Average percent of sunshine in Walnut Creek (CA)
The mean percent of sunhours during the day in Walnut Creek (California), the United States of America.
- The sun shines on average 78.0% in April making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 54.0%.
Forecast: is it sunny in Walnut Creek (CA)?
broken clouds and chance of slight rain
partly cloudy and rain
almost clear and no rain