Hesperia, CA climate
Hesperia has mild winters and hot summers, with very little rain. A typical July afternoon reaches 94°, a January night drops to 36°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Hesperia feels like
Winter
Spring
Summer
Fall
Hesperia 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 | 59° | 36° | 1.9" | 0 | 5 | 0 | 44° – 54° |
| February | 60° | 37° | 2.3" | 0 | 5 | 0 | 42° – 56° |
| March | 65° | 41° | 1.1" | 0 | 4 | 0 | 46° – 60° |
| April | 71° | 44° | 0.5" | 0 | 2 | 0 | 51° – 62° |
| May | 78° | 50° | 0.2" | 0 | 1 | 0 | 56° – 71° |
| June | 88° | 57° | 0.1" | 0 | 0 | 0 | 66° – 76° |
| July | 94° | 64° | 0.2" | 0 | 1 | 0 | 73° – 83° |
| August | 94° | 63° | 0.1" | 0 | 1 | 0 | 76° – 83° |
| September | 88° | 58° | 0.2" | 0 | 1 | 0 | 69° – 77° |
| October | 77° | 49° | 0.4" | 0 | 1 | 0 | 60° – 69° |
| November | 66° | 41° | 0.5" | 0 | 2 | 0 | 46° – 59° |
| December | 58° | 35° | 1.2" | 0 | 4 | 0 | 42° – 50° |
| Year | 75° | 48° | 8.6" | 0.0" | 25 | 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 Hesperia
Hesperia gets 9 inches of rain and melted snow a year. February is the wettest month and June the driest. Rain or snow falls on about 25 days a year.
About 270 frost-free days a year
In half of years the last 32° night comes by February 28 and the first one by December 1. That leaves about 270 frost-free days for gardens, longer than 93% of U.S. towns.
Heating and cooling a home in Hesperia
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Hesperia, 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.
Hesperia and its neighbors
Hesperia borders 3 towns with climate data. January nights across them vary by 2.3°. Victorville has the coldest January nights (35°) and Apple Valley the hottest July afternoons (97°). Hesperia’s January low is 36° and its July high 94°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Hesperia 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 Hesperia averaged 1.9° warmer than the 1900s. The biggest change is in January (+2.7°). The shift is larger than in 91% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Hesperia’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 56° to 71°. August is the most reliable, staying within 7°.
Common questions about Hesperia’s climate
What is the coldest month in Hesperia?
December, with a typical high of 58° and a low of 35°.
What is the hottest month in Hesperia?
August, with a typical high of 94° and a low of 63°. About 108 days a year reach 90°.
How much snow does Hesperia get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Hesperia?
In half of years the first 32° night comes by December 1, and the last spring frost by February 28.
What is the rainiest month in Hesperia?
February, with 2.3 inches of rain and melted snow. The year totals 9 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Hesperia itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Victorville, CA (9 mi, snow) and Hesperia 2e, CA (3 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.