Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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.
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% *
* Data from: San Francisco, the United States of America (53 KM, 32 Miles).
San Jose Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Jose - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
San Jose 3-Day Forecast
More climate data for San Jose
Temperature Rainfall Sunshine Humidity
See the full San Jose climate overview or explore weather in the United States of America.
Popular in January
Where to go in January - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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