College Place, WA climate
College Place has mild winters and warm summers, with very little rain. A typical July afternoon reaches 91°, a January night drops to 30°, and about 7 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in College Place feels like
Winter
Spring
Summer
Fall
College Place 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 43° | 30° | 1.8" | 2.4" | 10 | 23° – 44° |
| February | 48° | 31° | 1.5" | 1.3" | 9 | 28° – 46° |
| March | 58° | 36° | 1.5" | 0.1" | 10 | 38° – 51° |
| April | 65° | 41° | 1.6" | 0 | 9 | 48° – 58° |
| May | 73° | 47° | 1.6" | 0 | 8 | 56° – 65° |
| June | 80° | 53° | 1.2" | 0 | 6 | 62° – 75° |
| July | 91° | 59° | 0.3" | 0 | 2 | 68° – 80° |
| August | 90° | 58° | 0.4" | 0 | 2 | 69° – 77° |
| September | 80° | 51° | 0.6" | 0 | 3 | 62° – 70° |
| October | 65° | 41° | 1.4" | 0 | 6 | 48° – 59° |
| November | 51° | 34° | 1.8" | 0.3" | 10 | 36° – 49° |
| December | 42° | 29° | 1.9" | 3.1" | 10 | 29° – 40° |
| Year | 65° | 43° | 15.5" | 7.2" | 83 |
“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 College Place
College Place gets 15 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 83 days a year.
About 218 frost-free days a year
In half of years the last 32° night comes by March 25 and the first one by October 29. That leaves about 218 frost-free days for gardens, longer than 81% of U.S. towns.
Heating and cooling a home in College Place
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In College Place, 81% of that work is heating and 19% 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.
College Place and its neighbors
College Place borders 2 towns with climate data. January nights across them vary by 0.0°. Garrett has both the coldest January nights (30°) and the hottest July afternoons (91°). College Place’s January low is 30° and its July high 91°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How College Place 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 College Place averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.1°). The shift is larger than in 66% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at College Place’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. January swings the most: between 1991 and 2020 its average temperature ranged from 23° to 44°. August is the most reliable, staying within 7°.
Common questions about College Place’s climate
What is the coldest month in College Place?
December, with a typical high of 42° and a low of 29°.
What is the hottest month in College Place?
July, with a typical high of 91° and a low of 59°. About 39 days a year reach 90°.
How much snow does College Place get?
About 7 inches in a normal winter, most of it in December.
When is the first frost in College Place?
In half of years the first 32° night comes by October 29, and the last spring frost by March 25.
What is the rainiest month in College Place?
December, with 1.9 inches of rain and melted snow. The year totals 15 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for College Place itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Milton Freewater, OR (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.