Bujumbura climate — normals and trends
Bujumbura (Burundi) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.5 °C and it receives 965 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 (24.1 °C on average) and the coldest is July (23.0 °C). Rainfall peaks in December.
Bujumbura averages 0 frost days, 0 hot days (≥ 30 °C) and 84 rainy days per year.
Bujumbura has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.0 °C (on 22 February 2005) and the coldest 16.8 °C (on 31 January 1957).
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
BujumburaBujumbura Mairie Province
- coords
- -3.38°, 29.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.5°C
Average daily high
25.0°C
Average daily low
22.3°C
Annual rainfall
965mm
Sunshine / day
9.7h
Mean relative humidity
64%
Average peak wind
17.6km/h
Seasonal range
1.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
84 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.1 °C
Average feels-like low
22.8 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
351 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.59 · 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
32.0 °C
22 February 2005
Coldest day
16.8 °C
31 January 1957
Wettest day
220 mm
27 April 2016
Windiest day
38.9 km/h
13 February 2007
Strongest gust
78.8 km/h
31 January 1957
Hottest feels-like
33.3 °C
20 February 1991
Coldest feels-like
14.5 °C
31 January 1957
Sunniest day
12.0 h
6 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 | 26.1 °C | +0.9 °C | 167 mm | -4 mm |
| Feb | 27.3 °C | +1.7 °C | 24 mm | -105 mm |
| Mar | 26.5 °C | +1.0 °C | 67 mm | -59 mm |
| Apr | 25.8 °C | +0.9 °C | 117 mm | -23 mm |
| May | 25.2 °C | +0.4 °C | 37 mm | -51 mm |
| Jun | 25.0 °C | +0.6 °C | 19 mm | +7 mm |
| Jul | 24.4 °C | +0.4 °C | 10 mm | +5 mm |
| Aug | 24.8 °C | +0.2 °C | 11 mm | +7 mm |
| Sep | 26.4 °C | +1.0 °C | 0 mm | -9 mm |
| Oct | 26.3 °C | +0.8 °C | 19 mm | -5 mm |
| Nov | 26.1 °C | +1.2 °C | 6 mm | -78 mm |
| Dec | 25.5 °C | +0.6 °C | 159 mm | -15 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 Bujumbura?
Bujumbura has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 965 mm of precipitation per year.
What is the hottest day ever recorded in Bujumbura?
The hottest day measured in Bujumbura between 1940 and 2025 was 22 February 2005, reaching 32.0 °C.
What is the coldest day in Bujumbura?
The coldest day measured in Bujumbura between 1940 and 2025 was 31 January 1957, at 16.8 °C.
Does it snow in Bujumbura?
Almost never: Bujumbura sees virtually no snow, with about 0 frost days per year.
Has the climate of Bujumbura warmed?
Yes: Bujumbura warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bujumbura?
The wettest day measured in Bujumbura between 1940 and 2025 was 27 April 2016, with 220 mm of rain in 24 hours.
What was the windiest day in Bujumbura?
The windiest day measured in Bujumbura between 1940 and 2025 was 13 February 2007, with winds reaching 38.9 km/h.
What is the warmest month in Bujumbura?
The warmest month in Bujumbura is September (24.1 °C on average); the coldest is July (23.0 °C).
How much does it rain in Bujumbura?
Bujumbura receives on average 965 mm of precipitation per year, spread over about 84 rainy days.
Is it sunny in Bujumbura?
Bujumbura gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
Are there tropical nights in Bujumbura?
Yes: Bujumbura has on average 351 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bujumbura?
In Bujumbura, between 1940 and 2025, the highest apparent temperature reached 33.3 °C on 20 February 1991, and the lowest was 14.5 °C on 31 January 1957.
Compare Bujumbura with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bujumbura