Measurements:
°C
°F
CURRENT WEATHER
08:26
San Jose
78°F
SW 3 mph
Feels like: 82°F
Precip: 88%
World Resorts Costa Rica San Jose Weather

7 Day Weather Forecast

05.06
wed
DAY
80°F
S 2 mph
precip
100%
NIGHT
64°F
W 3 mph
precip
0%
05.07
thu
DAY
78°F
S 2 mph
precip
100%
NIGHT
60°F
W 3 mph
precip
0%
05.08
fri
DAY
82°F
S 2 mph
precip
100%
NIGHT
64°F
SW 4 mph
precip
0%
05.09
sat
DAY
84°F
S 2 mph
precip
100%
NIGHT
62°F
SW 4 mph
precip
0%
05.10
sun
DAY
84°F
SW 4 mph
precip
100%
NIGHT
60°F
W 5 mph
precip
0%
05.11
mon
DAY
84°F
SW 4 mph
precip
88%
NIGHT
64°F
SW 6 mph
precip
0%
05.12
tue
DAY
80°F
SW 5 mph
precip
100%
NIGHT
60°F
SW 6 mph
precip
0%

San Jose Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for San Jose was 29.9°F. The maximum and minimum values were 29.5°F and 30.4°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
February 13 days
January 12 days
March 11 days
The most warm months:
March 83.2 °F
April 82.4 °F
February 81.5 °F
Warmest sea temperature:
April 89.7 °F
March 89.4 °F
May 89.0 °F
The most cold months:
November 76.1 °F
October 76.4 °F
July 77.6 °F
The most rainy months:
October 25 days
June 25 days
September 25 days
The most windy months:
February 6 mph
January 6 mph
March 5 mph
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