Best year time to visit Gilliam

General weather information about Gilliam

Average annual temperature is 12.1 °C

Absolute maximum temperature: 38.3 °C

Absolute minimum temperature: -11.3 °C

Number of sunny days: 212 days

Number of rainy days: 145 days

Number of snow days: 8 days

Look at detailed online map of Gilliam

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

Gilliam air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.113.115.326.331.833.537.338.331.924.717.616.6
Average daytime temperature (°C)7.27.410.114.524.327.233.230.824.617.18.27.1
Average temperature (°C)3.12.65.09.017.520.425.624.017.911.74.43.7
Average night temperature (°C)0.2-0.71.54.812.214.618.618.513.17.71.61.3
Absolute minimum temperature (°C)-10.7-11.3-4.3-0.44.98.113.911.66.1-4.2-5.5-4.1

Gilliam 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)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)5.16.17.79.412.913.414.011.29.38.15.34.0
Precipitation (mm)2949485513301626314854
Sunny days15117132127312118191514
Rainy days1512231610301012121517
Snow days151100000000

Gilliam - weather forecast by months

Gilliam weather in januaryGilliam weather in februaryGilliam weather in marchGilliam weather in aprilGilliam weather in mayGilliam weather in juneGilliam weather in julyGilliam weather in augustGilliam weather in septemberGilliam weather in octoberGilliam weather in novemberGilliam weather in december

Best time to visit Gilliam:

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

  • May — 12.9(h)
  • June — 13.4(h)
  • July — 14.0(h)
  • August — 11.2(h)

Months with the longest average daylight duration in Gilliam:

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in Gilliam is at

  • February — 49(mm)
  • March — 48(mm)
  • April — 55(mm)
  • November — 48(mm)
  • December — 54(mm)

    • Weather forecast in the closest to Gilliam admin centers

    Weather forecast in the closest towns to Gilliam

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    Frequently asked questions

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