Whitewater, CA climate
Whitewater has warm winters and scorching summers, with very little rain. A typical July afternoon reaches 101°, a January night drops to 41°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Whitewater feels like
Winter
Spring
Summer
Fall
Whitewater 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 | 66° | 41° | 2.8" | 0 | 6 | 0 | 49° – 60° |
| February | 68° | 43° | 2.9" | 0 | 6 | 0 | 48° – 62° |
| March | 73° | 47° | 1.8" | 0 | 5 | 0 | 52° – 67° |
| April | 79° | 50° | 0.6" | 0 | 3 | 0 | 59° – 68° |
| May | 86° | 56° | 0.2" | 0 | 2 | 0 | 64° – 77° |
| June | 96° | 62° | 0.0" | 0 | 0 | 0 | 72° – 83° |
| July | 101° | 68° | 0.2" | 0 | 1 | 0 | 79° – 89° |
| August | 102° | 69° | 0.1" | 0 | 1 | 0 | 82° – 89° |
| September | 95° | 64° | 0.2" | 0 | 1 | 0 | 76° – 84° |
| October | 85° | 55° | 0.5" | 0 | 2 | 0 | 66° – 76° |
| November | 74° | 46° | 0.7" | 0 | 3 | 0 | 52° – 65° |
| December | 65° | 39° | 1.8" | 0 | 5 | 0 | 47° – 58° |
| Year | 82° | 53° | 11.9" | 0.0" | 35 | 0 |
“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 Whitewater
Whitewater gets 12 inches of rain and melted snow a year. February is the wettest month and June the driest. Rain or snow falls on about 35 days a year.
About 297 frost-free days a year
In half of years the last 32° night comes by February 25 and the first one by December 15. That leaves about 297 frost-free days for gardens, longer than 95% of U.S. towns.
Heating and cooling a home in Whitewater
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Whitewater, 52% of that work is heating and 48% 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.
Whitewater and its neighbors
Whitewater borders 1 town with climate data. January nights across them vary by 3.9°. Palm Springs has both the coldest January nights (45°) and the hottest July afternoons (106°). Whitewater’s January low is 41° and its July high 101°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Whitewater 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 Whitewater averaged 2.0° warmer than the 1900s. The biggest change is in January (+2.9°). The shift is larger than in 94% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Whitewater’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 52° to 67°. August is the most reliable, staying within 7°.
Common questions about Whitewater’s climate
What is the coldest month in Whitewater?
December, with a typical high of 65° and a low of 39°.
What is the hottest month in Whitewater?
August, with a typical high of 102° and a low of 69°. About 91 days a year reach 90°.
How much snow does Whitewater get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Whitewater?
In half of years the first 32° night comes by December 15, and the last spring frost by February 25.
What is the rainiest month in Whitewater?
February, with 2.9 inches of rain and melted snow. The year totals 12 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Whitewater itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at San Jacinto, CA (19 mi, snow) and Morongo Valley N, CA (13 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.