2025 Compare Climate & Weather:
Lewiston, ME vs Wiscasset, ME

Highlights

On average, there are 200 sunny days per year in Wiscasset. Lewiston averages 197 sunny days per year. The US average is 205 sunny days.

Wiscasset, Maine gets 48.2 inches of rain, on average, per year. Lewiston, Maine gets 47.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Wiscasset averages 65.7 inches of snow per year. Lewiston averages 74.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Wiscasset, Maine
Summer High: the July high is around 77.2 degrees
Winter Low: the January low is 11.6
Rain: averages 48.2 inches of rain a year
Snow: averages 65.7 inches of snow a year

Lewiston, Maine
Summer High: the July high is around 78.8 degrees
Winter Low: the January low is 8.9
Rain: averages 47.7 inches of rain a year
Snow: averages 74.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Wiscasset is 6.4 (10=best), which means it is about average compared to other places in Maine.

The annual BestPlaces Comfort Index for Lewiston is 6.3 (10=best), which means it is less comfortable than most places in Maine.

Today's Weather - Lewiston, ME

47°F

Today's Weather - Wiscasset, ME

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lewiston / Wiscasset

July is the hottest month for Lewiston with an average high temperature of 78.8°, which ranks it as about average compared to other places in Maine. In Lewiston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewiston are August, July and June.

July is the hottest month for Wiscasset with an average high temperature of 77.2°, which ranks it as cooler than most places in Maine. In Wiscasset, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wiscasset are July, August and June.

January has the coldest nighttime temperatures for Lewiston with an average of 8.9°. This is about average compared to other places in Maine.

January has the coldest nighttime temperatures for Wiscasset with an average of 11.6°. This is warmer than most places in Maine.

In Lewiston, there are 3.3 days annually when the high temperature is over 90°, which is about average compared to other places in Maine.

In Wiscasset, there are 1.5 days annually when the high temperature is over 90°, which is one of the coolest places in Maine.

In Lewiston, there are 156.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maine.

In Wiscasset, there are 150.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maine.

In Lewiston, there are 14.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Maine.

In Wiscasset, there are 8.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Maine.

November is the wettest month in Lewiston with 4.8 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.7 inches in Lewiston means that it is about average compared to other places in Maine.


November is the wettest month in Wiscasset with 5.0 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Winter with 28% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 48.2 inches in Wiscasset means that it is about average compared to other places in Maine.

June is the rainiest month in Lewiston with 12.9 days of rain, and February is the driest month with only 9.1 rainy days. There are 132.0 rainy days annually in Lewiston, which is rainier than most places in Maine. The rainiest season is Autumn when it rains 26% of the time and the driest is Winter with only a 24% chance of a rainy day.

May is the rainiest month in Wiscasset with 13.3 days of rain, and August is the driest month with only 9.4 rainy days. There are 134.1 rainy days annually in Wiscasset, which is rainier than most places in Maine. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 74.2 inches in Lewiston means that it is snowier than most places in Maine.

An annual snowfall of 65.7 inches in Wiscasset means that it is less snowy than most places in Maine.

January is the snowiest month in Lewiston with 21.2 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Wiscasset with 19.6 inches of snow, and 6 months of the year have significant snowfall.