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Monthly climate in Mariel, Cuba

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mariel features a tropical savanna climate (Aw). Temperatures typically range between 22 °C (72 °F) and 28 °C (83 °F) through the year, but rarely can drop to 10 °C (51 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 921 mm (36.2 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Mariel enjoys an average of 3698 hours of sunshine throughout the year, and daylight varies from 10 hours 44 minutes to 13 hours 30 minutes per day.

Monthly average temperatures in Mariel, Cuba

The warmest months in Mariel are July, August and September, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 22 to 24 °C (72 - 75 °F) throughout the day. On average each year, Mariel experiences 298 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 Mariel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(84°F)		30°C
(86°F)		30°C
(87°F)		32°C
(91°F)		32°C
(90°F)		33°C
(91°F)		33°C
(91°F)		33°C
(91°F)		32°C
(91°F)		31°C
(89°F)		31°C
(87°F)		29°C
(85°F)
Mean maximum28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		32°C
(90°F)		32°C
(91°F)		32°C
(90°F)		31°C
(88°F)		30°C
(85°F)		29°C
(84°F)
Average high25°C
(78°F)		27°C
(81°F)		27°C
(81°F)		29°C
(84°F)		29°C
(85°F)		30°C
(87°F)		31°C
(88°F)		31°C
(88°F)		30°C
(87°F)		29°C
(85°F)		27°C
(82°F)		26°C
(80°F)
Daily mean22°C
(72°F)		24°C
(75°F)		24°C
(75°F)		26°C
(78°F)		26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		27°C
(82°F)		27°C
(80°F)		25°C
(77°F)		23°C
(74°F)
Average low20°C
(68°F)		21°C
(70°F)		21°C
(69°F)		23°C
(73°F)		24°C
(75°F)		25°C
(78°F)		25°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(76°F)		22°C
(72°F)		21°C
(69°F)
Mean minimum15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		19°C
(66°F)		21°C
(70°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		22°C
(72°F)		19°C
(66°F)		16°C
(61°F)
Minimum14°C
(57°F)		10°C
(51°F)		14°C
(58°F)		17°C
(62°F)		19°C
(67°F)		23°C
(74°F)		24°C
(75°F)		24°C
(76°F)		23°C
(73°F)		18°C
(65°F)		17°C
(62°F)		14°C
(58°F)

Compare climate in Mariel with other places

Compare temperature, precipitation, sunshine, UV index in Mariel, Cuba with other places around the world.

Monthly average precipitation in Mariel, Cuba

Mariel usually has the most precipitation in May, September and October, with an average of 17 rainy days and 136 mm (5.3 inches) of precipitation per month. The driest months in Mariel are January, February and March. On average, 23 mm (0.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mariel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)26 (1.0)29 (1.1)15 (0.6)37 (1.5)166 (6.6)116 (4.5)94 (3.7)99 (3.9)125 (4.9)116 (4.6)54 (2.1)44 (1.7)
Average precipitation days (≥ 1 mm)6435151818161918116

Monthly sunshine hours in Mariel, Cuba

The sunniest months in Mariel are April, July and August, when the sun shines an average of 11 hours 5 minutes a day. Least sunny months in Mariel: January, February and December receive an average of 8 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mariel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours227279333338331312345336314301289288
Mean daily daylight hours10h 53m11h 23m12h 1m12h 41m13h 14m13h 30m13h 21m12h 52m12h 14m11h 35m11h 1m10h 44m

Solar UV radiation in Mariel, Cuba

Mariel experiences the highest level of ultraviolet (UV) radiation in April, June and September, when the maximum UV index can reach values of 12 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Mariel UV Index data.

Average daily maximum UV levels by month for Mariel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)710111212131212121187