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Monthly climate in Miramar, Costa Rica

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Miramar features a tropical savanna climate (Aw). Temperatures typically range between 25 °C (77 °F) and 27 °C (81 °F) through the year, but rarely can drop to 20 °C (68 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 3271 mm (128.8 inches) and receives 273 rainy days on the 1 mm (0.04 inches) threshold annually. Miramar enjoys an average of 3300 hours of sunshine throughout the year, and daylight varies from 11 hours 32 minutes to 12 hours 41 minutes per day.

Monthly average temperatures in Miramar, Costa Rica

The warmest months in Miramar are February, March and April, 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 (77 - 77 °F) throughout the day. On average each year, Miramar experiences 327 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 Miramar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		33°C
(91°F)		31°C
(88°F)		31°C
(87°F)		31°C
(87°F)		30°C
(87°F)		30°C
(86°F)		29°C
(85°F)		30°C
(86°F)		31°C
(89°F)
Mean maximum31°C
(88°F)		32°C
(90°F)		33°C
(91°F)		31°C
(89°F)		30°C
(86°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)
Average high29°C
(85°F)		31°C
(87°F)		31°C
(88°F)		29°C
(85°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		27°C
(81°F)		28°C
(82°F)		28°C
(83°F)
Daily mean26°C
(78°F)		26°C
(80°F)		27°C
(81°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)
Average low23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Mean minimum21°C
(71°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)
Minimum20°C
(69°F)		20°C
(68°F)		21°C
(71°F)		21°C
(71°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)

Compare climate in Miramar with other places

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

Monthly average precipitation in Miramar, Costa Rica

Miramar usually has the most precipitation in May, September and October, with an average of 30 rainy days and 496 mm (19.5 inches) of precipitation per month. The driest months in Miramar are January, February and March. On average, 21 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Miramar. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)29 (1.1)14 (0.5)20 (0.8)147 (5.8)424 (16.7)421 (16.6)365 (14.4)421 (16.6)422 (16.6)643 (25.3)275 (10.8)89 (3.5)
Average precipitation days (≥ 1 mm)845253130303130302920

Monthly sunshine hours in Miramar, Costa Rica

The sunniest months in Miramar are March, April and December, when the sun shines an average of 10 hours 23 minutes a day. Least sunny months in Miramar: August, September and October receive an average of 7 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Miramar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours257298331313261259266246250230272310
Mean daily daylight hours11h 36m11h 47m12h 3m12h 20m12h 34m12h 41m12h 37m12h 25m12h 9m11h 52m11h 39m11h 32m

Solar UV radiation in Miramar, Costa Rica

Miramar 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 Miramar UV Index data.

Average daily maximum UV levels by month for Miramar. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111314141414131313131110