Mount Vista, WA climate
Mount Vista has mild winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 80°, a January night drops to 35°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Mount Vista feels like
Winter
Spring
Summer
Fall
Mount Vista 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 | 47° | 35° | 6.8" | 0.5" | 20 | 1 | 34° – 45° |
| February | 51° | 35° | 5.0" | 0.1" | 16 | 0 | 37° – 48° |
| March | 56° | 38° | 5.3" | 0 | 18 | 0 | 44° – 51° |
| April | 61° | 41° | 4.0" | 0 | 17 | 0 | 47° – 55° |
| May | 68° | 47° | 2.9" | 0 | 14 | 0 | 53° – 61° |
| June | 73° | 51° | 2.0" | 0 | 10 | 0 | 58° – 68° |
| July | 80° | 55° | 0.5" | 0 | 4 | 0 | 62° – 71° |
| August | 81° | 55° | 0.7" | 0 | 4 | 0 | 65° – 71° |
| September | 75° | 51° | 1.8" | 0 | 8 | 0 | 60° – 66° |
| October | 63° | 44° | 4.3" | 0 | 14 | 0 | 49° – 58° |
| November | 52° | 39° | 7.2" | 0 | 19 | 0 | 40° – 51° |
| December | 46° | 35° | 7.7" | 0.2" | 20 | 0 | 36° – 43° |
| Year | 63° | 44° | 48.2" | 0.8" | 163 | 1 |
“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 Mount Vista
Mount Vista gets 48 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 163 days a year.
About 223 frost-free days a year
In half of years the last 32° night comes by March 29 and the first one by November 9. That leaves about 223 frost-free days for gardens, longer than 83% of U.S. towns.
Heating and cooling a home in Mount Vista
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mount Vista, 92% of that work is heating and 8% 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.
Mount Vista and its neighbors
Mount Vista borders 2 towns with climate data. January nights across them vary by 0.1°. Salmon Creek has the coldest January nights (35°) and Barberton the hottest July afternoons (81°). Mount Vista’s January low is 35° and its July high 80°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Mount Vista 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 Mount Vista averaged 1.3° warmer than the 1900s. The biggest change is in January (+3.2°). The shift is larger than in 54% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Mount Vista’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 34° to 45°. September is the most reliable, staying within 6°.
Common questions about Mount Vista’s climate
What is the coldest month in Mount Vista?
December, with a typical high of 46° and a low of 35°.
What is the hottest month in Mount Vista?
August, with a typical high of 81° and a low of 55°. About 15 days a year reach 90°.
How much snow does Mount Vista get?
Almost none. A normal year brings 0.8 inches.
When is the first frost in Mount Vista?
In half of years the first 32° night comes by November 9, and the last spring frost by March 29.
What is the rainiest month in Mount Vista?
December, with 7.7 inches of rain and melted snow. The year totals 48 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Mount Vista itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Vancouver 4 Nne, WA (4 mi, snow) and Vancouver Pearson Airport, WA (8 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.