Morton, WA
Climate overview — based on NOAA 1991-2020 normals from GLENOMA, WA US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Morton has an annual average temperature of 50°F with about 0 inches of precipitation per year. The warmest month is August (average high 79.7°F), and the coldest is February (average low 31.6°F).
Annual swing
26.4°F
warmest to coldest month
Best time to visit Morton
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Morton's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1960s | 43 | |
| 1970s | 83 | |
| 1980s | 153 | |
| 1990s | 70 | |
| 2000s | 17 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 44.9°F | 31.7°F | 38.3°F | in | — | — |
| February | 48.7°F | 31.6°F | 40.1°F | in | — | — |
| March | 52.8°F | 34.3°F | 43.6°F | in | — | — |
| April | 58.9°F | 37.0°F | 48.0°F | in | — | — |
| May | 66.9°F | 42.3°F | 54.6°F | in | — | — |
| June | 72.0°F | 46.7°F | 59.3°F | in | — | — |
| July | 79.1°F | 49.7°F | 64.4°F | in | — | — |
| August | 79.7°F | 47.9°F | 63.8°F | in | — | — |
| September | 73.1°F | 43.7°F | 58.4°F | in | — | — |
| October | 60.6°F | 39.3°F | 50.0°F | in | — | — |
| November | 49.7°F | 33.9°F | 41.8°F | in | — | — |
| December | 44.4°F | 31.7°F | 38.0°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when