Walnut Creek Weather in January

January in Walnut Creek sees daytime temperatures around 14°C (57°F) and lows of 4°C (39°F) at night. With around 77 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Walnut Creek in January

Typically, you can expect about 9 days of rain this month, with 77 mm (3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Walnut Creek in January

In January, Walnut Creek sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 4°C (39°F). January is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Walnut Creek in January

The area enjoys a balanced 186 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you prefer dry days with pleasant temperatures, April, May, June, August, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Walnut Creek's climate page.

Walnut Creek Temperature in January

Min Temperature 4°C (39°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 31%  

Precipitation 77 mm (3 in)  

Rainy days 9 days  

Humidity 80% *  

Sunshine 186 hours *  

Percentage Sunshine 61% *  

* Data from: San Francisco, the United States of America (42 KM, 26 Miles).

What to Wear in Walnut Creek in January

The weather can swing between comfortable and chilly in January, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Walnut Creek in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Walnut Creek's climate page.

More climate data for Walnut Creek

Temperature Rainfall Sunshine Humidity

See the full Walnut Creek climate overview or explore weather in the United States of America.