Current sea water temperature:
+86.9°F
| Minimum sea water temperature in October: | 87.6°F |
| Maximum sea water temperature in October: | 80.4°F |
| Average sea water temperature in October: | 83.3°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| October 26 | 86.9°F | October 21 | 86.7°F |
| October 25 | 86.9°F | October 20 | 86.9°F |
| October 24 | 86.7°F | October 19 | 86.4°F |
| October 23 | 87.4°F | October 18 | 86.7°F |
| October 22 | 87.6°F | October 17 | 86.4°F |
Monthly sea water temperature, °F
When is the warmest sea in San Jose?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Jose was noticed in April, March and May.
Monthly Sea Temperatures in San Jose, °F
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.5°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.5°F.
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.6°F.
current
weather
weather
| San Jose |
weather in
October
October
| San Jose |
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: 18:58
October 26, monday
2100
64°F
SW
2 mph
2 mph
October 27, tuesday
0000
64°F
SW
2 mph
2 mph
0300
61°F
SW
3 mph
3 mph
0600
61°F
W
4 mph
4 mph
0900
75°F
SW
2 mph
2 mph
1200
77°F
SE
2 mph
2 mph
1500
70°F
SE
1 mph
1 mph
1800
66°F
SW
2 mph
2 mph
