Current sea water temperature:
+79.5°F
| Minimum sea water temperature in December: | 83.3°F |
| Maximum sea water temperature in December: | 75.9°F |
| Average sea water temperature in December: | 79.5°F |
| more information | |
14 days
forecast
forecast
| San Juan del Sur |
monthly
weather
weather
| San Juan del Sur |
Sea water temperature for the last 10 days:
| December 29 | 79.5°F | December 24 | 79.7°F |
| December 28 | 79.7°F | December 23 | 80.1°F |
| December 27 | 78.6°F | December 22 | 80.2°F |
| December 26 | 78.6°F | December 21 | 80.1°F |
| December 25 | 78.4°F | December 20 | 81.1°F |
Monthly sea water temperature, °F
When is the warmest sea in San Juan del Sur?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Juan del Sur was noticed in September, October and June.
Monthly Sea Temperatures in San Juan del Sur, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.7°F. The highest and lowest sea temperatures during the month were 84.9°F and 82.8°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.1°F and 83.7°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.6°F.
current
weather
weather
| San Juan del Sur |
weather in
January
January
| San Juan del Sur |
Best time for vacation in San Juan del Sur
San Juan del Sur on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Juan del Sur
Local time: 11:04
December 29, monday
1200
82°F
SW
20 mph
20 mph
1500
82°F
W
17 mph
17 mph
1800
79°F
SW
21 mph
21 mph
2100
77°F
SW
21 mph
21 mph
December 30, tuesday
0000
75°F
SW
20 mph
20 mph
0300
75°F
SW
20 mph
20 mph
0600
75°F
SW
21 mph
21 mph
0900
79°F
SW
24 mph
24 mph
