Spring
72°F / 50°F
March, April, May: about 3.9 in of rain.
Plan a visit
Best time to visit Walnut Creek
May, June, October bring mild highs and the least rain.
Best time to visit
May · June · October
Highs between 65°F and 85°F with the least rain of the year. Hottest: July (88°F). Coldest nights: December (41°F). Wettest: January.
Walnut Creek by season
Month-by-month planner
| Month | Weather | High / low | Rain | Local guides |
|---|---|---|---|---|
| January | Wet | 58°F / 41°F | 3.2 in | |
| February | Wet | 62°F / 44°F | 3.2 in | Valentine’s Day |
| March | Great | 67°F / 47°F | 2.3 in | St. Patrick’s Day |
| April | Great | 71°F / 49°F | 1.1 in | |
| May | Great | 78°F / 53°F | 0.50 in | |
| June | Great | 84°F / 57°F | 0.20 in | Fourth of July |
| July | Hot | 88°F / 59°F | 0.00 in | Fourth of July |
| August | Good | 88°F / 59°F | 0.00 in | |
| September | Good | 85°F / 58°F | 0.10 in | Halloween |
| October | Great | 78°F / 53°F | 0.70 in | Halloween |
| November | Great | 66°F / 45°F | 1.6 in | Halloween, Thanksgiving, Christmas |
| December | Wet | 58°F / 41°F | 3.2 in | Christmas, New Year’s Eve |
“Great” means highs between 65°F and 85°F with fewer than 10 wet days. Averages are NOAA’s 1991–2020 normals for the Concord Buchanan Fld station, not a forecast.
See Walnut Creek before you go
A DRIVE AROUND TOWN
Walnut Creek - California - 4K Downtown Drive
Walnut Creek - California - 4K Downtown Drive. A film shared by Mileage Mike Travels.
Watch on YouTube ↗Questions
What is the best month to visit Walnut Creek?
May, June, October: highs between 65°F and 85°F with the least rain.
What is the hottest month in Walnut Creek?
July, averaging 88°F highs.
What is the coldest month in Walnut Creek?
December, with average lows of 41°F.
What is the rainiest month in Walnut Creek?
January, averaging 3.2 in of precipitation.
When are the big holidays in Walnut Creek?
See the local guides: Halloween (October), Thanksgiving (November), Christmas lights (late November to December), New Year’s Eve.