06.08
thu
thu
Day

73°F
SW 1 mph
Precip.
64%
64%
Night

61°F
SW 5 mph
Precip.
31%
31%
07.08
fri
fri
Day

77°F
SW 4 mph
Precip.
18%
18%
Night

61°F
SW 6 mph
Precip.
28%
28%
08.08
sat
sat
Day

79°F
SW 6 mph
Precip.
17%
17%
Night

63°F
SW 6 mph
Precip.
27%
27%
09.08
sun
sun
Day

75°F
SW 6 mph
Precip.
27%
27%
Night

57°F
SW 6 mph
Precip.
18%
18%
10.08
mon
mon
Day

75°F
S 2 mph
Precip.
58%
58%
Night

61°F
SW 4 mph
Precip.
32%
32%
11.08
tue
tue
Day

81°F
SE 2 mph
Precip.
22%
22%
Night

64°F
SW 5 mph
Precip.
18%
18%
12.08
wed
wed
Day

79°F
S 2 mph
Precip.
41%
41%
Night

61°F
SW 4 mph
Precip.
28%
28%
sea water
temperature
temperature
| San Jose |
monthly
weather
weather
| San Jose |
current
weather
weather
| San Jose |
14 days
forecast
forecast
| San Jose |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.8°F.
Air temperature in San Jose, °F
Precipitation total in San Jose, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Jose
San Jose on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 20:18
August 06, thursday
2100

63°F
SW
5 mph
5 mph
August 07, friday
0000

61°F
SW
5 mph
5 mph
0300

61°F
SW
6 mph
6 mph
0600

63°F
SW
6 mph
6 mph
0900

72°F
SW
5 mph
5 mph
1200

77°F
SW
4 mph
4 mph
1500

73°F
SW
3 mph
3 mph
1800

66°F
SW
4 mph
4 mph


























