Climate in San José
(Costa Rica)

Average daytime and nighttime temperatures

All climate diagrams on this page result from the collected data of the official weather station in San José in a height of 908m above sea level. All data correspond to the average monthly values of the last 20 years.

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San José is the coldest region in Costa Rica with an average high temperature of only 29°C. It is yearlong warm or hot.
Overview: Climate in Costa Rica
Daylengths and sun positions in Costa Rica
Compare climate with other regions or countries
Rainy days per monthRainy days per month in San José
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 23 rainy days, September offers the most number of rainy days, and in January the least.
Precipitation in mm/dayPrecipitation in San José
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 0.3 mm, the least rain falls in January. October, on the other hand, has the most rain.
Climate charts for other regions in Costa Rica

Map of San José

Most important cities in the region »San José«

As the capital region, it is arguably the most important part of Costa Rica. The region has a west-east extension of about 80 km and over 80 km from north to south.

CityPopulationGeo position
San José347,3989° 55' 60"N84° 4' 60"W
Alajuelita94,5489° 54' 6"N84° 6' 2"W
San Isidro34,8779° 22' 20"N83° 42' 14"W
Curridabat34,5869° 54' 42"N84° 2' 3"W
San Vicente de Moravia34,4479° 57' 42"N84° 2' 56"W
San Vicente34,4479° 57' 37"N84° 2' 51"W
Purral30,0349° 57' 29"N84° 1' 50"W
San Miguel28,8279° 52' 16"N84° 3' 39"W
San Pedro27,4779° 55' 42"N84° 3' 3"W
San Rafael Abajo27,4199° 49' 52"N84° 17' 24"W
Ipís26,6699° 58' 3"N84° 0' 48"W
San Juan26,0479° 57' 35"N84° 4' 54"W
Guadalupe26,0059° 56' 53"N84° 3' 24"W
Aserrí25,8749° 51' 32"N84° 5' 32"W
San Rafael25,4109° 55' 40"N84° 8' 14"W
San Felipe24,9859° 54' 18"N84° 6' 20"W
Patarrá23,9839° 52' 51"N84° 2' 6"W
Tejar22,4339° 44' 46"N84° 14' 1"W
Calle Blancos20,7109° 56' 60"N84° 4' 0"W
Colima15,8759° 57' 3"N84° 5' 6"W
San Juan de Dios15,4699° 52' 38"N84° 5' 5"W
San Rafael Arriba15,0519° 52' 32"N84° 4' 36"W
Sabanilla13,2519° 56' 43"N84° 2' 21"W
Granadilla12,6839° 56' 6"N84° 1' 1"W
Escazú12,0719° 55' 8"N84° 8' 24"W
Daniel Flores10,0289° 20' 8"N83° 40' 10"W
Santiago8,2929° 50' 47"N84° 18' 51"W
Santa Ana8,0299° 55' 57"N84° 10' 57"W
Salitrillos5,7389° 51' 9"N84° 5' 26"W
Mercedes5,4679° 15' 46"N83° 34' 55"W

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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