Koumbia climate — normals and trends
Koumbia (Guinea) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,478 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 April (30.6 °C on average) and the coldest is August (25.0 °C). Rainfall peaks in August.
Koumbia averages 0 frost days, 290 hot days (≥ 30 °C) and 140 rainy days per year.
Koumbia 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 41.7 °C (on 6 May 2017) and the coldest 12.4 °C (on 29 December 1982).
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
KoumbiaBoké Region
- coords
- 11.80°, -13.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.9°C
Average daily low
21.9°C
Annual rainfall
1,478mm
Sunshine / day
10.0h
Mean relative humidity
63%
Average peak wind
12.2km/h
Seasonal range
5.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
290 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
24.0 °C
Average peak gust
27.8 km/h
Tropical nights (≥ 20 °C)
294 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.73 · 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
41.7 °C
6 May 2017
Coldest day
12.4 °C
29 December 1982
Wettest day
217 mm
12 August 2023
Windiest day
32.0 km/h
1 August 1961
Strongest gust
63.4 km/h
1 August 1961
Hottest feels-like
45.3 °C
7 May 2017
Coldest feels-like
9.5 °C
29 December 1982
Sunniest day
12.1 h
27 May 1941
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 | 34.6 °C | +1.0 °C | 0 mm | -1 mm |
| Feb | 35.9 °C | +0.5 °C | 0 mm | -1 mm |
| Mar | 37.5 °C | +0.6 °C | 0 mm | -1 mm |
| Apr | 37.9 °C | +0.4 °C | 10 mm | +6 mm |
| May | 36.1 °C | 0.0 °C | 31 mm | -9 mm |
| Jun | 32.7 °C | +0.8 °C | 69 mm | -89 mm |
| Jul | 29.7 °C | +0.2 °C | 296 mm | -4 mm |
| Aug | 29.7 °C | +0.7 °C | 382 mm | -7 mm |
| Sep | 30.7 °C | +0.8 °C | 419 mm | +86 mm |
| Oct | 32.4 °C | +1.4 °C | 184 mm | -29 mm |
| Nov | 32.2 °C | +0.6 °C | 18 mm | -19 mm |
| Dec | 32.3 °C | -0.3 °C | 1 mm | -3 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 Koumbia?
Koumbia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,478 mm of precipitation per year.
What is the hottest day ever recorded in Koumbia?
The hottest day measured in Koumbia between 1940 and 2025 was 6 May 2017, reaching 41.7 °C.
What is the coldest day in Koumbia?
The coldest day measured in Koumbia between 1940 and 2025 was 29 December 1982, at 12.4 °C.
Does it snow in Koumbia?
Almost never: Koumbia sees virtually no snow, with about 0 frost days per year.
Has the climate of Koumbia warmed?
Yes: Koumbia warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Koumbia?
The wettest day measured in Koumbia between 1940 and 2025 was 12 August 2023, with 217 mm of rain in 24 hours.
What was the windiest day in Koumbia?
The windiest day measured in Koumbia between 1940 and 2025 was 1 August 1961, with winds reaching 32.0 km/h.
What is the warmest month in Koumbia?
The warmest month in Koumbia is April (30.6 °C on average); the coldest is August (25.0 °C).
How much does it rain in Koumbia?
Koumbia receives on average 1,478 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Koumbia?
Koumbia gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Koumbia?
Yes: Koumbia has on average 294 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Koumbia?
In Koumbia, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 7 May 2017, and the lowest was 9.5 °C on 29 December 1982.
Compare Koumbia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Koumbia