Measurements:
°C
°F
CURRENT WEATHER
21:20
San Jose
66°F
SW 4 mph
Feels like: 66°F
Precip: 86%
World Resorts Costa Rica San Jose Weather

7 Day Weather Forecast

04.04
sat
DAY
78°F
S 2 mph
precip
100%
NIGHT
64°F
SW 4 mph
precip
0%
04.05
sun
DAY
84°F
S 3 mph
precip
100%
NIGHT
58°F
SW 4 mph
precip
0%
04.06
mon
DAY
84°F
S 2 mph
precip
100%
NIGHT
62°F
SW 4 mph
precip
0%
04.07
tue
DAY
86°F
S 2 mph
precip
100%
NIGHT
66°F
SW 4 mph
precip
73%
04.08
wed
DAY
82°F
SW 4 mph
precip
100%
NIGHT
58°F
SW 6 mph
precip
0%
04.09
thu
DAY
86°F
SW 6 mph
precip
89%
NIGHT
62°F
SW 6 mph
precip
0%
04.10
fri
DAY
88°F
SW 5 mph
precip
100%
NIGHT
64°F
SW 6 mph
precip
84%

San Jose Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for San Jose was 30.4°F. The maximum and minimum values were 30.1°F and 31.0°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 82.6 °F
February 81.5 °F
Warmest sea temperature:
April 89.6 °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
more details