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Monthly climate in Sardinal, Guanacaste, Costa Rica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sardinal features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (80 °F) and 28 °C (83 °F) through the year, but rarely can drop to 23 °C (73 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1515 mm (59.6 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually.Sardinal enjoys an average of 3499 hours of sunshine throughout the year, and daylight varies from 11 hours 30 minutes to 12 hours 42 minutes per day.

Monthly average temperatures in Sardinal, Guanacaste, Costa Rica §

The warmest months in Sardinal are March, April and May, with daily mean temperatures ranging from 27 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 26 to 27 °C (80 - 80 °F) throughout the day. On average each year, Sardinal 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 Sardinal, Guanacaste, Costa Rica.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 31°C
(88°F)		 31°C
(89°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(87°F)		 31°C
(88°F)
Mean maximum 30°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(89°F)		 30°C
(87°F)		 30°C
(87°F)		 30°C
(86°F)		 30°C
(87°F)
Average high 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 30°C
(87°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(85°F)
Daily mean 27°C
(80°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 26°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)
Average low 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)
Mean minimum 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)
Minimum 23°C
(75°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)

Compare climate in Sardinal with other places

Compare temperature, precipitation, sunshine, UV index in Sardinal, Guanacaste, Costa Rica with other places around the world.

Monthly average precipitation in Sardinal, Guanacaste, Costa Rica §

Sardinal usually has the most precipitation in May, June and October, with an average of 24 rainy days and 271 mm (10.7 inches) of precipitation per month.The driest months in Sardinal are January, February and March. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sardinal, Guanacaste, Costa Rica.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) 5 (0.2) 1 (0.0) 1 (0.0) 24 (1.0) 233 (9.2) 224 (8.8) 99 (3.9) 207 (8.1) 218 (8.6) 357 (14.1) 132 (5.2) 13 (0.5)
Average precipitation days (≥ 1 mm) 1 0 0 7 21 25 18 21 27 27 11 2

Monthly sunshine hours in Sardinal, Guanacaste, Costa Rica §

The sunniest months in Sardinal are March, April and December, when the sun shines an average of 10 hours 39 minutes a day.Least sunny months in Sardinal: January, September and October receive an average of 8 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sardinal, Guanacaste, Costa Rica.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 261 299 334 324 277 282 311 278 267 244 295 321
Mean daily daylight hours 11h 34m 11h 47m 12h 3m 12h 21m 12h 35m 12h 42m 12h 39m 12h 26m 12h 9m 11h 52m 11h 37m 11h 30m

Solar UV radiation in Sardinal, Guanacaste, Costa Rica §

Sardinal experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Sardinal UV Index data.

Average daily maximum UV levels by month for Sardinal, Guanacaste, Costa Rica.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) 11 13 14 14 14 14 14 13 13 13 11 10