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Monthly climate in Greenville, Liberia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Greenville features a tropical monsoon climate (Am). Temperatures typically range between 25 °C (77 °F) and 27 °C (81 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 31 °C (87 °F). The average annual precipitation amounts to about 3106 mm (122.3 inches) and receives 329 rainy days on the 1 mm (0.04 inches) threshold annually. Greenville enjoys an average of 3090 hours of sunshine throughout the year, and daylight varies from 11 hours 49 minutes to 12 hours 23 minutes per day.

Monthly average temperatures in Greenville, Liberia

The warmest months in Greenville are February, March and April, with daily mean temperatures ranging from 27 to 27 °C (81 - 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 - 78 °F) throughout the day. On average each year, Greenville 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 Greenville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(87°F)		30°C
(86°F)		30°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(84°F)		28°C
(82°F)		27°C
(82°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)		30°C
(86°F)
Mean maximum30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)		27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		29°C
(85°F)
Average high28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		28°C
(83°F)		28°C
(83°F)
Daily mean27°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		26°C
(79°F)		27°C
(80°F)
Average low25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		26°C
(78°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
(78°F)
Mean minimum24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°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
(76°F)
Minimum24°C
(75°F)		24°C
(75°F)		23°C
(75°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		24°C
(75°F)		23°C
(73°F)		23°C
(74°F)		23°C
(75°F)		24°C
(75°F)		24°C
(75°F)

Compare climate in Greenville with other places

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

Monthly average precipitation in Greenville, Liberia

Greenville usually has the most precipitation in May, June and September, with an average of 29 rainy days and 496 mm (19.5 inches) of precipitation per month. The driest months in Greenville are January, February and December. On average, 112 mm (4.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Greenville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)91 (3.6)124 (4.9)157 (6.2)155 (6.1)341 (13.4)560 (22.1)284 (11.2)215 (8.5)587 (23.1)289 (11.4)180 (7.1)122 (4.8)
Average precipitation days (≥ 1 mm)232527283029262429312928

Monthly sunshine hours in Greenville, Liberia

The sunniest months in Greenville are April, November and December, when the sun shines an average of 9 hours 28 minutes a day. Least sunny months in Greenville: June, August and September receive an average of 7 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Greenville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours248267275279263224241228219260282299
Mean daily daylight hours11h 51m11h 56m12h 4m12h 13m12h 20m12h 23m12h 21m12h 15m12h 7m11h 59m11h 52m11h 49m

Solar UV radiation in Greenville, Liberia

Greenville 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, July 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 Greenville UV Index data.

Average daily maximum UV levels by month for Greenville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111213141312111212121110