nomadseason

Monthly climate in Puerto Rico, Mexico

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Puerto Rico features a tropical savanna climate (As). Temperatures typically range between 24 °C (76 °F) and 30 °C (87 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 1246 mm (49.1 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Puerto Rico enjoys an average of 3563 hours of sunshine throughout the year, and daylight varies from 11 hours 1 minutes to 13 hours 13 minutes per day.

Monthly average temperatures in Puerto Rico, Mexico

The warmest months in Puerto Rico are April, May and July, with daily mean temperatures ranging from 29 to 30 °C (84 - 87 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 24 to 26 °C (76 - 78 °F) throughout the day. On average each year, Puerto Rico experiences 315 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 Puerto Rico. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(92°F)		35°C
(95°F)		37°C
(99°F)		40°C
(104°F)		39°C
(102°F)		36°C
(98°F)		36°C
(97°F)		36°C
(97°F)		35°C
(96°F)		34°C
(93°F)		32°C
(90°F)		32°C
(89°F)
Mean maximum31°C
(89°F)		33°C
(92°F)		36°C
(96°F)		38°C
(100°F)		38°C
(101°F)		35°C
(95°F)		35°C
(94°F)		34°C
(94°F)		34°C
(94°F)		33°C
(92°F)		31°C
(88°F)		31°C
(88°F)
Average high27°C
(81°F)		29°C
(85°F)		31°C
(88°F)		33°C
(92°F)		35°C
(95°F)		32°C
(90°F)		32°C
(91°F)		32°C
(91°F)		32°C
(89°F)		30°C
(87°F)		28°C
(83°F)		28°C
(82°F)
Daily mean24°C
(76°F)		26°C
(78°F)		27°C
(81°F)		29°C
(85°F)		30°C
(87°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		27°C
(81°F)		26°C
(78°F)		24°C
(76°F)
Average low22°C
(71°F)		22°C
(73°F)		24°C
(75°F)		26°C
(78°F)		27°C
(81°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		25°C
(77°F)		23°C
(74°F)		22°C
(72°F)
Mean minimum18°C
(64°F)		18°C
(65°F)		21°C
(69°F)		22°C
(72°F)		24°C
(75°F)		24°C
(76°F)		25°C
(76°F)		25°C
(76°F)		24°C
(76°F)		23°C
(74°F)		20°C
(68°F)		17°C
(63°F)
Minimum17°C
(63°F)		16°C
(61°F)		20°C
(68°F)		20°C
(69°F)		22°C
(72°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		21°C
(70°F)		19°C
(67°F)		16°C
(61°F)

Compare climate in Puerto Rico with other places

Compare temperature, precipitation, sunshine, UV index in Puerto Rico, Mexico with other places around the world.

Monthly average precipitation in Puerto Rico, Mexico

Puerto Rico usually has the most precipitation in June, September and October, with an average of 20 rainy days and 240 mm (9.4 inches) of precipitation per month. The driest months in Puerto Rico are February, March and April. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Puerto Rico. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)45 (1.8)18 (0.7)17 (0.7)25 (1.0)53 (2.1)272 (10.7)82 (3.2)118 (4.7)200 (7.9)247 (9.7)120 (4.7)47 (1.9)
Average precipitation days (≥ 1 mm)743581913172221158

Monthly sunshine hours in Puerto Rico, Mexico

The sunniest months in Puerto Rico are May, July and August, when the sun shines an average of 10 hours 37 minutes a day. Least sunny months in Puerto Rico: January, February and December receive an average of 8 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Puerto Rico. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222270315312328291331327299290288284
Mean daily daylight hours11h 8m11h 31m12h 2m12h 34m13h 0m13h 13m13h 6m12h 42m12h 12m11h 41m11h 14m11h 1m

Solar UV radiation in Puerto Rico, Mexico

Puerto Rico experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure. January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Puerto Rico UV Index data.

Average daily maximum UV levels by month for Puerto Rico. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)911131313131313121198