San Francisco in March
Find out everything about the water temperature in San Francisco in March. Average, minimum and maximum recorded temperatures as well as daily temperature in March for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in March
Minimum:
49.3 °F
Average:
55.0 °F
Maximum:
59.0 °F
Sea water temperature in San Francisco in March
In the city of San Francisco, the month of March is too cold for swimming. The minimum recorded temperature during this month was 49.3°F on March 4, 2023, with an average temperature being 55.0°F and a maximum temperature reaching 59.0°F on March 16, 2015.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Mar 1 | 54.1°F | 56.2°F | 49.8°F |
| Mar 2 | 53.9°F | 56.2°F | 49.9°F |
| Mar 3 | 53.9°F | 55.6°F | 49.5°F |
| Mar 4 | 53.9°F | 55.3°F | 49.3°F |
| Mar 5 | 53.9°F | 54.0°F | 49.9°F |
| Mar 6 | 54.1°F | 54.5°F | 50.2°F |
| Mar 7 | 54.2°F | 55.6°F | 49.5°F |
| Mar 8 | 54.3°F | 55.3°F | 49.6°F |
| Mar 9 | 54.3°F | 55.0°F | 50.1°F |
| Mar 10 | 54.5°F | 55.4°F | 50.0°F |
| Mar 11 | 54.4°F | 55.9°F | 50.6°F |
| Mar 12 | 54.7°F | 56.2°F | 50.7°F |
| Mar 13 | 54.9°F | 56.2°F | 51.0°F |
| Mar 14 | 55.2°F | 56.1°F | 52.7°F |
| Mar 15 | 55.4°F | 56.6°F | 53.2°F |
| Mar 16 | 55.3°F | 55.9°F | 52.4°F |
| Mar 17 | 55.1°F | 55.0°F | 50.7°F |
| Mar 18 | 55.3°F | 55.9°F | 52.0°F |
| Mar 19 | 55.3°F | 56.4°F | 52.7°F |
| Mar 20 | 55.6°F | 56.7°F | 53.0°F |
| Mar 21 | 55.6°F | 56.0°F | 53.1°F |
| Mar 22 | 55.5°F | 55.3°F | 53.2°F |
| Mar 23 | 55.7°F | 55.5°F | 53.5°F |
| Mar 24 | 56.0°F | 57.0°F | 53.9°F |
| Mar 25 | 56.0°F | 57.2°F | 54.2°F |
| Mar 26 | 55.9°F | 56.6°F | 54.0°F |
| Mar 27 | 55.9°F | 57.0°F | 53.2°F |
| Mar 28 | 55.9°F | 56.8°F | 52.8°F |
| Mar 29 | 55.7°F | 56.4°F | 52.5°F |
| Mar 30 | 56.0°F | 56.2°F | 52.7°F |
| Mar 31 | 56.0°F | 56.0°F | 52.6°F |
In an average year, San Francisco offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in San Francisco was recorded on August 28, 2023, reaching a 67.4°F. While the coldest temperature occurred on March 4, 2023, dipping to 49.3°F. The average readings by season are 53.7°F in Winter, 56.2°F in Spring, 60.9°F in Summer, and 60.7°F in Autumn.
The average temperature in March is slightly warmer than February's average of 53.9°F. And in April, the temperature is expected to rise further, potentially reaching an average of 56.5°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Oakland |
52.9°F
|
8mi |
| Redwood City |
53.8°F
|
22mi |
| San Jose |
53.2°F
|
42mi |
* current water temperature in this city
** straight line distance from San Francisco