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Monthly climate in Zwedru, Liberia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Zwedru features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 27 °C (81 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1824 mm (71.8 inches) and receives 266 rainy days on the 1 mm (0.04 inches) threshold annually. Zwedru enjoys an average of 2952 hours of sunshine throughout the year, and daylight varies from 11 hours 46 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Zwedru, Liberia

The warmest months in Zwedru are February, March and April, with daily mean temperatures ranging from 26 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Zwedru 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 Zwedru. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum36°C
(97°F)		35°C
(96°F)		36°C
(96°F)		34°C
(94°F)		34°C
(93°F)		33°C
(91°F)		31°C
(88°F)		32°C
(90°F)		32°C
(90°F)		33°C
(93°F)		33°C
(92°F)		34°C
(93°F)
Mean maximum34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		30°C
(87°F)		31°C
(88°F)		32°C
(89°F)		33°C
(91°F)		33°C
(91°F)		33°C
(91°F)
Average high32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		32°C
(89°F)		31°C
(88°F)		30°C
(85°F)		28°C
(83°F)		28°C
(84°F)		29°C
(85°F)		30°C
(87°F)		31°C
(89°F)		31°C
(88°F)
Daily mean26°C
(79°F)		27°C
(81°F)		27°C
(80°F)		26°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		26°C
(78°F)		26°C
(79°F)		26°C
(78°F)
Average low22°C
(71°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)
Mean minimum19°C
(67°F)		21°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		21°C
(70°F)		20°C
(68°F)		21°C
(71°F)		21°C
(71°F)		21°C
(69°F)		20°C
(67°F)
Minimum17°C
(63°F)		21°C
(70°F)		21°C
(70°F)		21°C
(71°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		19°C
(66°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		17°C
(63°F)

Compare climate in Zwedru with other places

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

Monthly average precipitation in Zwedru, Liberia

Zwedru usually has the most precipitation in May, June and September, with an average of 28 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Zwedru are January, February and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Zwedru. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)79 (3.1)135 (5.3)141 (5.5)220 (8.7)248 (9.8)141 (5.6)168 (6.6)293 (11.5)206 (8.1)110 (4.3)45 (1.8)
Average precipitation days (≥ 1 mm)101424232729252328292113

Monthly sunshine hours in Zwedru, Liberia

The sunniest months in Zwedru are April, November and December, when the sun shines an average of 8 hours 47 minutes a day. Least sunny months in Zwedru: January, 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 Zwedru. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours230251261268260236234215214247263268
Mean daily daylight hours11h 48m11h 55m12h 4m12h 14m12h 23m12h 27m12h 25m12h 17m12h 7m11h 58m11h 49m11h 46m

Solar UV radiation in Zwedru, Liberia

Zwedru experiences the highest level of ultraviolet (UV) radiation in March, April and May, 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 / 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 Zwedru UV Index data.

Average daily maximum UV levels by month for Zwedru. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111213141312121212121110