Washington, NJ Weather & Climate Normals
Washington's real weather, in one number
Washington, NJ scores 50/100 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.
Washington's hottest and coldest months
Washington's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 30°F, a 45.1°F swing across the year, one of the widest gaps in this dataset.
Washington's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 38°F | 22°F | 3.67in |
| Feb | 40°F | 22°F | 2.97in |
| Mar | 49°F | 29°F | 3.65in |
| Apr | 62°F | 39°F | 3.94in |
| May | 72°F | 49°F | 4.27in |
| Jun | 81°F | 59°F | 4.82in |
| Jul | 86°F | 64°F | 5.57in |
| Aug | 83°F | 62°F | 5.18in |
| Sep | 77°F | 55°F | 4.72in |
| Oct | 65°F | 44°F | 4.48in |
| Nov | 53°F | 33°F | 3.37in |
| Dec | 43°F | 26°F | 4.37in |
May, Jun, Jul, Aug, and Sep are the best time to see Washington at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Washington
Over a typical year, Washington sees about 51.01in of precipitation a year across roughly 0 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Washington ranks
Washington ranks 1905 of 4876 US cities in this dataset for comfort score, and 57 of 194 within NJ. About 7,375 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Phillipsburg-Easton Brg, NJ US, 12.2 miles from Washington, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated