Ione, WA
Climate overview — based on NOAA 1991-2020 normals from Bunchgrass Mdw, WA US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Ione
Full guide →Climate change signal
All-time records →141 of 366 (38.5%) of Ione'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.
| 1980s | 0 | |
| 1990s | 63 | |
| 2000s | 127 | |
| 2010s | 89 | |
| 2020s | 87 |
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 | °F | °F | °F | 6.47 in | — | 16 |
| February | °F | °F | °F | 4.64 in | — | 13 |
| March | °F | °F | °F | 5.68 in | — | 15 |
| April | °F | °F | °F | 4.33 in | — | 13 |
| May | °F | °F | °F | 4.37 in | — | 12 |
| June | °F | °F | °F | 4.38 in | — | 11 |
| July | °F | °F | °F | 1.71 in | — | 6 |
| August | °F | °F | °F | 1.30 in | — | 5 |
| September | °F | °F | °F | 2.08 in | — | 7 |
| October | °F | °F | °F | 4.46 in | — | 12 |
| November | °F | °F | °F | 6.70 in | — | 16 |
| December | °F | °F | °F | 6.67 in | — | 16 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when