 °C | 63 mm | -11 mm |
| Apr | 27.3 °C | -1.3 °C | 117 mm | +95 mm |
| May | 25.8 °C | -1.1 °C | 1 mm | +1 mm |
| Jun | 24.2 °C | +0.1 °C | 0 mm | +0 mm |
| Jul | 25.7 °C | +1.5 °C | 0 mm | 0 mm |
| Aug | 28.9 °C | +1.2 °C | 0 mm | -0 mm |
| Sep | 33.6 °C | +1.9 °C | 0 mm | -1 mm |
| Oct | 34.7 °C | +1.3 °C | 5 mm | -10 mm |
| Nov | 31.6 °C | -0.7 °C | 51 mm | +2 mm |
| Dec | 28.9 °C | -2.8 °C | 265 mm | +184 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 Tsumeb?
Tsumeb has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 22.2 °C and it receives 501 mm of precipitation per year.
What is the hottest day ever recorded in Tsumeb?
The hottest day measured in Tsumeb between 1940 and 2025 was 16 January 1949, reaching 40.1 °C.
What is the coldest day in Tsumeb?
The coldest day measured in Tsumeb between 1940 and 2025 was 29 June 1994, at 1.2 °C.
Does it snow in Tsumeb?
Almost never: Tsumeb sees virtually no snow, with about 0 frost days per year.
Has the climate of Tsumeb warmed?
Yes: Tsumeb warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tsumeb?
The wettest day measured in Tsumeb between 1940 and 2025 was 12 January 2008, with 127 mm of rain in 24 hours.
What was the windiest day in Tsumeb?
The windiest day measured in Tsumeb between 1940 and 2025 was 16 January 1955, with winds reaching 34.6 km/h.
What is the warmest month in Tsumeb?
The warmest month in Tsumeb is October (26.4 °C on average); the coldest is June (16.5 °C).
How much does it rain in Tsumeb?
Tsumeb receives on average 501 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Tsumeb?
Tsumeb gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Tsumeb?
Yes: Tsumeb has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tsumeb?
In Tsumeb, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 4 January 1988, and the lowest was -5.7 °C on 1 July 1994.
Compare Tsumeb with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tsumeb