Demba climate — normals and trends
Demba (Democratic Republic of Congo) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.2 °C and it receives 1,529 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 August (25.0 °C on average) and the coldest is November (23.5 °C). Rainfall peaks in November.
Demba averages 0 frost days, 144 hot days (≥ 30 °C) and 216 rainy days per year.
Demba has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.5 °C (on 31 August 1950) and the coldest 13.9 °C (on 19 June 1946).
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
DembaKasai-Central
- coords
- -5.50°, 22.27°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.2°C
Average daily high
29.4°C
Average daily low
20.6°C
Annual rainfall
1,529mm
Sunshine / day
9.0h
Mean relative humidity
84%
Average peak wind
8.3km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
144 d/yr
Rainy days (≥ 1 mm)
216 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.3 °C
Average feels-like low
23.7 °C
Average peak gust
24.3 km/h
Tropical nights (≥ 20 °C)
288 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
37.5 °C
31 August 1950
Coldest day
13.9 °C
19 June 1946
Wettest day
198 mm
16 March 1992
Windiest day
20.0 km/h
25 June 1988
Strongest gust
50.4 km/h
10 March 1985
Hottest feels-like
42.8 °C
8 March 2011
Coldest feels-like
11.5 °C
16 July 1988
Sunniest day
12.3 h
21 December 2007
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 | 29.9 °C | +1.3 °C | 106 mm | -39 mm |
| Feb | 31.7 °C | +2.5 °C | 55 mm | -86 mm |
| Mar | 31.4 °C | +2.3 °C | 274 mm | +78 mm |
| Apr | 29.4 °C | +0.6 °C | 264 mm | +80 mm |
| May | 29.8 °C | +0.3 °C | 106 mm | +28 mm |
| Jun | 31.6 °C | +0.8 °C | 8 mm | -9 mm |
| Jul | 31.0 °C | -0.5 °C | 11 mm | -1 mm |
| Aug | 32.2 °C | +1.4 °C | 3 mm | -59 mm |
| Sep | 32.4 °C | +3.0 °C | 48 mm | -87 mm |
| Oct | 31.2 °C | +2.5 °C | 107 mm | -70 mm |
| Nov | 30.0 °C | +2.0 °C | 153 mm | -48 mm |
| Dec | 29.5 °C | +1.5 °C | 147 mm | -33 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 Demba?
Demba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.2 °C and it receives 1,529 mm of precipitation per year.
What is the hottest day ever recorded in Demba?
The hottest day measured in Demba between 1940 and 2025 was 31 August 1950, reaching 37.5 °C.
What is the coldest day in Demba?
The coldest day measured in Demba between 1940 and 2025 was 19 June 1946, at 13.9 °C.
Does it snow in Demba?
Almost never: Demba sees virtually no snow, with about 0 frost days per year.
Has the climate of Demba warmed?
Yes: Demba warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Demba?
The wettest day measured in Demba between 1940 and 2025 was 16 March 1992, with 198 mm of rain in 24 hours.
What was the windiest day in Demba?
The windiest day measured in Demba between 1940 and 2025 was 25 June 1988, with winds reaching 20.0 km/h.
What is the warmest month in Demba?
The warmest month in Demba is August (25.0 °C on average); the coldest is November (23.5 °C).
How much does it rain in Demba?
Demba receives on average 1,529 mm of precipitation per year, spread over about 216 rainy days.
Is it sunny in Demba?
Demba gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
Are there tropical nights in Demba?
Yes: Demba has on average 288 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Demba?
In Demba, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 8 March 2011, and the lowest was 11.5 °C on 16 July 1988.
Compare Demba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Demba