Climate in Alajuela
(Costa Rica)

Average daytime and nighttime temperatures

All climate diagrams on this page come from the collected data of the official weather station in Alajuela 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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Overview: Climate in Costa Rica
Daylengths and sun positions in Costa Rica
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Rain days per month
A rain day is a day on which at least 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 rain days, September offers the most rain days, while January has the fewest.
Precipitation amount in mm/day
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 0.2 mm, the least amount of rain falls in January. October, on the other hand, has the most rain.
Climate charts for other regions in Costa Rica

Map of Alajuela

Most important cities in the region »Alajuela«

Alone 2 cities with over 200,000 inhabitants are located here. The region has a west-east extension of about 100 km and over 130 km from north to south.

CityPopulationGeo position
Alajuela321,87210° 0' 58"N84° 12' 42"W
Desamparados249,3679° 56' 50"N84° 30' 23"W
San José31,43010° 57' 6"N85° 8' 10"W
Quesada27,31010° 19' 26"N84° 25' 38"W
San Rafael17,64910° 3' 50"N84° 28' 4"W
Naranjo11,85310° 5' 55"N84° 22' 42"W
San Ramón10,76510° 5' 17"N84° 28' 13"W
Río Segundo9,85310° 14' 29"N84° 16' 46"W
San Juan7,72910° 6' 9"N84° 19' 1"W
Atenas7,0149° 58' 30"N84° 22' 44"W
Orotina6,1359° 54' 43"N84° 31' 24"W
Carrillos4,25810° 1' 45"N84° 16' 27"W
Upala4,18510° 53' 53"N85° 0' 52"W
San Rafael3,62410° 3' 51"N84° 28' 22"W
Zarcero3,55910° 11' 8"N84° 23' 27"W
Los Chiles3,34211° 1' 60"N84° 43' 0"W
La Fortuna3,01010° 28' 15"N84° 38' 43"W
Pocosol2,94710° 22' 0"N84° 37' 0"W
Santiago2,10710° 1' 22"N84° 26' 39"W
Pital2,04610° 27' 2"N84° 16' 27"W
Esquipulas1,51210° 3' 24"N84° 25' 24"W
Bijagua1,09010° 43' 58"N85° 3' 24"W
Sabanilla1,01510° 4' 27"N84° 12' 56"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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