Measurements:
°C
°F
CURRENT WEATHER
01:56
San Jose
60°F
SW 6 mph
Feels like: 60°F
Precip: 20%
World Resorts Costa Rica San Jose Weather

7 Day Weather Forecast

08.10
mon
DAY
82°F
SW 6 mph
precip
17%
NIGHT
62°F
SW 5 mph
precip
21%
08.11
tue
DAY
82°F
SW 2 mph
precip
57%
NIGHT
66°F
SW 5 mph
precip
17%
08.12
wed
DAY
80°F
S 2 mph
precip
48%
NIGHT
64°F
SW 4 mph
precip
28%
08.13
thu
DAY
82°F
SW 3 mph
precip
21%
NIGHT
62°F
SW 4 mph
precip
20%
08.14
fri
DAY
78°F
SW 4 mph
precip
49%
NIGHT
66°F
SW 5 mph
precip
22%
08.15
sat
DAY
72°F
SW 5 mph
precip
24%
NIGHT
64°F
SW 2 mph
precip
25%
08.16
sun
DAY
74°F
S 2 mph
precip
68%
NIGHT
64°F
SW 2 mph
precip
49%

San Jose Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for San Jose was 29.1°F. The maximum and minimum values were 28.8°F and 29.6°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 89.1 °F
The most cold months:
November 76.1 °F
October 76.4 °F
July 77.6 °F
The most rainy months:
October 25 days
September 25 days
June 24 days
The most windy months:
February 6 mph
January 6 mph
March 5 mph
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