Washington climate by month
January highs across Washington range from 34°F in Leavenworth to 48°F in Tacoma; July highs from 68°F in Port Angeles to 87°F in Leavenworth. The most common best months across these cities are June, July, August.
Washington weather month by month
Average of the 9 Washington cities on this site, computed from NOAA's unrounded values (so it can differ by a degree from averaging the rounded city figures); individual cities differ, sometimes a lot.
| Month | High | Low | Wet days | Snow |
|---|---|---|---|---|
| January | 44°F | 33°F | 17 | 4.8 in |
| February | 48°F | 33°F | 14 | 2.9 in |
| March | 53°F | 36°F | 16 | 1.1 in |
| April | 59°F | 40°F | 13 | 0.08 in |
| May | 66°F | 46°F | 11 | 0.01 in |
| June | 71°F | 51°F | 8 | 0.0 in |
| July | 78°F | 55°F | 4 | 0.0 in |
| August | 78°F | 55°F | 5 | 0.0 in |
| September | 72°F | 50°F | 8 | 0.01 in |
| October | 60°F | 43°F | 13 | 0.1 in |
| November | 50°F | 37°F | 17 | 1.9 in |
| December | 44°F | 33°F | 17 | 6.3 in |
Regional differences
- Warmest winterTacoma: January high 48°F
- Coolest summerPort Angeles: July high 68°F
- Most wet daysEverett: 163 a year
- Fewest wet daysLeavenworth: 99 a year
- Most snowLeavenworth: 80.2 in a year
Warmest and coolest Washington city each month
| Month | Warmest | Coolest | Best month for |
|---|---|---|---|
| January | Tacoma 48°F | Leavenworth 34°F | – |
| February | Vancouver 52°F | Spokane 40°F | – |
| March | Vancouver 57°F | Spokane 49°F | – |
| April | Vancouver 62°F | Port Angeles 54°F | – |
| May | Leavenworth 71°F | Port Angeles 60°F | 1 city |
| June | Leavenworth 77°F | Port Angeles 63°F | 6 cities |
| July | Leavenworth 87°F | Port Angeles 68°F | 6 cities |
| August | Leavenworth 87°F | Port Angeles 70°F | 6 cities |
| September | Leavenworth 78°F | Port Angeles 66°F | – |
| October | Vancouver 64°F | Port Angeles 57°F | – |
| November | Vancouver 54°F | Spokane 42°F | – |
| December | Tacoma 47°F | Leavenworth 34°F | – |
By normal daily high. "Best month for": how many of the 9 cities have it among their best months by our comfort score.
Frost and humidity across Washington
- Earliest typical last frostSeattle: Mar 8
- Latest typical last frostLeavenworth: May 10
- Most muggy daysVancouver: 0 a year
- Fewest muggy daysTacoma: 0 a year
All Washington cities
| City | Jan high | Jul high | Wet days/yr | Snow/yr | Best months |
|---|---|---|---|---|---|
| Everett | 48°F | 75°F | 163 | 3.8 in | Jul, Aug |
| Friday Harbor | 47°F | 72°F | 143 | 5.8 in | Jul, Aug |
| Kent | 48°F | 77°F | 156 | 3.8 in | Jun, Jul, Aug |
| Leavenworth | 34°F | 87°F | 99 | 80.2 in | May, Jun |
| Port Angeles | 45°F | 68°F | 142 | 2.0 in | Jul, Aug |
| Seattle | 47°F | 77°F | 163 | 3.8 in | Jun, Jul, Aug |
| Spokane | 35°F | 84°F | 113 | 45.4 in | Jun |
| Tacoma | 48°F | 77°F | 156 | 5.6 in | Jun, Jul, Aug |
| Vancouver | 48°F | 82°F | 156 | 4.2 in | Jun |
Also covered: Bellevue (see Seattle), Renton (see Kent), Spokane Valley (see Spokane). These cities use the same weather stations as the city named.