Arlington, WA Weather & Climate Normals
Arlington's real weather, in one number
Arlington, WA scores 51/100 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. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Arlington's hottest and coldest months
Arlington's hottest month is Jul, averaging 63°F; its coldest is Dec, averaging 37°F, a 25.6°F swing across the year, a middling gap by national standards.
Arlington's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 47°F | 29°F | 5.92in | 0.8in |
| Feb | 51°F | 28°F | 4.42in | 0.7in |
| Mar | 54°F | 32°F | 5in | 0.4in |
| Apr | 60°F | 35°F | 4.34in | 0in |
| May | 67°F | 41°F | 3.43in | 0in |
| Jun | 71°F | 45°F | 2.66in | 0in |
| Jul | 77°F | 48°F | 1.15in | 0in |
| Aug | 78°F | 47°F | 1.34in | 0in |
| Sep | 72°F | 42°F | 2.49in | 0in |
| Oct | 61°F | 37°F | 4.94in | 0in |
| Nov | 52°F | 31°F | 7.15in | 0.2in |
| Dec | 46°F | 28°F | 6.15in | 2.2in |
Jun, Jul, Aug, and Sep are the best time to see Arlington at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Arlington
Arlington averages 48.99in of precipitation a year across roughly 176 days with measurable rain or snow, and 4.3in of snow a year.
Where Arlington ranks
Arlington ranks 1485 of 4876 US cities in this dataset for comfort score, and 80 of 125 within WA. About 21,959 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Arlington, WA US, 2.2 miles from Arlington, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure