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Monthly climate in Liberia, Costa Rica

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Liberia 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 16 °C (60 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 1958 mm (77.1 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually. Liberia enjoys an average of 3542 hours of sunshine throughout the year, and daylight varies from 11 hours 30 minutes to 12 hours 43 minutes per day.

Monthly average temperatures in Liberia, Costa Rica

The warmest months in Liberia are March, April and May, with daily mean temperatures ranging from 26 to 27 °C (80 - 81 °F) throughout the day. The coldest temperatures usually occur in October, November and December, when daily mean temperatures range from 25 to 25 °C (77 - 77 °F) throughout the day. On average each year, Liberia experiences 327 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 Liberia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		34°C
(93°F)		35°C
(95°F)		37°C
(98°F)		36°C
(97°F)		33°C
(92°F)		32°C
(90°F)		33°C
(92°F)		32°C
(90°F)		31°C
(89°F)		31°C
(89°F)		31°C
(88°F)
Mean maximum31°C
(88°F)		32°C
(91°F)		34°C
(93°F)		35°C
(95°F)		34°C
(94°F)		32°C
(90°F)		32°C
(89°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)		30°C
(87°F)		30°C
(87°F)
Average high29°C
(84°F)		30°C
(87°F)		31°C
(88°F)		33°C
(91°F)		31°C
(88°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)
Daily mean25°C
(77°F)		26°C
(78°F)		26°C
(80°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)
Average low22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)
Mean minimum19°C
(66°F)		19°C
(67°F)		20°C
(68°F)		21°C
(69°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)
Minimum16°C
(60°F)		18°C
(64°F)		19°C
(67°F)		20°C
(68°F)		21°C
(69°F)		21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		21°C
(69°F)		20°C
(69°F)		19°C
(66°F)		19°C
(67°F)

Compare climate in Liberia with other places

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

Monthly average precipitation in Liberia, Costa Rica

Liberia usually has the most precipitation in May, September and October, with an average of 24 rainy days and 353 mm (13.9 inches) of precipitation per month. The driest months in Liberia are January, February and March. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Liberia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.4)2 (0.1)2 (0.1)37 (1.4)323 (12.7)315 (12.4)114 (4.5)250 (9.8)319 (12.6)418 (16.5)153 (6.0)17 (0.7)
Average precipitation days (≥ 1 mm)2006202516212527122

Monthly sunshine hours in Liberia, Costa Rica

The sunniest months in Liberia are March, April and December, when the sun shines an average of 10 hours 40 minutes a day. Least sunny months in Liberia: January, September and October receive an average of 8 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Liberia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours261299334326282288317287272252298322
Mean daily daylight hours11h 33m11h 46m12h 3m12h 21m12h 36m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m

Solar UV radiation in Liberia, Costa Rica

Liberia experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 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 Liberia UV Index data.

Average daily maximum UV levels by month for Liberia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111314141414141313131110