Gatumba climate — normals and trends
Gatumba (Burundi) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.5 °C and it receives 580 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 September (24.2 °C on average) and the coldest is June (22.8 °C). Rainfall peaks in April.
Gatumba averages 0 frost days, 105 hot days (≥ 30 °C) and 59 rainy days per year.
Gatumba has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.7 °C (on 25 September 1997) and the coldest 11.9 °C (on 30 July 1975).
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
GatumbaBujumbura Rural Province
- coords
- -3.33°, 29.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.5°C
Average daily high
28.8°C
Average daily low
18.4°C
Annual rainfall
580mm
Sunshine / day
9.5h
Mean relative humidity
59%
Average peak wind
11.5km/h
Seasonal range
1.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
105 d/yr
Rainy days (≥ 1 mm)
59 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.8 °C
Average feels-like low
18.8 °C
Average peak gust
29.2 km/h
Tropical nights (≥ 20 °C)
58 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
36.7 °C
25 September 1997
Coldest day
11.9 °C
30 July 1975
Wettest day
187 mm
11 May 1979
Windiest day
23.8 km/h
1 October 1942
Strongest gust
57.2 km/h
1 October 1942
Hottest feels-like
38.1 °C
25 February 2005
Coldest feels-like
9.9 °C
30 July 1975
Sunniest day
12.0 h
25 December 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 | 29.2 °C | +0.7 °C | 28 mm | -50 mm |
| Feb | 30.9 °C | +1.9 °C | 2 mm | -55 mm |
| Mar | 29.6 °C | +0.8 °C | 76 mm | +6 mm |
| Apr | 28.1 °C | +0.1 °C | 97 mm | -3 mm |
| May | 28.0 °C | 0.0 °C | 39 mm | -40 mm |
| Jun | 28.9 °C | +0.5 °C | 9 mm | -2 mm |
| Jul | 28.8 °C | +0.2 °C | 5 mm | +1 mm |
| Aug | 29.3 °C | -0.2 °C | 7 mm | +2 mm |
| Sep | 30.6 °C | +0.3 °C | 0 mm | -8 mm |
| Oct | 29.8 °C | -0.1 °C | 13 mm | -5 mm |
| Nov | 29.7 °C | +1.1 °C | 5 mm | -50 mm |
| Dec | 28.7 °C | +0.5 °C | 67 mm | -30 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 Gatumba?
Gatumba has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 580 mm of precipitation per year.
What is the hottest day ever recorded in Gatumba?
The hottest day measured in Gatumba between 1940 and 2025 was 25 September 1997, reaching 36.7 °C.
What is the coldest day in Gatumba?
The coldest day measured in Gatumba between 1940 and 2025 was 30 July 1975, at 11.9 °C.
Does it snow in Gatumba?
Almost never: Gatumba sees virtually no snow, with about 0 frost days per year.
Has the climate of Gatumba warmed?
Yes: Gatumba warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gatumba?
The wettest day measured in Gatumba between 1940 and 2025 was 11 May 1979, with 187 mm of rain in 24 hours.
What was the windiest day in Gatumba?
The windiest day measured in Gatumba between 1940 and 2025 was 1 October 1942, with winds reaching 23.8 km/h.
What is the warmest month in Gatumba?
The warmest month in Gatumba is September (24.2 °C on average); the coldest is June (22.8 °C).
How much does it rain in Gatumba?
Gatumba receives on average 580 mm of precipitation per year, spread over about 59 rainy days.
Is it sunny in Gatumba?
Gatumba gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Gatumba?
Yes: Gatumba has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gatumba?
In Gatumba, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 25 February 2005, and the lowest was 9.9 °C on 30 July 1975.
Compare Gatumba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gatumba