SAN JOSE

Weather & Climate

Weather & Climate in San Jose

Climate

San José City lies in the Tropics and is in a tropical rainforest. However its elevation gives it a mild climate.

The temperature ranges between 17 and 30 °C (63 and 86 °F).

Relative humidity averages 68.2% (with extremes of 55% in March and 78% in October) and the daily range tends to be between 60% and 90%, with the humidity typically dropping to the lower end of this range near mid-day and rising again during the night. It rains on an average of 170 days per year but half the rainfall pours down on only 15 of these days. 

The rainy season is from May to mid-November, but cloudiness and rainfall can occur during the dry season.

There are approximately 2440 hours of sunshine per year. 

Climate data for San José, Costa Rica

MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Average high °C (°F)26.0
(78.8)
26.8
(80.2)
27.9
(82.2)
28.4
(83.1)
27.6
(81.7)
27.0
(80.6)
26.9
(80.4)
27.0
(80.6)
26.9
(80.4)
26.5
(79.7)
26.2
(79.2)
25.9
(78.6)
26.92
(80.46)
Daily mean °C (°F)21.8
(71.2)
22.2
(72)
22.8
(73)
23.0
(73.4)
22.2
(72)
21.7
(71.1)
22.0
(71.6)
21.8
(71.2)
21.3
(70.3)
21.2
(70.2)
21.6
(70.9)
21.8
(71.2)
21.95
(71.51)
Average low °C (°F)17.8
(64)
18.0
(64.4)
18.1
(64.6)
18.8
(65.8)
19.0
(66.2)
18.9
(66)
19.0
(66.2)
18.8
(65.8)
18.2
(64.8)
18.2
(64.8)
18.6
(65.5)
18.3
(64.9)
18.47
(65.25)
Source #1: HKO

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