Best year time to visit McLean (historical)

General weather information about McLean (historical)

Average annual temperature is 16.5 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -5.1 °C

Number of sunny days: 171 days

Number of rainy days: 193 days

Number of snow days: 1 day

Look at detailed online map of McLean (historical)

* Weather data for McLean (historical) United States is based on climate observations for 2026 year

McLean (historical) air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.326.025.428.231.834.335.436.932.230.925.618.7
Average daytime temperature (°C)12.716.016.920.625.829.831.831.028.723.617.013.1
Average temperature (°C)8.210.011.314.819.823.625.825.422.517.711.17.8
Average night temperature (°C)4.86.16.610.014.818.321.321.117.712.96.74.1
Absolute minimum temperature (°C)-3.6-4.8-5.13.66.713.217.315.713.60.0-2.4-4.2

McLean (historical) monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.26.08.48.710.912.110.99.910.68.27.76.7
Precipitation (mm)14310590969778149129802168106
Sunny days10111716131461314202116
Rainy days20171414181625181611915
Snow days100000000000

McLean (historical) - weather forecast by months

McLean (historical) weather in januaryMcLean (historical) weather in februaryMcLean (historical) weather in marchMcLean (historical) weather in aprilMcLean (historical) weather in mayMcLean (historical) weather in juneMcLean (historical) weather in julyMcLean (historical) weather in augustMcLean (historical) weather in septemberMcLean (historical) weather in octoberMcLean (historical) weather in novemberMcLean (historical) weather in december

Best time to visit McLean (historical):

The best time to visit McLean (historical) during the most sunny months:

  • June — 12.1(h)

The largest precipitation sum in McLean (historical) is at

  • January — 143(mm)
  • July — 149(mm)
  • August — 129(mm)

    • Weather forecast in the closest to McLean (historical) admin centers

    Weather forecast in the closest towns to McLean (historical)

    Explore McLean (historical)

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    Frequently asked questions

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