Whitmore, CA climate
Whitmore has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 36°, and about 4 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Whitmore feels like
Winter
Spring
Summer
Fall
Whitmore weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 54° | 36° | 6.5" | 1.4" | 11 | 1 | 40° – 52° |
| February | 56° | 37° | 6.0" | 1.0" | 10 | 0 | 39° – 54° |
| March | 61° | 40° | 5.2" | 0.4" | 10 | 0 | 41° – 58° |
| April | 67° | 44° | 3.9" | 0.3" | 8 | 0 | 48° – 60° |
| May | 77° | 50° | 2.5" | 0 | 6 | 0 | 53° – 72° |
| June | 86° | 57° | 1.1" | 0 | 3 | 0 | 66° – 78° |
| July | 95° | 63° | 0.1" | 0 | 1 | 0 | 74° – 82° |
| August | 94° | 61° | 0.1" | 0 | 1 | 0 | 73° – 82° |
| September | 88° | 56° | 0.5" | 0 | 2 | 0 | 68° – 77° |
| October | 76° | 48° | 2.2" | 0 | 4 | 0 | 57° – 69° |
| November | 60° | 40° | 3.9" | 0.3" | 8 | 0 | 41° – 56° |
| December | 52° | 35° | 6.8" | 0.5" | 11 | 0 | 40° – 48° |
| Year | 72° | 47° | 38.6" | 3.9" | 76 | 2 |
“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 Whitmore
Whitmore gets 39 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 76 days a year.
About 261 frost-free days a year
In half of years the last 32° night comes by March 3 and the first one by November 21. That leaves about 261 frost-free days for gardens, longer than 92% of U.S. towns.
Heating and cooling a home in Whitmore
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Whitmore, 56% of that work is heating and 44% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Whitmore 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 Whitmore averaged 1.0° warmer than the 1900s. The biggest change is in January (+2.1°). The shift is smaller than in 70% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Whitmore’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 53° to 72°. July is the most reliable, staying within 8°.
Common questions about Whitmore’s climate
What is the coldest month in Whitmore?
December, with a typical high of 52° and a low of 35°.
What is the hottest month in Whitmore?
July, with a typical high of 95° and a low of 63°. About 106 days a year reach 90°.
How much snow does Whitmore get?
About 4 inches in a normal winter, most of it in January.
When is the first frost in Whitmore?
In half of years the first 32° night comes by November 21, and the last spring frost by March 3.
What is the rainiest month in Whitmore?
December, with 6.8 inches of rain and melted snow. The year totals 39 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Whitmore itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Volta Ph, CA (11 mi, snow) and Redding Municipal Airport, CA (20 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.