Current Sea Water Temperature:
+88.4°F
| Maximum Sea Water Temperature in September: | 90.0°F |
| Minimum Sea Water Temperature in September: | 86.2°F |
| Average water temperature in September: | 88.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 23 | 88.4°F | September 18 | 87.6°F |
| September 22 | 88.2°F | September 17 | 88.4°F |
| September 21 | 88.2°F | September 16 | 87.8°F |
| September 20 | 87.8°F | September 15 | 88.8°F |
| September 19 | 86.6°F | September 14 | 88.6°F |
When is the Warmest Sea for San Juan del Sur?
According to our data for the last three years for San Juan del Sur the highest average sea water temperature was in September, October and June.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2026 for San Juan del Sur was 88.1°F. The maximum and minimum values were 86.6°F and 88.8°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for San Juan del Sur was 88.1°F. The maximum and minimum values were 87.4°F and 89.0°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for San Juan del Sur was 88.1°F. The maximum and minimum values were 85.2°F and 89.4°F respectively.
Nicaragua Resorts:
NAME
F°
| Apoyo Lake |  |
+78 |
| Ciudad Sandino | |
+80 |
| Corn Islands | |
+86 |
| El Transito |  |
+80 |
| Granada | |
+78 |
| Isla de Ometepe | |
+82 |
| Las Salinas | |
+84 |
| Leon | |
+78 |
| Managua | |
+80 |
| Masachapa | |
+80 |
| Masaya | |
+78 |
| Pochomil | |
+80 |
| San Diego | |
+80 |
| San Juan del Sur | |
+82 |
| Somoto | |
+74 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Juan del Sur
Local time: 04:54
23 sep, wednesday
| 0600 |  |
82°F | NW 2 mph |
| 0900 | |
84°F | W 4 mph |
| 1200 | |
86°F | W 5 mph |
| 1500 | |
86°F | W 5 mph |
| 1800 | |
84°F | NE 7 mph |
| 2100 |  |
82°F | NE 6 mph |
24 sep, thursday
| 0000 | |
82°F | N 4 mph |
| 0300 | |
82°F | S 2 mph |