Bellevue, WA Weather & Climate Normals
Bellevue's real weather, in one number
Bellevue, WA scores 56/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Bellevue's hottest and coldest months
Bellevue's hottest month is Aug, averaging 67°F; its coldest is Dec, averaging 42°F, a 25.3°F swing across the year, a middling gap by national standards.
Bellevue's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 47°F | 37°F | 5.14in | 0.9in |
| Feb | 50°F | 37°F | 3.54in | 1in |
| Mar | 54°F | 39°F | 3.86in | 0in |
| Apr | 59°F | 43°F | 2.98in | 0in |
| May | 65°F | 48°F | 2.16in | 0in |
| Jun | 70°F | 53°F | 1.57in | 0in |
| Jul | 77°F | 57°F | 0.78in | 0in |
| Aug | 77°F | 57°F | 1in | 0in |
| Sep | 71°F | 53°F | 1.74in | 0in |
| Oct | 61°F | 47°F | 3.65in | 0in |
| Nov | 52°F | 41°F | 5.85in | 0.2in |
| Dec | 47°F | 37°F | 5.55in | 1.7in |
May, Jun, Jul, Aug, and Sep are the best time to see Bellevue at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Bellevue
Bellevue averages 37.82in of precipitation a year across roughly 163 days with measurable rain or snow, and 3.8in of snow a year.
Where Bellevue ranks
Bellevue ranks 722 of 4876 US cities in this dataset for comfort score, and 31 of 125 within WA. About 154,377 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Seattle Sand Pt Wsfo, WA US, 7.7 miles from Bellevue, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station