Monthly climate in Yomou, Guinea

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Yomou features a tropical monsoon climate (Am). Temperatures typically range between 24 °C (75 °F) and 27 °C (82 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 2091 mm (82.3 inches) and receives 242 rainy days on the 1 mm (0.04 inches) threshold annually. Yomou enjoys an average of 2974 hours of sunshine throughout the year, and daylight varies from 11 hours 40 minutes to 12 hours 32 minutes per day.

Monthly average temperatures in Yomou, Guinea

The warmest months in Yomou are February, March and April, with daily mean temperatures ranging from 26 to 27 °C (80 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, Yomou experiences 323 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 Yomou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)
38°C
(100°F)
38°C
(100°F)
35°C
(95°F)
34°C
(93°F)
32°C
(90°F)
32°C
(89°F)
32°C
(90°F)
32°C
(90°F)
32°C
(91°F)
33°C
(91°F)
34°C
(94°F)
Mean maximum35°C
(96°F)
37°C
(98°F)
36°C
(96°F)
34°C
(94°F)
33°C
(92°F)
32°C
(89°F)
31°C
(87°F)
31°C
(87°F)
32°C
(89°F)
32°C
(90°F)
32°C
(90°F)
33°C
(92°F)
Average high33°C
(92°F)
34°C
(94°F)
33°C
(92°F)
32°C
(90°F)
31°C
(87°F)
29°C
(85°F)
28°C
(82°F)
27°C
(81°F)
29°C
(84°F)
30°C
(86°F)
31°C
(87°F)
31°C
(88°F)
Daily mean26°C
(79°F)
27°C
(82°F)
27°C
(81°F)
26°C
(80°F)
26°C
(79°F)
25°C
(77°F)
24°C
(75°F)
24°C
(75°F)
24°C
(76°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
Average low21°C
(70°F)
22°C
(73°F)
23°C
(74°F)
23°C
(74°F)
23°C
(73°F)
22°C
(72°F)
22°C
(72°F)
22°C
(71°F)
22°C
(72°F)
22°C
(72°F)
22°C
(72°F)
21°C
(70°F)
Mean minimum17°C
(64°F)
20°C
(69°F)
22°C
(71°F)
21°C
(71°F)
22°C
(71°F)
21°C
(70°F)
21°C
(69°F)
20°C
(68°F)
21°C
(70°F)
21°C
(70°F)
21°C
(69°F)
18°C
(64°F)
Minimum15°C
(59°F)
19°C
(66°F)
21°C
(71°F)
21°C
(70°F)
21°C
(70°F)
20°C
(68°F)
20°C
(68°F)
18°C
(65°F)
21°C
(69°F)
21°C
(70°F)
20°C
(68°F)
16°C
(62°F)

Compare climate in Yomou with other places

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

Monthly average precipitation in Yomou, Guinea

Yomou usually has the most precipitation in June, August and September, with an average of 28 rainy days and 318 mm (12.5 inches) of precipitation per month. The driest months in Yomou are January, February and December. On average, 37 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Yomou. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)18 (0.7)60 (2.3)121 (4.7)121 (4.8)190 (7.5)260 (10.3)255 (10.0)287 (11.3)405 (16.0)219 (8.6)120 (4.7)35 (1.4)
Average precipitation days (≥ 1 mm)372019242828272928218

Monthly sunshine hours in Yomou, Guinea

The sunniest months in Yomou are February, November and December, when the sun shines an average of 9 hours 17 minutes a day. Least sunny months in Yomou: July, August and September receive an average of 6 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Yomou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours248264257247254237216200219256275296
Mean daily daylight hours11h 43m11h 52m12h 4m12h 16m12h 27m12h 32m12h 29m12h 20m12h 8m11h 56m11h 45m11h 40m

Solar UV radiation in Yomou, Guinea

Yomou experiences the highest level of ultraviolet (UV) radiation in April, August and September, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, 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 Yomou UV Index data.

Average daily maximum UV levels by month for Yomou. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111212131312131313121110