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Monthly climate in Siguiri, Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siguiri features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (78 °F) and 32 °C (90 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 1163 mm (45.8 inches) and receives 115 rainy days on the 1 mm (0.04 inches) threshold annually. Siguiri enjoys an average of 3679 hours of sunshine throughout the year, and daylight varies from 11 hours 27 minutes to 12 hours 46 minutes per day.

Monthly average temperatures in Siguiri, Guinea

The warmest months in Siguiri are March, April and May, with daily mean temperatures ranging from 31 to 32 °C (88 - 90 °F) throughout the day. The coldest temperatures usually occur in January, August and September, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Siguiri 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 Siguiri. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(100°F)		39°C
(103°F)		41°C
(106°F)		42°C
(107°F)		41°C
(107°F)		38°C
(102°F)		35°C
(95°F)		33°C
(92°F)		34°C
(93°F)		36°C
(97°F)		37°C
(99°F)		37°C
(99°F)
Mean maximum36°C
(97°F)		39°C
(102°F)		40°C
(104°F)		41°C
(106°F)		41°C
(105°F)		37°C
(99°F)		34°C
(93°F)		32°C
(90°F)		33°C
(92°F)		35°C
(95°F)		37°C
(98°F)		36°C
(98°F)
Average high34°C
(93°F)		36°C
(97°F)		38°C
(101°F)		39°C
(102°F)		37°C
(99°F)		33°C
(92°F)		30°C
(87°F)		29°C
(85°F)		30°C
(87°F)		32°C
(91°F)		34°C
(94°F)		34°C
(94°F)
Daily mean26°C
(79°F)		28°C
(83°F)		31°C
(88°F)		32°C
(90°F)		31°C
(89°F)		28°C
(83°F)		26°C
(79°F)		25°C
(78°F)		26°C
(79°F)		27°C
(81°F)		27°C
(81°F)		26°C
(79°F)
Average low19°C
(66°F)		21°C
(71°F)		25°C
(77°F)		26°C
(80°F)		26°C
(79°F)		24°C
(75°F)		23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		21°C
(70°F)		19°C
(66°F)
Mean minimum15°C
(60°F)		18°C
(65°F)		20°C
(68°F)		23°C
(73°F)		23°C
(74°F)		22°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		19°C
(67°F)		17°C
(64°F)		16°C
(62°F)
Minimum14°C
(58°F)		17°C
(64°F)		16°C
(61°F)		22°C
(71°F)		23°C
(73°F)		20°C
(69°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		17°C
(62°F)		17°C
(62°F)		15°C
(59°F)

Compare climate in Siguiri with other places

Compare temperature, precipitation, sunshine, UV index in Siguiri, Guinea with other places around the world.

Monthly average precipitation in Siguiri, Guinea

Siguiri usually has the most precipitation in July, August and September, with an average of 25 rainy days and 282 mm (11.1 inches) of precipitation per month. The driest months in Siguiri are January, March and December. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siguiri. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)0 (0.0)2 (0.1)2 (0.1)18 (0.7)38 (1.5)128 (5.1)291 (11.5)297 (11.7)259 (10.2)120 (4.7)6 (0.2)0 (0.0)
Average precipitation days (≥ 1 mm)00037172627221300

Monthly sunshine hours in Siguiri, Guinea

The sunniest months in Siguiri are March, May and December, when the sun shines an average of 10 hours 38 minutes a day. Least sunny months in Siguiri: January, August and September receive an average of 8 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siguiri. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours266297327323339323305263284311314323
Mean daily daylight hours11h 31m11h 45m12h 3m12h 22m12h 38m12h 46m12h 42m12h 28m12h 9m11h 51m11h 35m11h 27m

Solar UV radiation in Siguiri, Guinea

Siguiri experiences the highest level of ultraviolet (UV) radiation in May, August and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. February, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Siguiri UV Index data.

Average daily maximum UV levels by month for Siguiri. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)11111212131313141412109