Oroville, CA Weather & Climate Normals
Oroville's real weather, in one number
Oroville, CA scores 60/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Oroville's hottest and coldest months
Oroville's hottest month is Jul, averaging 80°F; its coldest is Jan, averaging 49°F, a 31.2°F swing across the year, a middling gap by national standards.
Rain and snow in Oroville
Over a typical year, Oroville sees about 30.56in of precipitation a year across roughly 65 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Oroville ranks
Oroville ranks 528 of 4876 US cities in this dataset for comfort score, and 304 of 429 within CA. About 19,712 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from OROVILLE, CA US, 1.6 miles from Oroville, 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