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Lewiston
Weather averages
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Climate in Lewiston (Maine), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Portland, the United States of America (48 KM, 30 Miles).

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year
* Data from: Portland, the United States of America (48 KM, 30 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year
* Data from: Portland, the United States of America (48 KM, 30 Miles).

Weather Forecasts for Lewiston (ME)

Thu   Apr 25
11°C | -4°C
NW 22 km/h
clear and no rain

clear and no rain

hourly forecast
Fri   Apr 26
14°C | -3°C
N 14 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sat   Apr 27
16°C | -2°C
S 18 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Lewiston in the United States of America

During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is winter in Lewiston?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Lewiston?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Lewiston?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Lewiston?
    June tops the wettest month list with 154 mm of rainfall.
  • Which is the driest month in Lewiston?
    January is the driest month with 78 mm of precipitation.
  • Which is the sunniest month in Lewiston?
    July is the sunniest month with an average of 278 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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