Easton, WA climate
Easton has chilly winters and pleasant summers. A typical July afternoon reaches 77°, a January night drops to 24°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Easton feels like
Winter
Spring
Summer
Fall
Easton weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 36° | 24° | 7.2" | 23° – 36° |
| February | 40° | 24° | 4.7" | 24° – 39° |
| March | 47° | 29° | 4.1" | 33° – 45° |
| April | 54° | 33° | 2.6" | 38° – 50° |
| May | 63° | 40° | 2.0" | 46° – 56° |
| June | 69° | 46° | 1.5" | 53° – 66° |
| July | 77° | 50° | 0.6" | 56° – 68° |
| August | 78° | 50° | 0.7" | 58° – 68° |
| September | 70° | 42° | 1.5" | 53° – 61° |
| October | 57° | 34° | 4.5" | 41° – 50° |
| November | 43° | 29° | 6.9" | 31° – 41° |
| December | 35° | 24° | 7.5" | 25° – 33° |
| Year | 56° | 35° | 43.6" |
“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 Easton
Easton gets 44 inches of rain and melted snow a year. December is the wettest month and July the driest.
About 151 frost-free days a year
In half of years the last 32° night comes by May 9 and the first one by October 6. That leaves about 151 frost-free days for gardens, shorter than 80% of U.S. towns.
Heating and cooling a home in Easton
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Easton, 99% of that work is heating and 1% 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 Easton 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 Easton averaged 1.2° warmer than the 1900s. The biggest change is in January (+4.0°). The shift is larger than in 50% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Easton’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 24° to 39°. December is the most reliable, staying within 8°.
Common questions about Easton’s climate
What is the coldest month in Easton?
January, with a typical high of 36° and a low of 24°.
What is the hottest month in Easton?
August, with a typical high of 78° and a low of 50°. About 7 days a year reach 90°.
When is the first frost in Easton?
In half of years the first 32° night comes by October 6, and the last spring frost by May 9.
What is the rainiest month in Easton?
December, with 7.5 inches of rain and melted snow. The year totals 44 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Easton itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Easton, WA (1 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.