Best year time to visit City of Lewiston

General weather information about City of Lewiston

Average annual temperature is 8.7 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -19.5 °C

Number of sunny days: 216 days

Number of rainy days: 98 days

Number of snow days: 51 days

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* Weather data for City of Lewiston United States is based on climate observations for 2026 year

City of Lewiston air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.63.08.322.026.428.936.733.728.522.615.98.5
Average daytime temperature (°C)-1.0-1.22.110.720.823.932.228.724.416.28.53.7
Average temperature (°C)-3.6-4.3-1.94.513.917.224.621.717.29.93.50.3
Average night temperature (°C)-6.6-7.6-5.4-0.37.510.717.415.811.45.5-0.1-2.7
Absolute minimum temperature (°C)-19.5-15.7-12.0-10.72.06.111.610.63.7-5.6-7.1-10.1

City of Lewiston monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)4.76.97.99.712.012.313.211.810.68.66.96.1
Precipitation (mm)103538464342502537714350
Sunny days111410161416282222212121
Rainy days738817143981083
Snow days131113600000017

City of Lewiston - weather forecast by months

City of Lewiston weather in januaryCity of Lewiston weather in februaryCity of Lewiston weather in marchCity of Lewiston weather in aprilCity of Lewiston weather in mayCity of Lewiston weather in juneCity of Lewiston weather in julyCity of Lewiston weather in augustCity of Lewiston weather in septemberCity of Lewiston weather in octoberCity of Lewiston weather in novemberCity of Lewiston weather in december

Best time to visit City of Lewiston:

The best time to visit City of Lewiston during the most sunny months:

  • May — 12.0(h)
  • June — 12.3(h)
  • July — 13.2(h)
  • August — 11.8(h)

The largest precipitation sum in City of Lewiston is at

  • January — 103(mm)
  • March — 84(mm)
  • April — 64(mm)
  • October — 71(mm)

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    Frequently asked questions

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