Costa Rica


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Elevation: 3021 feet     Latitude: 09 59N     Longitude: 084 12W
Köppen Classification: Tropical Monsoon Climate



Tropical monsoon climate, occasionally also known as a tropical wet climate or tropical monsoon and trade-wind littoral climate in climate classification, is a relatively rare type of climate. Tropical monsoon climates have monthly mean temperatures above 18°C (64°F) in every month of the year and feature wet and dry seasons, as Tropical savanna climates do. Unlike tropical savanna climates however, a tropical monsoon climate's driest month sees less than 60 mm (2.36 in) of precipitation. Also a tropical monsoon climate tends to see less variance in temperatures during the course of the year than a tropical savanna climate. This climate has a driest month which nearly always occurs at or soon after the "winter" solstice for that side of the equator.

The Köppen Climate Classification subtype for this climate is "Am". (Tropical Monsoon Climate).

The average temperature for the year in San Jose is 69.0°F (20.6°C). The warmest month, on average, is May with an average temperature of 71.0°F (21.7°C). The coolest month on average is January, with an average temperature of 66.0°F (18.9°C).

The highest recorded temperature in San Jose is 92.0°F (33.3°C), which was recorded in June. The lowest recorded temperature in San Jose is 49.0°F (9.4°C), which was recorded in January.

The average amount of precipitation for the year in San Jose is 70.8" (1798.3 mm). The month with the most precipitation on average is September with 12.0" (304.8 mm) of precipitation. The month with the least precipitation on average is February with an average of 0.2" (5.1 mm). There are an average of 198.0 days of precipitation, with the most precipitation occurring in September with 27.0 days and the least precipitation occurring in February with 3.0 days.

In terms of liquid precipitation, there are an average of 98.8 days of rain, with the most rain occurring in September with 18.1 days of rain, and the least rain occurring in May with 0.0 days of rain.

Koppen Chart