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Monthly climate in Mabaruma, Guyana

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mabaruma features a tropical rainforest climate (Af). Temperatures typically range between 25 °C (78 °F) and 27 °C (81 °F) through the year, but rarely can drop to 22 °C (71 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 2142 mm (84.3 inches) and receives 303 rainy days on the 1 mm (0.04 inches) threshold annually. Mabaruma enjoys an average of 3758 hours of sunshine throughout the year, and daylight varies from 11 hours 38 minutes to 12 hours 34 minutes per day.

Monthly average temperatures in Mabaruma, Guyana

The warmest months in Mabaruma are August, September and October, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 25 to 26 °C (78 - 79 °F) throughout the day. On average each year, Mabaruma 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 Mabaruma. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum30°C
(86°F)		30°C
(86°F)		30°C
(87°F)		31°C
(89°F)		31°C
(88°F)		32°C
(90°F)		31°C
(89°F)		33°C
(91°F)		33°C
(92°F)		32°C
(90°F)		32°C
(90°F)		31°C
(88°F)
Mean maximum30°C
(85°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)		31°C
(87°F)		31°C
(87°F)		31°C
(89°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		31°C
(89°F)		30°C
(86°F)
Average high28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		30°C
(86°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		28°C
(83°F)
Daily mean25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		27°C
(80°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)
Average low23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		25°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)
Mean minimum22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		23°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(73°F)
Minimum22°C
(71°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		22°C
(73°F)		22°C
(71°F)

Compare climate in Mabaruma with other places

Compare temperature, precipitation, sunshine, UV index in Mabaruma, Guyana with other places around the world.

Monthly average precipitation in Mabaruma, Guyana

Mabaruma usually has the most precipitation in June, July and December, with an average of 29 rainy days and 267 mm (10.5 inches) of precipitation per month. The driest months in Mabaruma are February, March and April. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mabaruma. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)115 (4.5)68 (2.7)85 (3.4)71 (2.8)183 (7.2)310 (12.2)255 (10.1)228 (9.0)176 (6.9)194 (7.6)222 (8.8)235 (9.3)
Average precipitation days (≥ 1 mm)222121182828312925252728

Monthly sunshine hours in Mabaruma, Guyana

The sunniest months in Mabaruma are March, April and August, when the sun shines an average of 10 hours 55 minutes a day. Least sunny months in Mabaruma: January, February and June receive an average of 9 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mabaruma. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours263301338329328284327337320314302309
Mean daily daylight hours11h 41m11h 51m12h 4m12h 17m12h 29m12h 34m12h 31m12h 21m12h 8m11h 55m11h 44m11h 38m

Solar UV radiation in Mabaruma, Guyana

Mabaruma experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. January, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Mabaruma UV Index data.

Average daily maximum UV levels by month for Mabaruma. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)121315151413131414131211