Best year time to visit Oroville

General weather information about Oroville

Average annual temperature is 11.5 °C

Absolute maximum temperature: 40.5 °C

Absolute minimum temperature: -10.1 °C

Number of sunny days: 230 days

Number of rainy days: 110 days

Number of snow days: 25 days

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* Weather data for Oroville United States is based on climate observations for 2026 year

Oroville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.811.514.828.032.133.537.840.530.924.411.19.0
Average daytime temperature (°C)3.14.59.614.226.027.733.332.824.816.37.04.8
Average temperature (°C)0.00.14.18.418.820.925.024.918.111.33.11.8
Average night temperature (°C)-2.2-2.9-0.53.211.813.716.417.212.27.40.2-0.4
Absolute minimum temperature (°C)-10.1-9.5-7.1-5.36.09.811.810.73.9-3.4-4.7-5.0

Oroville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)4.66.28.69.512.513.013.612.110.37.95.83.9
Precipitation (mm)4316214338365940263660
Sunny days131616132022282722221813
Rainy days13781511834891113
Snow days557200000015

Oroville - weather forecast by months

Oroville weather in januaryOroville weather in februaryOroville weather in marchOroville weather in aprilOroville weather in mayOroville weather in juneOroville weather in julyOroville weather in augustOroville weather in septemberOroville weather in octoberOroville weather in novemberOroville weather in december

Best time to visit Oroville:

The best time to visit Oroville during the most sunny months:

  • May — 12.5(h)
  • June — 13.0(h)
  • July — 13.6(h)
  • August — 12.1(h)

Months with the longest average daylight duration in Oroville:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Oroville is at

  • January — 43(mm)
  • April — 43(mm)
  • September — 40(mm)
  • December — 60(mm)

    • Weather forecast in the closest to Oroville admin centers

    Weather forecast in the closest towns to Oroville

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    Frequently asked questions

    When is the best time to visit Oroville?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Oroville.
    What is the weather like in Oroville?
    See average temperature, rainfall and daylight hours for Oroville by month in the table above.
    How many sunny days does Oroville have?
    The monthly weather statistics above show sunshine and rainfall patterns for Oroville throughout the year.