In Costa Rica you have several regions, one of which is called San José Province. The most popular city in this region is San José, whose climate data we'll examine to provide you with an overview of what weather to expect in San José Province. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The climate in San José Province, especially in San José, remains comfortable all year, with average temperatures ranging from 23°C (73°F) to 25°C (77°F).
Note that the warmest month in San José Province is normally April, with the temperature reaching 26°C (79°F), while January has the coolest maximum daytime temperatures, reaching 23°C (73°F).
Precipitation in San José Province varies considerably throughout the year. The wettest conditions occur in October with 489 mm (19 in) of rain, while March stays relatively dry with 60 mm (2.4 in). The region experiences its rainy season during May, June, July, August, September, October and November, when monthly rainfall can range from 319 mm (13 in) to 489 mm (19 in).
Visitors hoping to maximize their time in the sun should consider planning their trip for March, when daylight hours are at their peak.
