Lewiston (ME) Weather and Climate: A Comprehensive Guide
The temperature in Lewiston can vary greatly throughout the year.
The temperatures shift from warm
to very cold.
It also experiences much rain/snowfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to very cold in Lewiston. Average daytime temperatures reach a comfortable 27°C in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C.
At night, you can expect cooler temperatures, with averages dropping to around -12°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Lewiston has a relatively rain/snowy climate with high precipitation levels, averaging 1302 mm of rain/snowfall annually. Lewiston experiences moderate seasonal variation in rainfall, with monthly averages ranging from 154 mm in June, the wettest month, and 78 mm in January, the driest month.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Lewiston can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.3 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Lewiston.
The city experiences its highest humidity in September, reaching 77%. In February, the humidity drops to its lowest level at 65%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain partly cloudy and no rain partly cloudy and snowForecast for Lewiston (ME)
7 m/s
3 m/s
4 m/s
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:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 154 mm of rainfall.
January is the driest month with 78 mm of precipitation.
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.
