Oroville (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Oroville.
Climate overview of Oroville
Oroville, California, United States of America, sees big temperature differences between seasons, with July peaking at 35°C (95°F) and December dropping to 13°C (55°F).
Annual rainfall is moderate at around 685 mm (27 in), with December being the wettest month. The city also has a distinct dry season from May to September, with very hot summers and mild winters.
Oroville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Oroville - and find the best time to visit.
Monthly Temperature in Oroville
Visitors to Oroville can expect significant temperature changes throughout the year. Average daytime temperatures reach a very hot 35°C (95°F) in July. In December, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).
At night, temperatures range from around 17°C (63°F) in July to 3°C (37°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Oroville
Generally, Oroville experiences moderate precipitation patterns, averaging 685 mm (27 in) yearly. Oroville can be quite wet during December, receiving approximately 136 mm (5.4 in) of precipitation over 13 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 0.6 mm (0.02 in) of precipitation spread across 0 rainy days. For more details, please visit our Oroville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Oroville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May and October
- Warmest weather: July and August
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to September, with very hot summers and mild winters
Frequently asked questions about the climate in Oroville
What is the best time to visit Oroville?
April, May and October typically offer the most optimal weather in Oroville. In contrast, July, August and December tend to have less optimal conditions. Oroville has a distinct dry season from May to September, with very hot summers and mild winters.
What temperatures can I expect in Oroville?
Daytime highs range from 13°C (55°F) in December to 35°C (95°F) in July. Nighttime lows range from 3°C (37°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Oroville get?
Annual rainfall is around 685 mm (27 in). December is the wettest month with 136 mm (5.4 in), while July is the driest with 0.6 mm (0.02 in).
Oroville 3-Day Forecast
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