Oroville, WA
Climate overview — based on NOAA 1991-2020 normals from TONASKET 4 NNE, WA US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Oroville has an annual average temperature of 49.7°F with about 0 inches of precipitation per year. The warmest month is July (average high 88.1°F), and the coldest is January (average low 23.4°F).
Annual swing
43.1°F
warmest to coldest month
Best time to visit Oroville
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Oroville'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 | 121 | |
| 1990s | 183 | |
| 2000s | 62 |
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 | 33.8°F | 23.4°F | 28.6°F | in | — | — |
| February | 42.3°F | 26.0°F | 34.1°F | in | — | — |
| March | 54.2°F | 31.1°F | 42.7°F | in | — | — |
| April | 64.2°F | 37.1°F | 50.7°F | in | — | — |
| May | 73.8°F | 44.0°F | 58.9°F | in | — | — |
| June | 79.3°F | 49.8°F | 64.5°F | in | — | — |
| July | 88.1°F | 55.2°F | 71.7°F | in | — | — |
| August | 86.9°F | 54.0°F | 70.5°F | in | — | — |
| September | 76.5°F | 45.9°F | 61.2°F | in | — | — |
| October | 60.6°F | 36.6°F | 48.6°F | in | — | — |
| November | 44.1°F | 28.7°F | 36.4°F | in | — | — |
| December | 33.6°F | 24.2°F | 28.9°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when