San Jose Weather in January
Thinking of visiting San Jose in January? Expect moderate temperatures reaching 16°C (61°F) during the day, dropping to 5°C (41°F) at night, with some rainfall likely.
Rainfall in San Jose in January
Typically, about 10 days will experience rainfall, with an average of 51 mm (2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in San Jose in January
Daytime temperatures in San Jose reach 16°C (61°F) in January, dropping to 5°C (41°F) at night. During January, the winter season is in full swing. Conditions are often most pleasant around the middle of the day. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in San Jose in January
The month brings about 186 hours of sunlight, offering a comfortable mix of sun and overcast.January in San Jose has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Jose's climate page.
San Jose Temperature in January
Min Temperature
5°C (41°F)
Max Temperature
16°C (61°F)
Chance of Rain
33%
Precipitation
51 mm (2 in)
Rainy days
10 days
Humidity
80% *
Sunshine
186 hours *
Percentage Sunshine
61% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Jose in January
Pack for changing conditions in San Jose in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in San Jose in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Jose's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Jose climate overview or explore weather in the United States of America.
