Bongor climate — normals and trends
Bongor (Chad) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.2 °C and it receives 627 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 (33.2 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in August.
Bongor averages 0 frost days, 321 hot days (≥ 30 °C) and 94 rainy days per year.
Bongor has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.0 °C (on 7 May 2024) and the coldest 11.3 °C (on 19 January 1968).
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
BongorMayo-Kebbi Est Region
- coords
- 10.28°, 15.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.2°C
Average daily high
34.8°C
Average daily low
22.5°C
Annual rainfall
627mm
Sunshine / day
10.8h
Mean relative humidity
47%
Average peak wind
14.7km/h
Seasonal range
7.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
321 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.4 °C
Average feels-like low
22.6 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
281 d/yr
Solar radiation
22.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.29 · 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
46.0 °C
7 May 2024
Coldest day
11.3 °C
19 January 1968
Wettest day
131 mm
4 September 1948
Windiest day
34.8 km/h
28 April 1979
Strongest gust
65.5 km/h
28 April 1979
Hottest feels-like
47.5 °C
19 April 2010
Coldest feels-like
7.0 °C
12 January 1957
Sunniest day
12.0 h
25 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 | 35.2 °C | +1.3 °C | 0 mm | 0 mm |
| Feb | 37.5 °C | +1.0 °C | 0 mm | 0 mm |
| Mar | 41.6 °C | +2.1 °C | 0 mm | -1 mm |
| Apr | 41.1 °C | +0.9 °C | 1 mm | -9 mm |
| May | 39.5 °C | +1.8 °C | 1 mm | -40 mm |
| Jun | 35.6 °C | +1.2 °C | 42 mm | -25 mm |
| Jul | 30.8 °C | -0.3 °C | 248 mm | +101 mm |
| Aug | 29.7 °C | 0.0 °C | 215 mm | +7 mm |
| Sep | 31.1 °C | +0.3 °C | 125 mm | +6 mm |
| Oct | 34.1 °C | +0.2 °C | 6 mm | -27 mm |
| Nov | 36.8 °C | +1.5 °C | 0 mm | -2 mm |
| Dec | 36.5 °C | +2.5 °C | 0 mm | 0 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 Bongor?
Bongor has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.2 °C and it receives 627 mm of precipitation per year.
What is the hottest day ever recorded in Bongor?
The hottest day measured in Bongor between 1940 and 2025 was 7 May 2024, reaching 46.0 °C.
What is the coldest day in Bongor?
The coldest day measured in Bongor between 1940 and 2025 was 19 January 1968, at 11.3 °C.
Does it snow in Bongor?
Almost never: Bongor sees virtually no snow, with about 0 frost days per year.
Has the climate of Bongor warmed?
Yes: Bongor warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bongor?
The wettest day measured in Bongor between 1940 and 2025 was 4 September 1948, with 131 mm of rain in 24 hours.
What was the windiest day in Bongor?
The windiest day measured in Bongor between 1940 and 2025 was 28 April 1979, with winds reaching 34.8 km/h.
What is the warmest month in Bongor?
The warmest month in Bongor is April (33.2 °C on average); the coldest is January (25.4 °C).
How much does it rain in Bongor?
Bongor receives on average 627 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Bongor?
Bongor gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Bongor?
Yes: Bongor has on average 281 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bongor?
In Bongor, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 19 April 2010, and the lowest was 7.0 °C on 12 January 1957.
Compare Bongor with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bongor