Gemena climate — normals and trends
Gemena (Democratic Republic of Congo) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 1,514 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 February (26.4 °C on average) and the coldest is August (24.2 °C). Rainfall peaks in October.
Gemena averages 0 frost days, 176 hot days (≥ 30 °C) and 232 rainy days per year.
Gemena 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 38.9 °C (on 11 March 2021) and the coldest 12.7 °C (on 14 January 2002).
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
GemenaSud-Ubangi
- coords
- 3.26°, 19.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
30.0°C
Average daily low
21.6°C
Annual rainfall
1,514mm
Sunshine / day
9.3h
Mean relative humidity
83%
Average peak wind
9.3km/h
Seasonal range
2.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
176 d/yr
Rainy days (≥ 1 mm)
232 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.4 °C
Average feels-like low
25.0 °C
Average peak gust
24.6 km/h
Tropical nights (≥ 20 °C)
344 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
38.9 °C
11 March 2021
Coldest day
12.7 °C
14 January 2002
Wettest day
102 mm
27 October 2019
Windiest day
23.1 km/h
21 February 1973
Strongest gust
51.5 km/h
21 February 1973
Hottest feels-like
44.1 °C
22 March 1987
Coldest feels-like
11.9 °C
12 January 2015
Sunniest day
11.9 h
2 March 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 | 33.2 °C | +1.9 °C | 16 mm | -31 mm |
| Feb | 34.2 °C | +2.0 °C | 12 mm | -62 mm |
| Mar | 33.9 °C | +2.3 °C | 70 mm | -73 mm |
| Apr | 32.9 °C | +2.1 °C | 117 mm | -25 mm |
| May | 31.5 °C | +1.3 °C | 65 mm | -61 mm |
| Jun | 30.9 °C | +1.4 °C | 102 mm | -7 mm |
| Jul | 29.1 °C | +0.2 °C | 124 mm | -2 mm |
| Aug | 29.0 °C | +0.3 °C | 147 mm | -18 mm |
| Sep | 30.2 °C | +1.3 °C | 164 mm | -6 mm |
| Oct | 30.2 °C | +1.4 °C | 138 mm | -51 mm |
| Nov | 30.9 °C | +1.8 °C | 102 mm | -58 mm |
| Dec | 32.1 °C | +2.0 °C | 15 mm | -53 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 Gemena?
Gemena has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 1,514 mm of precipitation per year.
What is the hottest day ever recorded in Gemena?
The hottest day measured in Gemena between 1940 and 2025 was 11 March 2021, reaching 38.9 °C.
What is the coldest day in Gemena?
The coldest day measured in Gemena between 1940 and 2025 was 14 January 2002, at 12.7 °C.
Does it snow in Gemena?
Almost never: Gemena sees virtually no snow, with about 0 frost days per year.
Has the climate of Gemena warmed?
Yes: Gemena warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gemena?
The wettest day measured in Gemena between 1940 and 2025 was 27 October 2019, with 102 mm of rain in 24 hours.
What was the windiest day in Gemena?
The windiest day measured in Gemena between 1940 and 2025 was 21 February 1973, with winds reaching 23.1 km/h.
What is the warmest month in Gemena?
The warmest month in Gemena is February (26.4 °C on average); the coldest is August (24.2 °C).
How much does it rain in Gemena?
Gemena receives on average 1,514 mm of precipitation per year, spread over about 232 rainy days.
Is it sunny in Gemena?
Gemena gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Gemena?
Yes: Gemena has on average 344 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gemena?
In Gemena, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 22 March 1987, and the lowest was 11.9 °C on 12 January 2015.
Compare Gemena with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gemena