Pine Grove, WA climate
Pine Grove has chilly, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 17°, and about 53 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Pine Grove feels like
Winter
Spring
Summer
Fall
Pine Grove 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 | 31° | 17° | 1.7" | 13.1" | 11 | 31 | 15° – 31° |
| February | 38° | 18° | 1.3" | 6.6" | 8 | 24 | 17° – 36° |
| March | 48° | 25° | 1.5" | 3.3" | 9 | 10 | 31° – 42° |
| April | 57° | 30° | 1.5" | 0.5" | 9 | 0 | 39° – 50° |
| May | 67° | 38° | 2.1" | 0 | 11 | 0 | 47° – 58° |
| June | 73° | 43° | 2.1" | 0 | 10 | 0 | 55° – 66° |
| July | 83° | 48° | 1.1" | 0 | 6 | 0 | 58° – 70° |
| August | 83° | 46° | 0.7" | 0 | 4 | 0 | 59° – 68° |
| September | 73° | 39° | 0.9" | 0 | 5 | 0 | 52° – 61° |
| October | 56° | 30° | 1.3" | 0.4" | 8 | 0 | 38° – 49° |
| November | 40° | 24° | 1.8" | 7.7" | 11 | 8 | 26° – 38° |
| December | 30° | 17° | 2.1" | 20.9" | 12 | 27 | 17° – 29° |
| Year | 57° | 31° | 17.9" | 52.5" | 106 | 100 |
“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 Pine Grove
Pine Grove gets 18 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 106 days a year. Snow covers the ground about 100 days of the year.
About 102 frost-free days a year
In half of years the last 32° night comes by May 30 and the first one by September 10. That leaves about 102 frost-free days for gardens, shorter than 99% of U.S. towns.
Heating and cooling a home in Pine Grove
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Pine Grove, 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.
How Pine Grove 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 Pine Grove averaged 1.2° warmer than the 1900s. The biggest change is in January (+3.8°). The shift is smaller than in 52% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Pine Grove’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 17° to 36°. September is the most reliable, staying within 8°.
Common questions about Pine Grove’s climate
What is the coldest month in Pine Grove?
January, with a typical high of 31° and a low of 17°.
What is the hottest month in Pine Grove?
July, with a typical high of 83° and a low of 48°. About 18 days a year reach 90°.
How much snow does Pine Grove get?
About 53 inches in a normal winter, most of it in December.
When is the first frost in Pine Grove?
In half of years the first 32° night comes by September 10, and the last spring frost by May 30.
What is the rainiest month in Pine Grove?
December, with 2.1 inches of rain and melted snow. The year totals 18 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Pine Grove itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Republic, WA (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.