San Francisco in July
Find out everything about the water temperature in San Francisco in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:
81.5 °F
Average:
84.8 °F
Maximum:
86.3 °F
Sea water temperature in San Francisco in July
In the city of San Francisco, the month of July is a great time for swimming. The minimum recorded temperature during this month was 81.5°F on July 10, 2015, with an average temperature being 84.8°F and a maximum temperature reaching 86.3°F on July 27, 2016.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jul 1 | 85.0°F | 84.8°F | 85.1°F |
| Jul 2 | 84.9°F | 84.8°F | 85.6°F |
| Jul 3 | 85.1°F | 86.0°F | 85.7°F |
| Jul 4 | 85.0°F | 85.9°F | 85.6°F |
| Jul 5 | 84.9°F | 85.9°F | 85.4°F |
| Jul 6 | 84.7°F | 85.6°F | 85.4°F |
| Jul 7 | 84.5°F | 85.4°F | 85.2°F |
| Jul 8 | 84.5°F | 85.6°F | 85.2°F |
| Jul 9 | 84.4°F | 85.5°F | 85.1°F |
| Jul 10 | 84.3°F | 85.2°F | 85.0°F |
| Jul 11 | 84.5°F | 84.8°F | 85.2°F |
| Jul 12 | 84.8°F | 84.7°F | 85.2°F |
| Jul 13 | 85.0°F | 84.8°F | 85.2°F |
| Jul 14 | 85.0°F | 84.8°F | 85.1°F |
| Jul 15 | 85.0°F | 84.8°F | 85.1°F |
| Jul 16 | 84.9°F | 84.8°F | 84.7°F |
| Jul 17 | 84.9°F | 84.9°F | 85.1°F |
| Jul 18 | 84.8°F | 84.8°F | 85.0°F |
| Jul 19 | 84.8°F | 84.7°F | 84.9°F |
| Jul 20 | 84.7°F | 85.1°F | 84.6°F |
| Jul 21 | 84.7°F | 85.1°F | 84.6°F |
| Jul 22 | 84.6°F | 85.1°F | 84.5°F |
| Jul 23 | 84.6°F | 85.1°F | 84.6°F |
| Jul 24 | 84.8°F | 85.0°F | 84.5°F |
| Jul 25 | 84.7°F | 84.7°F | 84.5°F |
| Jul 26 | 84.8°F | 84.9°F | 84.5°F |
| Jul 27 | 84.9°F | 84.9°F | 84.5°F |
| Jul 28 | 84.9°F | 84.9°F | 84.5°F |
| Jul 29 | 84.8°F | 84.8°F | 84.5°F |
| Jul 30 | 84.8°F | 85.3°F | 84.7°F |
| Jul 31 | 84.7°F | 85.6°F | 84.9°F |
In San Francisco, the water temperature is comfortable for swimming all year round.
The warmest water in San Francisco was recorded on September 5, 2017, reaching a 86.6°F. While the coldest temperature occurred on January 18, 2015, dipping to 78.8°F. The average readings by season are 81.8°F in Winter, 82.9°F in Spring, 84.8°F in Summer, and 84.5°F in Autumn.
July's average temperature is a slight drop from June's average of 85.0°F. In August, the temperature is expected to decrease further, potentially averaging around 84.6°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| San Juan |
83.0°F
|
14mi |
| San Francisco |
83.0°F
|
27mi |
| San Jose |
83.1°F
|
29mi |
| San Francisco |
83.8°F
|
43mi |
| Trinidad |
83.8°F
|
56mi |
* current water temperature in this city
** straight line distance from San Francisco