Winchester Bay, OR climate
Winchester Bay has warm winters and cool summers, with plenty of rain. A typical July afternoon reaches 66°, a January night drops to 40°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Winchester Bay feels like
Winter
Spring
Summer
Fall
Winchester Bay 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 | 53° | 40° | 9.7" | 0 | 19 | 0 | 42° – 51° |
| February | 54° | 40° | 7.4" | 0 | 18 | 0 | 41° – 52° |
| March | 55° | 41° | 7.7" | 0 | 19 | 0 | 44° – 52° |
| April | 57° | 43° | 5.6" | 0 | 17 | 0 | 46° – 54° |
| May | 60° | 47° | 3.1" | 0 | 12 | 0 | 49° – 57° |
| June | 63° | 50° | 1.9" | 0 | 9 | 0 | 53° – 58° |
| July | 66° | 52° | 0.4" | 0 | 3 | 0 | 56° – 61° |
| August | 67° | 52° | 0.5" | 0 | 4 | 0 | 57° – 62° |
| September | 66° | 50° | 1.8" | 0 | 6 | 0 | 55° – 61° |
| October | 62° | 47° | 4.9" | 0 | 13 | 0 | 52° – 59° |
| November | 56° | 43° | 9.2" | 0 | 19 | 0 | 44° – 53° |
| December | 52° | 40° | 11.4" | 0.2" | 20 | 0 | 42° – 50° |
| Year | 59° | 45° | 63.6" | 0.2" | 159 | 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 Winchester Bay
Winchester Bay gets 64 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 159 days a year.
About 249 frost-free days a year
In half of years the last 32° night comes by March 25 and the first one by November 24. That leaves about 249 frost-free days for gardens, longer than 90% of U.S. towns.
Heating and cooling a home in Winchester Bay
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Winchester Bay, 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 Winchester Bay 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 Winchester Bay averaged 1.7° warmer than the 1900s. The biggest change is in January (+3.1°). The shift is larger than in 82% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Winchester Bay’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 41° to 52°. August is the most reliable, staying within 5°.
Common questions about Winchester Bay’s climate
What is the coldest month in Winchester Bay?
December, with a typical high of 52° and a low of 40°.
What is the hottest month in Winchester Bay?
August, with a typical high of 67° and a low of 52°.
How much snow does Winchester Bay get?
Almost none. A normal year brings 0.2 inches.
When is the first frost in Winchester Bay?
In half of years the first 32° night comes by November 24, and the last spring frost by March 25.
What is the rainiest month in Winchester Bay?
December, with 11.4 inches of rain and melted snow. The year totals 64 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Winchester Bay itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at North Bend Rgnl Airport, OR (18 mi, snow) and Winchester Bay Coast Grd, OR (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.