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Monthly climate in Bol, Chad

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bol features a hot desert climate (BWh). Temperatures typically range between 23 °C (73 °F) and 35 °C (95 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 45 °C (114 °F). The average annual precipitation amounts to about 256 mm (10.1 inches) and receives 32 rainy days on the 1 mm (0.04 inches) threshold annually. Bol enjoys an average of 3917 hours of sunshine throughout the year, and daylight varies from 11 hours 19 minutes to 12 hours 53 minutes per day.

Monthly average temperatures in Bol, Chad

The warmest months in Bol are April, May and June, with daily mean temperatures ranging from 33 to 35 °C (92 - 95 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 23 to 24 °C (73 - 76 °F) throughout the day. On average each year, Bol experiences 328 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum40°C
(105°F)		42°C
(107°F)		44°C
(112°F)		45°C
(114°F)		45°C
(114°F)		43°C
(110°F)		42°C
(108°F)		38°C
(100°F)		40°C
(105°F)		41°C
(107°F)		40°C
(104°F)		38°C
(101°F)
Mean maximum36°C
(98°F)		38°C
(100°F)		43°C
(109°F)		44°C
(112°F)		44°C
(112°F)		42°C
(109°F)		41°C
(105°F)		37°C
(98°F)		40°C
(104°F)		40°C
(105°F)		38°C
(101°F)		36°C
(98°F)
Average high31°C
(88°F)		32°C
(91°F)		38°C
(101°F)		41°C
(107°F)		42°C
(107°F)		39°C
(102°F)		35°C
(96°F)		32°C
(90°F)		35°C
(96°F)		37°C
(100°F)		36°C
(97°F)		32°C
(90°F)
Daily mean23°C
(73°F)		24°C
(76°F)		30°C
(86°F)		33°C
(92°F)		35°C
(95°F)		33°C
(92°F)		30°C
(87°F)		28°C
(83°F)		30°C
(86°F)		31°C
(87°F)		28°C
(83°F)		24°C
(76°F)
Average low16°C
(60°F)		17°C
(63°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		28°C
(83°F)		27°C
(80°F)		25°C
(78°F)		26°C
(79°F)		25°C
(77°F)		21°C
(71°F)		17°C
(63°F)
Mean minimum12°C
(55°F)		13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		25°C
(77°F)		25°C
(78°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		22°C
(72°F)		18°C
(65°F)		14°C
(57°F)
Minimum11°C
(52°F)		12°C
(54°F)		16°C
(61°F)		18°C
(65°F)		23°C
(73°F)		24°C
(76°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(71°F)		16°C
(62°F)		13°C
(56°F)

Compare climate in Bol with other places

Compare temperature, precipitation, sunshine, UV index in Bol, Chad with other places around the world.

Monthly average precipitation in Bol, Chad

Bol usually has the most precipitation in July, August and September, with an average of 8 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Bol are February, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bol. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)0 (0.0)0 (0.0)0 (0.0)4 (0.1)15 (0.6)43 (1.7)138 (5.4)48 (1.9)9 (0.4)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)0000136155200

Monthly sunshine hours in Bol, Chad

The sunniest months in Bol are March, May and July, when the sun shines an average of 11 hours 9 minutes a day. Least sunny months in Bol: January, February and November receive an average of 9 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours266301338333350337348336326330319327
Mean daily daylight hours11h 25m11h 41m12h 3m12h 25m12h 44m12h 53m12h 48m12h 32m12h 10m11h 48m11h 29m11h 19m

Solar UV radiation in Bol, Chad

Bol experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Bol UV Index data.

Average daily maximum UV levels by month for Bol. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)10111312121112121311109