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Monthly climate in Voinjama, Liberia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Voinjama features a tropical monsoon climate (Am). Temperatures typically range between 23 °C (73 °F) and 26 °C (80 °F) through the year, but rarely can drop to 14 °C (58 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 2305 mm (90.8 inches) and receives 234 rainy days on the 1 mm (0.04 inches) threshold annually. Voinjama enjoys an average of 3070 hours of sunshine throughout the year, and daylight varies from 11 hours 37 minutes to 12 hours 35 minutes per day.

Monthly average temperatures in Voinjama, Liberia

The warmest months in Voinjama are February, March and April, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 23 to 23 °C (73 - 74 °F) throughout the day. On average each year, Voinjama experiences 315 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 Voinjama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum37°C
(98°F)		37°C
(100°F)		38°C
(101°F)		35°C
(95°F)		34°C
(93°F)		32°C
(90°F)		31°C
(88°F)		31°C
(89°F)		32°C
(89°F)		32°C
(90°F)		34°C
(93°F)		35°C
(95°F)
Mean maximum36°C
(97°F)		37°C
(99°F)		36°C
(96°F)		34°C
(93°F)		33°C
(92°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)		31°C
(88°F)		31°C
(89°F)		32°C
(91°F)		34°C
(94°F)
Average high33°C
(93°F)		34°C
(94°F)		33°C
(92°F)		31°C
(89°F)		30°C
(86°F)		29°C
(84°F)		27°C
(81°F)		26°C
(80°F)		28°C
(82°F)		29°C
(84°F)		30°C
(86°F)		31°C
(89°F)
Daily mean25°C
(77°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		24°C
(76°F)
Average low18°C
(66°F)		20°C
(69°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		21°C
(69°F)		19°C
(67°F)
Mean minimum15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		21°C
(69°F)		20°C
(69°F)		20°C
(68°F)		20°C
(68°F)		19°C
(67°F)		20°C
(68°F)		19°C
(67°F)		19°C
(66°F)		16°C
(61°F)
Minimum14°C
(58°F)		15°C
(59°F)		17°C
(64°F)		20°C
(68°F)		20°C
(68°F)		20°C
(67°F)		19°C
(66°F)		18°C
(65°F)		20°C
(67°F)		19°C
(66°F)		16°C
(62°F)		14°C
(58°F)

Compare climate in Voinjama with other places

Compare temperature, precipitation, sunshine, UV index in Voinjama, Liberia with other places around the world.

Monthly average precipitation in Voinjama, Liberia

Voinjama usually has the most precipitation in July, August and September, with an average of 29 rainy days and 367 mm (14.4 inches) of precipitation per month. The driest months in Voinjama are January, February and December. On average, 24 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Voinjama. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)8 (0.3)43 (1.7)105 (4.1)123 (4.8)225 (8.9)275 (10.8)361 (14.2)311 (12.2)429 (16.9)275 (10.8)131 (5.2)20 (0.8)
Average precipitation days (≥ 1 mm)161720272830292927164

Monthly sunshine hours in Voinjama, Liberia

The sunniest months in Voinjama are February, November and December, when the sun shines an average of 9 hours 33 minutes a day. Least sunny months in Voinjama: July, August and September receive an average of 7 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Voinjama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257274270254257243222208228266280305
Mean daily daylight hours11h 40m11h 50m12h 4m12h 18m12h 29m12h 35m12h 32m12h 22m12h 8m11h 55m11h 43m11h 37m

Solar UV radiation in Voinjama, Liberia

Voinjama 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, February 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 Voinjama UV Index data.

Average daily maximum UV levels by month for Voinjama. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111113131313131414121110