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Monthly climate in San Fernando, Trinidad and Tobago

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Fernando features a tropical monsoon climate (Am).Temperatures typically range between 26 °C (78 °F) and 27 °C (81 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1290 mm (50.8 inches) and receives 219 rainy days on the 1 mm (0.04 inches) threshold annually.San Fernando enjoys an average of 3863 hours of sunshine throughout the year, and daylight varies from 11 hours 31 minutes to 12 hours 42 minutes per day.

Monthly average temperatures in San Fernando, Trinidad and Tobago §

The warmest months in San Fernando are May, 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 December, when daily mean temperatures range from 26 to 26 °C (78 - 79 °F) throughout the day. On average each year, San Fernando 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 San Fernando, Trinidad and Tobago.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 29°C
(85°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(85°F)
Mean maximum 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 29°C
(85°F)
Average high 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 28°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)
Daily mean 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(79°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(76°F)
Mean minimum 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(75°F)
Minimum 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 25°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)

Compare climate in San Fernando with other places

Compare temperature, precipitation, sunshine, UV index in San Fernando, Trinidad and Tobago with other places around the world.

Monthly average precipitation in San Fernando, Trinidad and Tobago §

San Fernando usually has the most precipitation in July, August and October, with an average of 27 rainy days and 180 mm (7.1 inches) of precipitation per month.The driest months in San Fernando are February, March and April. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Fernando, Trinidad and Tobago.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) 46 (1.8) 24 (0.9) 34 (1.3) 26 (1.0) 73 (2.9) 158 (6.2) 179 (7.0) 188 (7.4) 147 (5.8) 174 (6.9) 136 (5.3) 105 (4.1)
Average precipitation days (≥ 1 mm) 11 9 8 6 14 22 29 29 24 24 23 20

Monthly sunshine hours in San Fernando, Trinidad and Tobago §

The sunniest months in San Fernando are March, May and August, when the sun shines an average of 10 hours 59 minutes a day.Least sunny months in San Fernando: January, February and November receive an average of 9 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Fernando, Trinidad and Tobago.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 269 303 341 334 341 316 334 339 320 319 315 326
Mean daily daylight hours 11h 35m 11h 47m 12h 3m 12h 20m 12h 35m 12h 42m 12h 38m 12h 25m 12h 9m 11h 52m 11h 38m 11h 31m

Solar UV radiation in San Fernando, Trinidad and Tobago §

San Fernando experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure.February, November and December are in the Very High / 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 San Fernando UV Index data.

Average daily maximum UV levels by month for San Fernando, Trinidad and Tobago.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) 12 12 14 14 14 13 13 13 14 14 11 10