Grays River, WA climate
Grays River has mild winters and cool summers, with plenty of rain. A typical July afternoon reaches 74°, a January night drops to 35°, and about 2 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade6° warmer than normal today. The forecast high is 72°, and a typical Oct 1 in Grays River peaks around 66°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Grays River feels like
Winter
Spring
Summer
Fall
Grays River 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 | 48° | 35° | 13.6" | 1.5" | 20 | 0 | 36° – 46° |
| February | 51° | 34° | 8.9" | 0.3" | 17 | 0 | 37° – 48° |
| March | 54° | 36° | 10.1" | 0.1" | 20 | 0 | 41° – 49° |
| April | 59° | 38° | 7.2" | 0 | 18 | 0 | 44° – 53° |
| May | 64° | 43° | 4.2" | 0 | 13 | 0 | 50° – 57° |
| June | 68° | 48° | 3.0" | 0 | 10 | 0 | 55° – 61° |
| July | 74° | 51° | 1.0" | 0 | 5 | 0 | 59° – 66° |
| August | 75° | 51° | 1.5" | 0 | 6 | 0 | 60° – 65° |
| September | 72° | 47° | 3.6" | 0 | 8 | 0 | 56° – 63° |
| October | 62° | 42° | 8.6" | 0 | 15 | 0 | 48° – 57° |
| November | 52° | 37° | 13.4" | 0 | 20 | 0 | 40° – 50° |
| December | 47° | 34° | 13.9" | 0.2" | 21 | 0 | 36° – 44° |
| Year | 60° | 41° | 88.7" | 2.1" | 173 | 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 Grays River
Grays River gets 89 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 173 days a year.
About 178 frost-free days a year
In half of years the last 32° night comes by April 27 and the first one by October 22. That leaves about 178 frost-free days for gardens, longer than 50% of U.S. towns.
Heating and cooling a home in Grays River
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Grays River, 98% of that work is heating and 2% 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.
Grays River and its neighbors
Grays River borders 2 towns with climate data. January nights across them vary by 0.9°. Deep River has both the coldest January nights (36°) and the hottest July afternoons (71°). Grays River’s January low is 35° and its July high 74°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Grays River 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 Grays River averaged 1.2° warmer than the 1900s. The biggest change is in January (+2.5°). The shift is larger than in 50% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Grays River’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 37° to 48°. August is the most reliable, staying within 5°.
Common questions about Grays River’s climate
What is the coldest month in Grays River?
February, with a typical high of 51° and a low of 34°.
What is the hottest month in Grays River?
August, with a typical high of 75° and a low of 51°. About 6 days a year reach 90°.
How much snow does Grays River get?
About 2 inches in a normal winter, most of it in January.
When is the first frost in Grays River?
In half of years the first 32° night comes by October 22, and the last spring frost by April 27.
What is the rainiest month in Grays River?
December, with 13.9 inches of rain and melted snow. The year totals 89 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Grays River itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Grays Rvr Hatchery, WA (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.