27.06
sat
sat
Day
82°F
SW 5 mph
Precip.
36%
36%
Night
66°F
SW 6 mph
Precip.
23%
23%
28.06
sun
sun
Day
81°F
SW 7 mph
Precip.
8%
8%
Night
61°F
SW 6 mph
Precip.
19%
19%
29.06
mon
mon
Day
79°F
SW 4 mph
Precip.
36%
36%
Night
66°F
SW 5 mph
Precip.
18%
18%
30.06
tue
tue
Day
82°F
SW 3 mph
Precip.
36%
36%
Night
66°F
SW 5 mph
Precip.
16%
16%
01.07
wed
wed
Day
77°F
SW 4 mph
Precip.
57%
57%
Night
66°F
SW 4 mph
Precip.
31%
31%
02.07
thu
thu
Day
79°F
S 2 mph
Precip.
57%
57%
Night
66°F
SW 5 mph
Precip.
35%
35%
03.07
fri
fri
Day
81°F
SW 4 mph
Precip.
43%
43%
Night
63°F
SW 5 mph
Precip.
30%
30%
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 June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 85.8°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.0°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: 05:06
June 27, saturday
0600
64°F
SW
6 mph
6 mph
0900
77°F
SW
4 mph
4 mph
1200
82°F
SW
5 mph
5 mph
1500
77°F
SW
6 mph
6 mph
1800
68°F
SW
6 mph
6 mph
2100
66°F
SW
6 mph
6 mph
June 28, sunday
0000
66°F
SW
6 mph
6 mph
0300
64°F
SW
7 mph
7 mph
