Current Sea Water Temperature:
+84.6°F
| Maximum Sea Water Temperature in December: | 87.8°F |
| Minimum Sea Water Temperature in December: | 83.0°F |
| Average water temperature in December: | 85.0°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| December 05 | 84.6°F | November 30 | 83.8°F |
| December 04 | 84.4°F | November 29 | 84.0°F |
| December 03 | 84.8°F | November 28 | 84.0°F |
| December 02 | 84.2°F | November 27 | 84.4°F |
| December 01 | 84.2°F | November 26 | 84.4°F |
When is the Warmest Sea for San Diego?
According to our data for the last three years for San Diego the highest average sea water temperature was in September, October and August.
Average Water Temperature by Month, °F
Sea Water Temperature in September
The average sea surface temperature in September 2025 for San Diego was 88.7°F. The maximum and minimum values were 87.8°F and 89.8°F respectively.
Sea Water Temperature in October
The average sea surface temperature in October 2025 for San Diego was 88.2°F. The maximum and minimum values were 87.6°F and 89.2°F respectively.
Sea Water Temperature in August
The average sea surface temperature in August 2025 for San Diego was 88.1°F. The maximum and minimum values were 87.2°F and 89.6°F respectively.
Nicaragua Resorts:
NAME
F°
| Apoyo Lake |  |
+70 |
| Ciudad Sandino | |
+70 |
| Corn Islands |  |
+84 |
| El Transito |  |
+80 |
| Granada | |
+74 |
| Isla de Ometepe | |
+78 |
| Las Salinas | |
+76 |
| Leon | |
+74 |
| Managua | |
+70 |
| Masachapa | |
+80 |
| Masaya | |
+72 |
| Pochomil | |
+80 |
| San Diego | |
+80 |
| San Juan del Sur | |
+78 |
| Somoto | |
+60 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Diego
Local time: 01:58
05 dec, friday
| 0300 |  |
80°F | W 12 mph |
| 0600 |  |
78°F | W 9 mph |
| 0900 | |
86°F | W 11 mph |
| 1200 |  |
92°F | W 9 mph |
| 1500 | |
92°F | W 9 mph |
| 1800 |  |
84°F | W 8 mph |
| 2100 | |
82°F | W 11 mph |
06 dec, saturday
| 0000 | |
82°F | W 9 mph |