Ahwahnee, CA climate
Ahwahnee has mild winters and hot summers. A typical July afternoon reaches 96°, a January night drops to 35°, and about 3 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Ahwahnee feels like
Winter
Spring
Summer
Fall
Ahwahnee 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 | 56° | 35° | 5.7" | 0.2" | 9 | 0 | 41° – 53° |
| February | 58° | 37° | 4.9" | 0.6" | 9 | 0 | 41° – 55° |
| March | 63° | 40° | 4.4" | 1.4" | 8 | 0 | 43° – 59° |
| April | 68° | 43° | 2.3" | 0 | 5 | 0 | 49° – 61° |
| May | 77° | 50° | 1.2" | 0 | 4 | 0 | 53° – 72° |
| June | 88° | 57° | 0.3" | 0 | 1 | 0 | 65° – 78° |
| July | 96° | 64° | 0.0" | 0 | 0 | 0 | 75° – 83° |
| August | 95° | 63° | 0.0" | 0 | 0 | 0 | 75° – 83° |
| September | 89° | 56° | 0.2" | 0 | 1 | 0 | 68° – 77° |
| October | 77° | 48° | 1.5" | 0 | 3 | 0 | 58° – 68° |
| November | 64° | 40° | 2.5" | 0 | 5 | 0 | 42° – 58° |
| December | 55° | 35° | 4.8" | 0.3" | 7 | 0 | 41° – 50° |
| Year | 74° | 47° | 27.9" | 2.5" | 51 | 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 Ahwahnee
Ahwahnee gets 28 inches of rain and melted snow a year. January is the wettest month and August the driest. Rain or snow falls on about 51 days a year.
About 192 frost-free days a year
In half of years the last 32° night comes by April 24 and the first one by November 4. That leaves about 192 frost-free days for gardens, longer than 66% of U.S. towns.
Heating and cooling a home in Ahwahnee
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Ahwahnee, 75% of that work is heating and 25% 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 Ahwahnee 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 Ahwahnee averaged 1.5° warmer than the 1900s. The biggest change is in January (+2.4°). The shift is larger than in 72% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Ahwahnee’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 Ahwahnee’s climate
What is the coldest month in Ahwahnee?
December, with a typical high of 55° and a low of 35°.
What is the hottest month in Ahwahnee?
July, with a typical high of 96° and a low of 64°. About 89 days a year reach 90°.
How much snow does Ahwahnee get?
About 3 inches in a normal winter, most of it in March.
When is the first frost in Ahwahnee?
In half of years the first 32° night comes by November 4, and the last spring frost by April 24.
What is the rainiest month in Ahwahnee?
January, with 5.7 inches of rain and melted snow. The year totals 28 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Ahwahnee itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Coarsegold 1 Sw, CA (8 mi, snow) and North Fk Rs, CA (15 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.