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Monthly climate in Monrovia, Liberia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Monrovia features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (78 °F) and 27 °C (82 °F) through the year, but rarely can drop to 23 °C (74 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 4153 mm (163.5 inches) and receives 324 rainy days on the 1 mm (0.04 inches) threshold annually. Monrovia enjoys an average of 3211 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Monrovia, Liberia

The warmest months in Monrovia are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 25 to 25 °C (78 - 78 °F) throughout the day. On average each year, Monrovia 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 Monrovia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		31°C
(87°F)		30°C
(85°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		30°C
(86°F)		30°C
(87°F)		31°C
(88°F)
Mean maximum30°C
(87°F)		30°C
(87°F)		31°C
(87°F)		31°C
(87°F)		30°C
(87°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		30°C
(85°F)		30°C
(86°F)		30°C
(87°F)
Average high29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		27°C
(80°F)		27°C
(80°F)		27°C
(81°F)		28°C
(83°F)		29°C
(84°F)		29°C
(85°F)
Daily mean27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		27°C
(80°F)		27°C
(81°F)
Average low25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(76°F)		25°C
(77°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)
Minimum23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		23°C
(74°F)

Compare climate in Monrovia with other places

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

Monthly average precipitation in Monrovia, Liberia

Monrovia usually has the most precipitation in June, August and September, with an average of 28 rainy days and 673 mm (26.5 inches) of precipitation per month. The driest months in Monrovia are January, February and December. On average, 104 mm (4.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monrovia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)81 (3.2)122 (4.8)171 (6.7)205 (8.1)379 (14.9)781 (30.7)487 (19.2)604 (23.8)634 (25.0)374 (14.7)206 (8.1)109 (4.3)
Average precipitation days (≥ 1 mm)202226263029292730302926

Monthly sunshine hours in Monrovia, Liberia

The sunniest months in Monrovia are March, November and December, when the sun shines an average of 9 hours 36 minutes a day. Least sunny months in Monrovia: June, August and September receive an average of 7 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monrovia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours250279291285278244255224231278288302
Mean daily daylight hours11h 47m11h 54m12h 4m12h 14m12h 23m12h 27m12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m

Solar UV radiation in Monrovia, Liberia

Monrovia experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. June, 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 Monrovia UV Index data.

Average daily maximum UV levels by month for Monrovia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111212141311121213121010