nomadseason

Monthly climate in Jaco, Puntarenas, Costa Rica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Jaco features a tropical savanna climate (Aw).Temperatures typically range between 26 °C (79 °F) and 28 °C (82 °F) through the year, but rarely can drop to 24 °C (76 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 3437 mm (135.3 inches) and receives 254 rainy days on the 1 mm (0.04 inches) threshold annually.Jaco enjoys an average of 3254 hours of sunshine throughout the year, and daylight varies from 11 hours 33 minutes to 12 hours 39 minutes per day.

Monthly average temperatures in Jaco, Puntarenas, Costa Rica §

The warmest months in Jaco are February, March and April, with daily mean temperatures ranging from 27 to 28 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 26 to 26 °C (79 - 80 °F) throughout the day. On average each year, Jaco 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 Jaco, Puntarenas, 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 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 29°C
(84°F)
Mean maximum 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(82°F)		 28°C
(83°F)
Average high 27°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)
Daily mean 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(80°F)
Average low 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 26°C
(80°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)		 26°C
(78°F)		 26°C
(79°F)
Mean minimum 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)
Minimum 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(76°F)		 24°C
(76°F)

Compare climate in Jaco with other places

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

Monthly average precipitation in Jaco, Puntarenas, Costa Rica §

Jaco usually has the most precipitation in May, August and October, with an average of 30 rainy days and 536 mm (21.1 inches) of precipitation per month.The driest months in Jaco are January, February and March. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jaco, Puntarenas, 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) 36 (1.4) 12 (0.5) 13 (0.5) 130 (5.1) 474 (18.7) 393 (15.5) 358 (14.1) 495 (19.5) 461 (18.2) 638 (25.1) 303 (11.9) 125 (4.9)
Average precipitation days (≥ 1 mm) 7 3 3 21 30 29 30 30 29 30 26 16

Monthly sunshine hours in Jaco, Puntarenas, Costa Rica §

The sunniest months in Jaco are March, April and December, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Jaco: August, September and October receive an average of 7 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jaco, Puntarenas, 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 259 299 332 309 258 259 257 237 241 223 265 310
Mean daily daylight hours 11h 37m 11h 48m 12h 3m 12h 19m 12h 33m 12h 39m 12h 36m 12h 24m 12h 9m 11h 53m 11h 40m 11h 33m

Solar UV radiation in Jaco, Puntarenas, Costa Rica §

Jaco experiences the highest level of ultraviolet (UV) radiation in April, May and July, 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 Jaco UV Index data.

Average daily maximum UV levels by month for Jaco, Puntarenas, 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 13 14 14 13 14 13 13 13 11 10