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Monthly climate in Rio Segundo, Alajuela, Costa Rica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rio Segundo features a tropical monsoon climate (Am).Temperatures typically range between 19 °C (66 °F) and 21 °C (70 °F) through the year, but rarely can drop to 12 °C (53 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 2613 mm (102.9 inches) and receives 279 rainy days on the 1 mm (0.04 inches) threshold annually.Rio Segundo enjoys an average of 2912 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 Rio Segundo, Alajuela, Costa Rica §

The warmest months in Rio Segundo are May, June and September, with daily mean temperatures ranging from 21 to 21 °C (70 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 19 to 19 °C (66 - 67 °F) throughout the day. On average each year, Rio Segundo experiences 87 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 Rio Segundo, Alajuela, 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 26°C
(78°F)		 27°C
(81°F)		 26°C
(80°F)		 28°C
(83°F)		 30°C
(86°F)		 28°C
(83°F)		 27°C
(81°F)		 29°C
(84°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(77°F)
Mean maximum 25°C
(76°F)		 25°C
(78°F)		 26°C
(78°F)		 27°C
(81°F)		 28°C
(82°F)		 27°C
(82°F)		 26°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)		 25°C
(78°F)		 25°C
(76°F)
Average high 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 24°C
(76°F)		 23°C
(75°F)		 22°C
(73°F)
Daily mean 19°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(69°F)		 20°C
(68°F)		 19°C
(67°F)
Average low 16°C
(61°F)		 16°C
(61°F)		 16°C
(61°F)		 17°C
(64°F)		 19°C
(66°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(62°F)
Mean minimum 14°C
(57°F)		 13°C
(56°F)		 14°C
(57°F)		 15°C
(59°F)		 17°C
(63°F)		 18°C
(64°F)		 17°C
(63°F)		 17°C
(63°F)		 17°C
(62°F)		 17°C
(62°F)		 16°C
(60°F)		 14°C
(58°F)
Minimum 12°C
(54°F)		 12°C
(53°F)		 13°C
(55°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 16°C
(62°F)		 16°C
(62°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 14°C
(57°F)

Compare climate in Rio Segundo with other places

Compare temperature, precipitation, sunshine, UV index in Rio Segundo, Alajuela, Costa Rica with other places around the world.

Monthly average precipitation in Rio Segundo, Alajuela, Costa Rica §

Rio Segundo usually has the most precipitation in May, September and October, with an average of 29 rainy days and 333 mm (13.1 inches) of precipitation per month.The driest months in Rio Segundo are January, February and March. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Segundo, Alajuela, 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) 109 (4.3) 48 (1.9) 57 (2.2) 113 (4.5) 310 (12.2) 275 (10.8) 275 (10.8) 273 (10.7) 287 (11.3) 402 (15.8) 272 (10.7) 192 (7.6)
Average precipitation days (≥ 1 mm) 13 12 13 22 29 29 28 29 29 30 26 19

Monthly sunshine hours in Rio Segundo, Alajuela, Costa Rica §

The sunniest months in Rio Segundo are February, March and April, when the sun shines an average of 10 hours 1 minutes a day.Least sunny months in Rio Segundo: July, August and November receive an average of 6 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Segundo, Alajuela, 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 227 289 319 293 233 218 194 209 232 218 213 261
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 Rio Segundo, Alajuela, Costa Rica §

Rio Segundo experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, 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 12. For more detailed information, check out our hourly Rio Segundo UV Index data.

Average daily maximum UV levels by month for Rio Segundo, Alajuela, 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) 12 13 14 15 14 14 14 13 13 14 11 10