Fort Jones, CA climate
Fort Jones has mild winters and warm summers, with very little rain. A typical July afternoon reaches 91°, a January night drops to 29°, and about 12 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade14° warmer than normal today. The forecast high is 90°, and a typical Oct 1 in Fort Jones peaks around 76°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Fort Jones feels like
Winter
Spring
Summer
Fall
Fort Jones 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 | 46° | 29° | 3.6" | 4.3" | 13 | 2 | 32° – 43° |
| February | 51° | 30° | 2.5" | 2.6" | 10 | 1 | 34° – 47° |
| March | 57° | 32° | 2.3" | 0.4" | 11 | 0 | 37° – 51° |
| April | 63° | 35° | 1.4" | 0.2" | 9 | 0 | 44° – 54° |
| May | 72° | 42° | 1.1" | 0 | 8 | 0 | 49° – 65° |
| June | 81° | 48° | 0.6" | 0 | 4 | 0 | 60° – 73° |
| July | 91° | 55° | 0.4" | 0 | 3 | 0 | 64° – 78° |
| August | 90° | 53° | 0.3" | 0 | 2 | 0 | 68° – 76° |
| September | 83° | 47° | 0.3" | 0 | 2 | 0 | 61° – 70° |
| October | 69° | 39° | 1.2" | 0 | 5 | 0 | 49° – 60° |
| November | 53° | 33° | 2.4" | 1.5" | 11 | 1 | 34° – 49° |
| December | 44° | 28° | 3.9" | 2.6" | 13 | 1 | 33° – 40° |
| Year | 67° | 39° | 20.1" | 11.6" | 91 | 5 |
“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 Fort Jones
Fort Jones gets 20 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 91 days a year. Snow covers the ground about 5 days of the year.
About 169 frost-free days a year
In half of years the last 32° night comes by April 30 and the first one by October 18. That leaves about 169 frost-free days for gardens, shorter than 62% of U.S. towns.
Heating and cooling a home in Fort Jones
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fort Jones, 86% of that work is heating and 14% is cooling, so the furnace matters far more than the air conditioner.
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 Fort Jones 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 Fort Jones averaged 1.7° warmer than the 1900s. The biggest change is in January (+3.1°). The shift is larger than in 83% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Fort Jones’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 49° to 65°. December is the most reliable, staying within 7°.
Common questions about Fort Jones’s climate
What is the coldest month in Fort Jones?
December, with a typical high of 44° and a low of 28°.
What is the hottest month in Fort Jones?
July, with a typical high of 91° and a low of 55°. About 67 days a year reach 90°.
How much snow does Fort Jones get?
About 12 inches in a normal winter, most of it in January.
When is the first frost in Fort Jones?
In half of years the first 32° night comes by October 18, and the last spring frost by April 30.
What is the rainiest month in Fort Jones?
December, with 3.9 inches of rain and melted snow. The year totals 20 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Fort Jones itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Yreka, CA (12 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.