Best year time to visit Merrillan

General weather information about Merrillan

Average annual temperature is 9.1 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -26.2 °C

Number of sunny days: 197 days

Number of rainy days: 138 days

Number of snow days: 30 days

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

Merrillan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.47.39.227.132.932.431.736.536.129.916.612.4
Average daytime temperature (°C)-1.41.04.613.522.727.927.427.624.714.77.14.6
Average temperature (°C)-5.2-4.8-1.07.115.521.321.421.819.010.52.40.5
Average night temperature (°C)-8.3-9.3-5.62.29.315.216.116.814.67.0-1.1-2.0
Absolute minimum temperature (°C)-26.2-25.8-16.6-4.80.26.911.010.87.6-5.8-13.4-8.7

Merrillan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.96.37.27.910.412.112.411.48.66.36.24.5
Precipitation (mm)485863133556097681301341039
Sunny days201517141816101912132419
Rainy days6661513142112181548
Snow days578100000324

Merrillan - weather forecast by months

Merrillan weather in januaryMerrillan weather in februaryMerrillan weather in marchMerrillan weather in aprilMerrillan weather in mayMerrillan weather in juneMerrillan weather in julyMerrillan weather in augustMerrillan weather in septemberMerrillan weather in octoberMerrillan weather in novemberMerrillan weather in december

Best time to visit Merrillan:

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

  • May — 10.4(h)
  • June — 12.1(h)
  • July — 12.4(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Merrillan:

  • June — 15.5(h)

The largest precipitation sum in Merrillan is at

  • April — 133(mm)
  • July — 97(mm)
  • September — 130(mm)
  • October — 134(mm)

    • Weather forecast in the closest to Merrillan admin centers

    Weather forecast in the closest towns to Merrillan

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    Frequently asked questions

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