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Monthly climate in Puerto Rico, San Martín, Peru

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Puerto Rico features a tropical rainforest climate (Af).Temperatures typically range between 24 °C (76 °F) and 26 °C (79 °F) through the year, but rarely can drop to 15 °C (60 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 2443 mm (96.2 inches) and receives 232 rainy days on the 1 mm (0.04 inches) threshold annually.Puerto Rico enjoys an average of 3411 hours of sunshine throughout the year, and daylight varies from 11 hours 42 minutes to 12 hours 30 minutes per day.

Monthly average temperatures in Puerto Rico, San Martín, Peru §

The warmest months in Puerto Rico are October, November and December, with daily mean temperatures ranging from 26 to 26 °C (79 - 79 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 24 to 25 °C (76 - 78 °F) throughout the day. On average each year, Puerto Rico experiences 325 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, San Martín, Peru.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 35°C
(96°F)		 35°C
(95°F)		 35°C
(95°F)		 34°C
(94°F)		 35°C
(95°F)		 34°C
(93°F)		 34°C
(93°F)		 36°C
(97°F)		 36°C
(97°F)		 37°C
(99°F)		 37°C
(98°F)		 35°C
(95°F)
Mean maximum 34°C
(94°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(91°F)		 33°C
(91°F)		 35°C
(96°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)
Average high 30°C
(87°F)		 31°C
(88°F)		 30°C
(87°F)		 31°C
(87°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)
Daily mean 26°C
(78°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)
Average low 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)
Mean minimum 20°C
(69°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 17°C
(64°F)		 17°C
(64°F)		 19°C
(67°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)
Minimum 20°C
(68°F)		 20°C
(68°F)		 20°C
(68°F)		 18°C
(66°F)		 19°C
(66°F)		 17°C
(63°F)		 16°C
(62°F)		 15°C
(60°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)

Compare climate in Puerto Rico with other places

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

Monthly average precipitation in Puerto Rico, San Martín, Peru §

Puerto Rico usually has the most precipitation in March, April and November, with an average of 25 rainy days and 286 mm (11.3 inches) of precipitation per month.The driest months in Puerto Rico are July, August and September. On average, 95 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Puerto Rico, San Martín, Peru.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 252 (9.9) 249 (9.8) 345 (13.6) 253 (10.0) 225 (8.9) 176 (6.9) 123 (4.8) 83 (3.3) 79 (3.1) 167 (6.6) 261 (10.3) 230 (9.0)
Average precipitation days (≥ 1 mm) 21 23 28 24 21 16 11 8 10 20 24 26

Monthly sunshine hours in Puerto Rico, San Martín, Peru §

The sunniest months in Puerto Rico are July, August and September, when the sun shines an average of 10 hours 23 minutes a day.Least sunny months in Puerto Rico: January, February and March receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Puerto Rico, San Martín, Peru.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 223 256 257 264 304 290 325 324 305 294 259 305
Mean daily daylight hours 12h 27m 12h 18m 12h 7m 11h 55m 11h 46m 11h 42m 11h 44m 11h 52m 12h 3m 12h 15m 12h 25m 12h 30m

Solar UV radiation in Puerto Rico, San Martín, Peru §

Puerto Rico experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure.June, July and August 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 Puerto Rico UV Index data.

Average daily maximum UV levels by month for Puerto Rico, San Martín, Peru.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 16 16 16 13 12 11 12 14 15 14 14