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Bongor, Chad climate

As Tropical savanna (dry summer)

Bongor has a mildly seasonal tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is April with an average daily high near 41°C, while the coldest is August averaging around 22°C at night. Precipitation totals about 653 mm a year and is strongly seasonal — August alone averages 217 mm while January barely receives 0 mm.

☀️ All year

Extreme heat

Daytime highs near 41°C most of the year.

About 270 days a year above 32 °C

🌙 Nights

Stays warm

Even the coolest nights stay near 22°C.

🌧️ Rain

Moderate rainfall

About 653 mm of rain a year.

Wettest in August

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Bongor climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	36	39	41	41	38	35	32	30	30	33	37	37
Avg temp (°C)	27	30	33	34	32	30	27	26	26	28	28	27
Avg low (°C)	17	20	24	27	26	24	23	22	22	22	20	18
Precipitation (mm)	0	0	1	12	48	69	143	217	125	38	1	0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	36	39	41	41	38	35
Avg temp (°C)	27	30	33	34	32	30
Avg low (°C)	17	20	24	27	26	24
Precipitation (mm)	0	0	1	12	48	69

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	32	30	30	33	37	37
Avg temp (°C)	27	26	26	28	28	27
Avg low (°C)	23	22	22	22	20	18
Precipitation (mm)	143	217	125	38	1	0

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with high ≥ 32°C (days)	29	28	31	30	30	26	13	2	3	19	30	31

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with high ≥ 32°C (days)	29	28	31	30	30	26

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with high ≥ 32°C (days)	13	2	3	19	30	31

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	30	35	52	68	67	63	72	77	65	49	35	27
Relative humidity (%)	16	13	14	29	49	62	74	83	81	70	38	20
Wind speed (m/s)	3.2	3.5	3.2	2.6	2.6	2.4	1.9	1.5	1.3	1.4	1.9	2.8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	30	35	52	68	67	63
Relative humidity (%)	16	13	14	29	49	62
Wind speed (m/s)	3.2	3.5	3.2	2.6	2.6	2.4

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	72	77	65	49	35	27
Relative humidity (%)	74	83	81	70	38	20
Wind speed (m/s)	1.9	1.5	1.3	1.4	1.9	2.8

Methodology & sources

Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →