Monthly climate in Juntas, Guanacaste, Costa Rica

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Juntas features a tropical savanna climate (Aw).Temperatures typically range between 25 °C (76 °F) and 27 °C (81 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 2138 mm (84.2 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually.Juntas enjoys an average of 3397 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 Juntas, Guanacaste, Costa Rica §

The warmest months in Juntas are March, April and May, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in September, October and November, when daily mean temperatures range from 25 to 25 °C (76 - 77 °F) throughout the day. On average each year, Juntas experiences 326 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 Juntas, 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 33°C
(91°F)
34°C
(94°F)
35°C
(95°F)
36°C
(97°F)
36°C
(97°F)
34°C
(94°F)
33°C
(91°F)
33°C
(93°F)
32°C
(90°F)
32°C
(89°F)
32°C
(90°F)
32°C
(90°F)
Mean maximum 32°C
(90°F)
33°C
(92°F)
34°C
(93°F)
35°C
(95°F)
34°C
(94°F)
32°C
(90°F)
32°C
(90°F)
32°C
(90°F)
32°C
(89°F)
31°C
(88°F)
31°C
(88°F)
31°C
(89°F)
Average high 30°C
(86°F)
31°C
(89°F)
32°C
(90°F)
33°C
(91°F)
31°C
(87°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
29°C
(85°F)
29°C
(84°F)
29°C
(84°F)
30°C
(86°F)
Daily mean 25°C
(78°F)
26°C
(79°F)
26°C
(80°F)
27°C
(81°F)
26°C
(79°F)
25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
25°C
(77°F)
25°C
(76°F)
25°C
(77°F)
25°C
(77°F)
Average low 21°C
(71°F)
21°C
(71°F)
22°C
(72°F)
23°C
(73°F)
23°C
(74°F)
23°C
(73°F)
23°C
(73°F)
23°C
(73°F)
22°C
(72°F)
22°C
(72°F)
22°C
(72°F)
22°C
(71°F)
Mean minimum 19°C
(67°F)
19°C
(67°F)
20°C
(68°F)
21°C
(70°F)
22°C
(72°F)
22°C
(71°F)
21°C
(71°F)
21°C
(71°F)
21°C
(71°F)
21°C
(70°F)
21°C
(69°F)
20°C
(68°F)
Minimum 17°C
(63°F)
19°C
(66°F)
19°C
(66°F)
20°C
(69°F)
21°C
(71°F)
21°C
(70°F)
21°C
(70°F)
21°C
(70°F)
21°C
(70°F)
21°C
(69°F)
20°C
(68°F)
20°C
(67°F)

Compare climate in Juntas with other places

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

Monthly average precipitation in Juntas, Guanacaste, Costa Rica §

Juntas usually has the most precipitation in June, September and October, with an average of 27 rainy days and 383 mm (15.1 inches) of precipitation per month.The driest months in Juntas are January, February and March. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Juntas, 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) 9 (0.4) 2 (0.1) 1 (0.0) 60 (2.4) 298 (11.7) 314 (12.4) 170 (6.7) 278 (11.0) 340 (13.4) 495 (19.5) 143 (5.6) 27 (1.1)
Average precipitation days (≥ 1 mm) 2 0 0 8 22 25 20 23 28 28 12 2

Monthly sunshine hours in Juntas, Guanacaste, Costa Rica §

The sunniest months in Juntas are March, April and December, when the sun shines an average of 10 hours 31 minutes a day.Least sunny months in Juntas: January, September and October receive an average of 8 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Juntas, 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 256 299 333 319 266 267 296 264 257 235 286 315
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 Juntas, Guanacaste, Costa Rica §

Juntas 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 Juntas UV Index data.

Average daily maximum UV levels by month for Juntas, 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