Current sea water temperature:
+82.9°F
| Minimum sea water temperature in December: | 86.9°F |
| Maximum sea water temperature in December: | 81.3°F |
| Average sea water temperature in December: | 83.2°F |
| more information | |
14 days
forecast
forecast
| Jaco |
monthly
weather
weather
| Jaco |
Sea water temperature for the last 10 days:
| December 14 | 82.9°F | December 9 | 83.3°F |
| December 13 | 83.1°F | December 8 | 83.5°F |
| December 12 | 82.9°F | December 7 | 83.1°F |
| December 11 | 83.3°F | December 6 | 83.1°F |
| December 10 | 82.9°F | December 5 | 82.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Jaco?
Based on the data about daily sea water temperature for the last three years the warmest sea in Jaco was noticed in April, May and March.
Monthly Sea Temperatures in Jaco, °F
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 87.3°F and 86.0°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 84.9°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.5°F and 84.6°F.
current
weather
weather
| Jaco |
weather in
December
December
| Jaco |
Best time for vacation in Jaco
Jaco on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Jaco
Local time: 00:44
December 15, monday
0300
77°F
SW
2 mph
2 mph
0600
77°F
SW
6 mph
6 mph
0900
81°F
SW
2 mph
2 mph
1200
81°F
NW
6 mph
6 mph
1500
81°F
NW
10 mph
10 mph
1800
77°F
NW
9 mph
9 mph
2100
77°F
W
7 mph
7 mph
December 16, tuesday
0000
77°F
W
6 mph
6 mph
