San Jose Weather in January

January in San Jose typically sees daytime highs of 16°C (61°F) and nighttime lows of 11°C (52°F). Expect some rainfall during the month. It falls within the winter season.

Rainfall in San Jose in January

Past climate data indicates that roughly 14 days will see rain, totalling around 34 mm (1.3 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in San Jose in January

In January, San Jose sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 11°C (52°F). The winter season is characteristic of January. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. The temperatures this month are milder, providing a comfortable and warm experience.

Sunshine in San Jose in January

You can expect a moderate amount of sunlight, with approximately 164 hours. This means a pleasant mix of sun and overcast.

Average water temperature in January

At 15°C (59°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, September, October and November typically offer the best weather for San Jose.