Best year time to visit Petroleum County

General weather information about Petroleum County

Average annual temperature is 9.4 °C

Absolute maximum temperature: 38.1 °C

Absolute minimum temperature: -32.7 °C

Number of sunny days: 218 days

Number of rainy days: 112 days

Number of snow days: 35 days

Look at detailed online map of Petroleum County

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

Petroleum County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.814.211.525.729.629.537.438.134.827.518.419.0
Average daytime temperature (°C)4.54.32.713.723.223.830.731.125.714.010.18.1
Average temperature (°C)-1.5-2.2-3.06.016.318.023.323.418.47.53.72.0
Average night temperature (°C)-5.2-6.4-7.00.79.912.516.116.712.32.7-0.9-2.1
Absolute minimum temperature (°C)-17.9-32.7-15.3-10.13.44.89.612.47.3-18.8-7.6-9.2

Petroleum County monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.815.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.16.77.49.611.810.913.611.410.17.16.76.3
Precipitation (mm)14242658351209276735122
Sunny days20181614138232022182026
Rainy days54310182281181193
Snow days6612600000212

Petroleum County - weather forecast by months

Petroleum County weather in januaryPetroleum County weather in februaryPetroleum County weather in marchPetroleum County weather in aprilPetroleum County weather in mayPetroleum County weather in junePetroleum County weather in julyPetroleum County weather in augustPetroleum County weather in septemberPetroleum County weather in octoberPetroleum County weather in novemberPetroleum County weather in december

Best time to visit Petroleum County:

The best time to visit Petroleum County during the most sunny months:

  • May — 11.8(h)
  • July — 13.6(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Petroleum County:

  • June — 15.8(h)
  • July — 15.5(h)

The largest precipitation sum in Petroleum County is at

  • April — 58(mm)
  • June — 120(mm)
  • September — 67(mm)

    • Weather forecast in the closest to Petroleum County admin centers

    Weather forecast in the closest towns to Petroleum County

    Explore Petroleum County

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    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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