Best year time to visit City of Lewiston

General weather information about City of Lewiston

Average annual temperature is 8.9 °C

Absolute maximum temperature: 32.6 °C

Absolute minimum temperature: -30.2 °C

Number of sunny days: 161 days

Number of rainy days: 171 days

Number of snow days: 33 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)9.211.710.726.631.132.630.326.730.727.115.413.0
Average daytime temperature (°C)2.91.55.212.519.021.026.123.422.816.96.64.6
Average temperature (°C)-1.3-4.60.57.113.016.221.919.218.012.32.30.7
Average night temperature (°C)-4.7-9.7-3.43.07.812.518.615.714.48.9-0.9-2.2
Absolute minimum temperature (°C)-12.0-30.2-10.7-4.61.47.013.412.68.50.5-6.5-10.5

City of Lewiston 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)9.310.511.913.514.815.415.114.012.511.09.78.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.26.77.37.311.47.39.69.88.76.46.74.5
Precipitation (mm)1503875861422092031691159367204
Sunny days71513151974917172117
Rainy days144715122327221314812
Snow days10911000000012

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 — 11.4(h)
  • July — 9.6(h)
  • August — 9.8(h)

Months with the longest average daylight duration in City of Lewiston:

  • June — 15.4(h)

The largest precipitation sum in City of Lewiston is at

  • June — 209(mm)
  • July — 203(mm)
  • August — 169(mm)
  • December — 204(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.