Union Gap, WA Weather & Climate Normals
Union Gap's real weather, in one number
Union Gap, WA scores 46/100 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.
Union Gap's hottest and coldest months
Union Gap's hottest month is Jul, averaging 73°F; its coldest is Dec, averaging 31°F, a 41.8°F swing across the year, a middling gap by national standards.
Union Gap's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 40°F | 24°F | 1.19in | 6.2in |
| Feb | 47°F | 26°F | 0.81in | 2.7in |
| Mar | 57°F | 30°F | 0.64in | 0.6in |
| Apr | 65°F | 35°F | 0.55in | 0in |
| May | 74°F | 44°F | 0.74in | 0in |
| Jun | 81°F | 50°F | 0.5in | 0in |
| Jul | 90°F | 55°F | 0.2in | 0in |
| Aug | 89°F | 53°F | 0.21in | 0in |
| Sep | 79°F | 45°F | 0.23in | 0in |
| Oct | 64°F | 35°F | 0.64in | 0.1in |
| Nov | 49°F | 27°F | 0.86in | 3in |
| Dec | 38°F | 23°F | 1.44in | 7.7in |
May, Jun, Jul, Aug, and Sep are the best time to see Union Gap at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Union Gap
Union Gap averages 8.01in of precipitation a year across roughly 72 days with measurable rain or snow, and 20.3in of snow a year.
Where Union Gap ranks
Union Gap ranks 3158 of 4876 US cities in this dataset for comfort score, and 114 of 125 within WA. About 6,582 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Yakima Air Terminal, WA US, 2.6 miles from Union Gap, 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