Best year time to visit Lewisville

General weather information about Lewisville

Average annual temperature is 9.3 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -17.6 °C

Number of sunny days: 144 days

Number of rainy days: 179 days

Number of snow days: 42 days

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

Lewisville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.611.510.026.430.429.832.529.631.828.315.714.7
Average daytime temperature (°C)1.52.73.814.218.222.925.923.021.415.37.25.4
Average temperature (°C)-1.0-2.1-0.28.311.917.821.118.817.411.93.72.7
Average night temperature (°C)-3.4-5.9-3.53.66.713.017.115.614.09.30.80.7
Absolute minimum temperature (°C)-14.0-17.6-11.0-4.3-0.48.213.310.18.8-2.4-6.6-4.5

Lewisville 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)9.310.511.913.514.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.56.36.48.411.312.112.010.38.86.05.42.9
Precipitation (mm)697281103295815511632994569
Sunny days811101025175111371611
Rainy days128102061326201723915
Snow days11911000000155

Lewisville - weather forecast by months

Lewisville weather in januaryLewisville weather in februaryLewisville weather in marchLewisville weather in aprilLewisville weather in mayLewisville weather in juneLewisville weather in julyLewisville weather in augustLewisville weather in septemberLewisville weather in octoberLewisville weather in novemberLewisville weather in december

Best time to visit Lewisville:

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

  • May — 11.3(h)
  • June — 12.1(h)
  • July — 12.0(h)
  • August — 10.3(h)

Months with the longest average daylight duration in Lewisville:

  • June — 15.4(h)

The largest precipitation sum in Lewisville is at

  • April — 103(mm)
  • July — 155(mm)
  • August — 116(mm)
  • October — 99(mm)

    • Weather forecast in the closest to Lewisville admin centers

    Weather forecast in the closest towns to Lewisville

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    Frequently asked questions

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