Current sea water temperature:
+87.3°F
| Minimum sea water temperature in March: | 88.0°F |
| Maximum sea water temperature in March: | 83.7°F |
| Average sea water temperature in March: | 85.4°F |
| more information | |
14 days
forecast
forecast
| San Jose |
monthly
weather
weather
| San Jose |
Sea water temperature for the last 10 days:
| March 17 | 87.3°F | March 12 | 86.0°F |
| March 16 | 86.4°F | March 11 | 86.4°F |
| March 15 | 86.2°F | March 10 | 85.8°F |
| March 14 | 86.2°F | March 9 | 86.2°F |
| March 13 | 86.5°F | March 8 | 86.2°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:
2025
2024
2023
The average sea water temperature in April of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 87.8°F and 86.2°F.
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 86.1°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:
2025
2024
2023
The average sea water temperature in May of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 85.1°F.
current
weather
weather
| San Jose |
weather in
March
March
| 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: 07:36
March 17, tuesday
0900
79°F
S
2 mph
2 mph
1200
84°F
SE
2 mph
2 mph
1500
75°F
SE
2 mph
2 mph
1800
64°F
SW
2 mph
2 mph
2100
63°F
SW
3 mph
3 mph
March 18, wednesday
0000
55°F
SW
4 mph
4 mph
0300
54°F
W
5 mph
5 mph
0600
52°F
W
6 mph
6 mph
