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Monthly climate in Boulsa, Burkina Faso

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Boulsa features a hot semi-arid climate (BSh). Temperatures typically range between 25 °C (77 °F) and 34 °C (94 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 458 mm (18.0 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually. Boulsa enjoys an average of 3745 hours of sunshine throughout the year, and daylight varies from 11 hours 22 minutes to 12 hours 50 minutes per day.

Monthly average temperatures in Boulsa, Burkina Faso

The warmest months in Boulsa are March, April and May, with daily mean temperatures ranging from 32 to 34 °C (90 - 94 °F) throughout the day. The coldest temperatures usually occur in January, August and December, when daily mean temperatures range from 25 to 27 °C (77 - 81 °F) throughout the day. On average each year, Boulsa experiences 329 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 Boulsa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum39°C
(102°F)		40°C
(103°F)		42°C
(109°F)		44°C
(111°F)		42°C
(109°F)		41°C
(106°F)		37°C
(100°F)		35°C
(95°F)		36°C
(98°F)		39°C
(102°F)		39°C
(103°F)		38°C
(101°F)
Mean maximum36°C
(97°F)		39°C
(102°F)		42°C
(107°F)		43°C
(109°F)		42°C
(108°F)		39°C
(103°F)		37°C
(98°F)		34°C
(94°F)		36°C
(97°F)		38°C
(101°F)		38°C
(100°F)		36°C
(98°F)
Average high32°C
(91°F)		35°C
(96°F)		39°C
(103°F)		40°C
(105°F)		39°C
(102°F)		35°C
(96°F)		32°C
(91°F)		31°C
(88°F)		33°C
(91°F)		35°C
(96°F)		36°C
(98°F)		34°C
(93°F)
Daily mean25°C
(77°F)		28°C
(82°F)		32°C
(90°F)		34°C
(94°F)		33°C
(92°F)		31°C
(87°F)		28°C
(83°F)		27°C
(81°F)		28°C
(83°F)		30°C
(85°F)		28°C
(84°F)		26°C
(79°F)
Average low18°C
(64°F)		21°C
(70°F)		25°C
(78°F)		28°C
(83°F)		29°C
(84°F)		26°C
(80°F)		25°C
(77°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		21°C
(70°F)		19°C
(66°F)
Mean minimum15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)		24°C
(75°F)		23°C
(73°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		19°C
(66°F)		16°C
(61°F)
Minimum13°C
(56°F)		15°C
(60°F)		19°C
(66°F)		22°C
(73°F)		24°C
(75°F)		22°C
(71°F)		22°C
(72°F)		22°C
(71°F)		20°C
(68°F)		19°C
(66°F)		17°C
(63°F)		15°C
(59°F)

Compare climate in Boulsa with other places

Compare temperature, precipitation, sunshine, UV index in Boulsa, Burkina Faso with other places around the world.

Monthly average precipitation in Boulsa, Burkina Faso

Boulsa usually has the most precipitation in July, August and September, with an average of 16 rainy days and 121 mm (4.8 inches) of precipitation per month. The driest months in Boulsa are January, November and December. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Boulsa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)1 (0.0)1 (0.0)2 (0.1)18 (0.7)48 (1.9)87 (3.4)192 (7.6)84 (3.3)25 (1.0)0 (0.0)0 (0.0)
Average precipitation days (≥ 1 mm)000048152013500

Monthly sunshine hours in Boulsa, Burkina Faso

The sunniest months in Boulsa are May, June and July, when the sun shines an average of 10 hours 46 minutes a day. Least sunny months in Boulsa: January, February and August receive an average of 9 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Boulsa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours263295324320335327328288305322312321
Mean daily daylight hours11h 27m11h 42m12h 3m12h 24m12h 42m12h 50m12h 46m12h 30m12h 10m11h 49m11h 31m11h 22m

Solar UV radiation in Boulsa, Burkina Faso

Boulsa experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 14, 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 Boulsa UV Index data.

Average daily maximum UV levels by month for Boulsa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)1011121312131314131199