Creston, CA climate
Creston has mild winters and warm summers, with very little rain. A typical July afternoon reaches 91°, a January night drops to 35°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Creston feels like
Winter
Spring
Summer
Fall
Creston 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 | 62° | 35° | 4.3" | 0 | 9 | 0 | 44° – 53° |
| February | 63° | 37° | 4.0" | 0 | 10 | 0 | 45° – 55° |
| March | 67° | 40° | 3.4" | 0 | 9 | 0 | 47° – 59° |
| April | 72° | 41° | 1.1" | 0 | 5 | 0 | 52° – 61° |
| May | 79° | 46° | 0.4" | 0 | 2 | 0 | 58° – 68° |
| June | 86° | 50° | 0.1" | 0 | 1 | 0 | 64° – 73° |
| July | 91° | 55° | 0.0" | 0 | 0 | 0 | 69° – 77° |
| August | 92° | 54° | 0.0" | 0 | 0 | 0 | 69° – 76° |
| September | 88° | 51° | 0.1" | 0 | 1 | 0 | 66° – 73° |
| October | 80° | 45° | 0.9" | 0 | 3 | 0 | 58° – 68° |
| November | 69° | 38° | 1.5" | 0 | 5 | 0 | 46° – 57° |
| December | 61° | 34° | 3.2" | 0 | 8 | 0 | 44° – 52° |
| Year | 76° | 44° | 18.8" | 0.0" | 52 | 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 Creston
Creston gets 19 inches of rain and melted snow a year. January is the wettest month and July the driest. Rain or snow falls on about 52 days a year.
About 238 frost-free days a year
In half of years the last 32° night comes by March 15 and the first one by November 10. That leaves about 238 frost-free days for gardens, longer than 88% of U.S. towns.
Heating and cooling a home in Creston
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Creston, 77% of that work is heating and 23% 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 Creston 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 Creston averaged 1.7° warmer than the 1900s. The biggest change is in January (+2.6°). The shift is larger than in 84% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Creston’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 47° to 59°. August is the most reliable, staying within 7°.
Common questions about Creston’s climate
What is the coldest month in Creston?
December, with a typical high of 61° and a low of 34°.
What is the hottest month in Creston?
August, with a typical high of 92° and a low of 54°. About 80 days a year reach 90°.
How much snow does Creston get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Creston?
In half of years the first 32° night comes by November 10, and the last spring frost by March 15.
What is the rainiest month in Creston?
January, with 4.3 inches of rain and melted snow. The year totals 19 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Creston itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Santa Margarita Boost, CA (12 mi, snow) and Paso Robles, CA (12 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.