Willow Creek, CA climate
Willow Creek has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 91°, a January night drops to 36°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Willow Creek feels like
Winter
Spring
Summer
Fall
Willow Creek weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 52° | 36° | 9.5" | 40° – 49° |
| February | 56° | 37° | 7.6" | 41° – 51° |
| March | 62° | 38° | 7.1" | 45° – 55° |
| April | 67° | 40° | 4.2" | 50° – 59° |
| May | 75° | 45° | 2.2" | 54° – 65° |
| June | 83° | 49° | 0.7" | 62° – 72° |
| July | 91° | 54° | 0.1" | 68° – 76° |
| August | 91° | 53° | 0.1" | 69° – 75° |
| September | 86° | 49° | 0.6" | 64° – 71° |
| October | 73° | 43° | 3.0" | 54° – 63° |
| November | 57° | 39° | 6.3" | 42° – 52° |
| December | 49° | 35° | 11.1" | 38° – 48° |
| Year | 70° | 43° | 52.6" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Willow Creek
Willow Creek gets 53 inches of rain and melted snow a year. December is the wettest month and July the driest.
How Willow Creek compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Willow Creek averaged 1.4° warmer than the 1900s. The biggest change is in January (+2.4°). The shift is larger than in 66% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Willow Creek’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. May swings the most: between 1991 and 2020 its average temperature ranged from 54° to 65°. August is the most reliable, staying within 6°.
Common questions about Willow Creek’s climate
What is the coldest month in Willow Creek?
December, with a typical high of 49° and a low of 35°.
What is the hottest month in Willow Creek?
July, with a typical high of 91° and a low of 54°.
What is the rainiest month in Willow Creek?
December, with 11.1 inches of rain and melted snow. The year totals 53 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Willow Creek itself (about a 3-mile square). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.