San Jose in January
Find out everything about the water temperature in San Jose in January. Average, minimum and maximum recorded temperatures as well as daily temperature in January for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in January
Minimum:
51.3 °F
Average:
53.2 °F
Maximum:
56.0 °F
Sea water temperature in San Jose in January
In the city of San Jose, the month of January is too cold for swimming. The minimum recorded temperature during this month was 51.3°F on January 5, 2017, with an average temperature being 53.2°F and a maximum temperature reaching 56.0°F on January 26, 2015.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jan 1 | 53.3°F | 54.6°F | 51.8°F |
| Jan 2 | 53.4°F | 55.0°F | 52.6°F |
| Jan 3 | 53.2°F | 54.9°F | 52.7°F |
| Jan 4 | 53.1°F | 54.6°F | 52.6°F |
| Jan 5 | 52.4°F | 53.7°F | 52.1°F |
| Jan 6 | 52.6°F | 53.8°F | 52.3°F |
| Jan 7 | 52.8°F | 53.2°F | 52.4°F |
| Jan 8 | 52.8°F | 53.2°F | 52.5°F |
| Jan 9 | 53.0°F | 53.2°F | 52.7°F |
| Jan 10 | 53.2°F | 53.3°F | 52.8°F |
| Jan 11 | 53.2°F | 53.2°F | 52.9°F |
| Jan 12 | 53.2°F | 53.0°F | 52.9°F |
| Jan 13 | 53.2°F | 53.0°F | 52.9°F |
| Jan 14 | 53.2°F | 52.9°F | 52.9°F |
| Jan 15 | 53.3°F | 52.9°F | 52.9°F |
| Jan 16 | 53.3°F | 52.9°F | 52.9°F |
| Jan 17 | 53.5°F | 52.9°F | 52.9°F |
| Jan 18 | 53.5°F | 53.2°F | 52.6°F |
| Jan 19 | 53.6°F | 53.3°F | 52.3°F |
| Jan 20 | 53.6°F | 53.3°F | 52.3°F |
| Jan 21 | 53.5°F | 53.2°F | 52.2°F |
| Jan 22 | 53.4°F | 53.2°F | 52.0°F |
| Jan 23 | 53.3°F | 53.1°F | 52.2°F |
| Jan 24 | 53.3°F | 53.2°F | 51.7°F |
| Jan 25 | 53.1°F | 53.1°F | 51.5°F |
| Jan 26 | 53.2°F | 53.7°F | 51.4°F |
| Jan 27 | 53.2°F | 53.7°F | 51.5°F |
| Jan 28 | 53.1°F | 53.6°F | 51.7°F |
| Jan 29 | 53.1°F | 53.8°F | 51.8°F |
| Jan 30 | 53.0°F | 54.0°F | 51.8°F |
| Jan 31 | 53.0°F | 53.9°F | 51.4°F |
In an average year, San Jose offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in San Jose was recorded on October 7, 2024, reaching a 73.9°F. While the coldest temperature occurred on February 9, 2023, dipping to 50.8°F. The average readings by season are 54.0°F in Winter, 57.6°F in Spring, 63.3°F in Summer, and 61.8°F in Autumn.
January's temperature is a dip compared to warmer December at 55.0°F and February at 53.9°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Redwood City |
55.5°F
|
21mi |
| Oakland |
54.3°F
|
38mi |
| San Francisco |
53.6°F
|
42mi |
| Monterey |
53.8°F
|
51mi |
* current water temperature in this city
** straight line distance from San Jose