Monthly climate in La Suiza, Costa Rica

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification La Suiza features a oceanic climate (Cfb). Temperatures typically range between 16 °C (60 °F) and 18 °C (65 °F) through the year, but rarely can drop to 8 °C (47 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 2987 mm (117.6 inches) and receives 303 rainy days on the 1 mm (0.04 inches) threshold annually. La Suiza enjoys an average of 3144 hours of sunshine throughout the year, and daylight varies from 11 hours 32 minutes to 12 hours 40 minutes per day.

Monthly average temperatures in La Suiza, Costa Rica

The warmest months in La Suiza are May, June and September, with daily mean temperatures ranging from 18 to 18 °C (65 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 16 to 16 °C (60 - 61 °F) throughout the day. On average each year, La Suiza experiences 1 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 La Suiza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)
23°C
(74°F)
22°C
(72°F)
25°C
(77°F)
26°C
(79°F)
26°C
(79°F)
25°C
(77°F)
25°C
(77°F)
25°C
(78°F)
26°C
(78°F)
23°C
(74°F)
22°C
(73°F)
Mean maximum22°C
(71°F)
22°C
(71°F)
22°C
(71°F)
24°C
(76°F)
25°C
(77°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
25°C
(77°F)
24°C
(76°F)
23°C
(73°F)
22°C
(72°F)
Average high19°C
(67°F)
19°C
(67°F)
20°C
(68°F)
21°C
(71°F)
22°C
(72°F)
22°C
(73°F)
22°C
(71°F)
22°C
(72°F)
23°C
(73°F)
22°C
(72°F)
21°C
(70°F)
20°C
(68°F)
Daily mean16°C
(60°F)
16°C
(61°F)
16°C
(61°F)
17°C
(64°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
18°C
(65°F)
17°C
(64°F)
16°C
(62°F)
Average low12°C
(55°F)
12°C
(54°F)
12°C
(54°F)
14°C
(58°F)
15°C
(60°F)
15°C
(60°F)
15°C
(60°F)
15°C
(59°F)
15°C
(59°F)
15°C
(59°F)
14°C
(58°F)
13°C
(57°F)
Mean minimum10°C
(51°F)
10°C
(49°F)
10°C
(50°F)
11°C
(53°F)
13°C
(56°F)
14°C
(57°F)
14°C
(57°F)
13°C
(56°F)
13°C
(56°F)
13°C
(56°F)
12°C
(54°F)
11°C
(51°F)
Minimum9°C
(48°F)
8°C
(47°F)
9°C
(49°F)
11°C
(52°F)
12°C
(54°F)
13°C
(55°F)
13°C
(56°F)
13°C
(55°F)
13°C
(56°F)
12°C
(54°F)
12°C
(54°F)
10°C
(50°F)

Compare climate in La Suiza with other places

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

Monthly average precipitation in La Suiza, Costa Rica

La Suiza usually has the most precipitation in May, August and October, with an average of 30 rainy days and 383 mm (15.1 inches) of precipitation per month. The driest months in La Suiza are January, February and March. On average, 108 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in La Suiza. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)144 (5.7)86 (3.4)94 (3.7)153 (6.0)435 (17.1)287 (11.3)282 (11.1)292 (11.5)284 (11.2)422 (16.6)291 (11.4)218 (8.6)
Average precipitation days (≥ 1 mm)151818273029293029302721

Monthly sunshine hours in La Suiza, Costa Rica

The sunniest months in La Suiza are February, March and December, when the sun shines an average of 10 hours 8 minutes a day. Least sunny months in La Suiza: May, September and October receive an average of 7 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in La Suiza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours247296331294229242247245236227250295
Mean daily daylight hours11h 36m11h 48m12h 3m12h 20m12h 34m12h 40m12h 36m12h 24m12h 9m11h 53m11h 39m11h 32m

Solar UV radiation in La Suiza, Costa Rica

La Suiza experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure. January, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly La Suiza UV Index data.

Average daily maximum UV levels by month for La Suiza. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)131416161515151414151211