San Diego in August
Find out everything about the water temperature in San Diego in August. Average, minimum and maximum recorded temperatures as well as daily temperature in August for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in August
Minimum:
61.9 °F
Average:
70.4 °F
Maximum:
75.8 °F
Sea water temperature in San Diego in August
In the city of San Diego, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 61.9°F on August 4, 2021, with an average temperature being 70.4°F and a maximum temperature reaching 75.8°F on August 7, 2018.
| Date | 10 years average | 2023 | 2022 |
|---|---|---|---|
| Aug 1 | 70.5°F | 70.7°F | 72.8°F |
| Aug 2 | 70.5°F | 71.3°F | 73.7°F |
| Aug 3 | 70.3°F | 71.8°F | 73.2°F |
| Aug 4 | 70.4°F | 71.5°F | 73.8°F |
| Aug 5 | 70.4°F | 70.6°F | 73.1°F |
| Aug 6 | 70.3°F | 69.4°F | 73.0°F |
| Aug 7 | 70.3°F | 69.1°F | 73.1°F |
| Aug 8 | 70.5°F | 69.8°F | 73.1°F |
| Aug 9 | 70.4°F | 69.6°F | 72.9°F |
| Aug 10 | 70.5°F | 70.0°F | 73.4°F |
| Aug 11 | 70.8°F | 70.4°F | 74.1°F |
| Aug 12 | 70.9°F | 71.3°F | 73.4°F |
| Aug 13 | 70.8°F | 71.3°F | 73.5°F |
| Aug 14 | 70.7°F | 70.2°F | 73.0°F |
| Aug 15 | 70.7°F | 69.2°F | 73.1°F |
| Aug 16 | 70.4°F | 68.3°F | 72.6°F |
| Aug 17 | 70.4°F | 66.2°F | 72.1°F |
| Aug 18 | 70.6°F | 64.3°F | 73.3°F |
| Aug 19 | 70.5°F | 64.0°F | 72.0°F |
| Aug 20 | 70.4°F | 64.1°F | 71.7°F |
| Aug 21 | 70.2°F | 64.4°F | 71.1°F |
| Aug 22 | 70.0°F | 64.3°F | 71.6°F |
| Aug 23 | 70.4°F | 64.9°F | 72.2°F |
| Aug 24 | 70.4°F | 65.7°F | 69.9°F |
| Aug 25 | 70.7°F | 66.3°F | 70.0°F |
| Aug 26 | 70.4°F | 66.2°F | 70.7°F |
| Aug 27 | 70.1°F | 65.5°F | 70.8°F |
| Aug 28 | 70.0°F | 65.6°F | 71.7°F |
| Aug 29 | 69.7°F | 64.9°F | 71.9°F |
| Aug 30 | 69.7°F | 64.5°F | 72.2°F |
| Aug 31 | 69.7°F | 65.1°F | 71.4°F |
In an average year, San Diego offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in San Diego was recorded on August 7, 2018, reaching a 75.8°F. While the coldest temperature occurred on February 25, 2023, dipping to 55.9°F. The average readings by season are 60.1°F in Winter, 61.8°F in Spring, 68.7°F in Summer, and 66.9°F in Autumn.
In August, the temperature is higher than July's average of 69.4°F and September's average of 69.4°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Tijuana |
61.3°F
|
17mi |
| Oceanside |
64.7°F
|
35mi |
| Laguna Beach |
62.7°F
|
67mi |
* current water temperature in this city
** straight line distance from San Diego