Lewiston, MN Climate


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United States / Minnesota / Winona Metro Area / Winona County / Lewiston / Zip Codes
Lewiston, MN has a continental climate with long cold winters and warm summers. The average temperature in January is around 17 degrees Fahrenheit and the average temperature in July is around 77 degrees Fahrenheit. Precipitation is spread out evenly throughout the year, with an average of about 30 inches per year. Snowfall occurs in winter months and can be quite heavy at times. During the summer months, there is usually plenty of sunshine but occasional thunderstorms do happen as well.

Lewiston, Minnesota gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lewiston averages 42 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 191 sunny days per year in Lewiston. The US average is 205 sunny days.

Lewiston gets some kind of precipitation, on average, 104 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 7
Rain: averages 35 inches of rain a year
Snow: averages 42 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lewiston is 6.7 (10=best), which means it is one of the most pleasant places in Minnesota.

9.1 Summer - 4.1 Winter
August, June and July are the most pleasant months in Lewiston, while January and December are the least comfortable months.

  ClimateLewiston, MinnesotaUnited States
  35.0 in.38.1 in.
  41.5 in.27.8 in.
  104.2 days106.2 days
  191 days205 days
  83.3°85.8°
  7.3°21.7°
  6.77
  3.34.3
  1214 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Lewiston with an average high temperature of 83.3°, which ranks it as warmer than most places in Minnesota. In Lewiston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewiston are June, August and September.
In Lewiston, there are 9.5 days annually when the high temperature is over 90°, which is hotter than most places in Minnesota.
January has the coldest nighttime temperatures for Lewiston with an average of 7.3°. This is one of the warmest places in Minnesota.
In Lewiston, there are 151.1 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Minnesota.
In Lewiston, there are 23.7 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Minnesota.
The humidity is usually comfortable in Lewiston but some summer days can be muggy. July is the most humid month, though it is still relatively mild compared to many other places. The most humid months are July, August and June.
August is the wettest month in Lewiston with 4.9 inches of rain, and the driest month is February with 0.9 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.0 inches in Lewiston means that it is one of the wettest places in Minnesota.
May is the rainiest month in Lewiston with 11.9 days of rain, and February is the driest month with only 5.6 rainy days. There are 104.2 rainy days annually in Lewiston, which is rainier than most places in Minnesota. The rainiest season is Autumn when it rains 29% of the time and the driest is Spring with only a 19% chance of a rainy day.
An annual snowfall of 41.5 inches in Lewiston means that it is less snowy than most places in Minnesota. December is the snowiest month in Lewiston with 10.8 inches of snow, and 6 months of the year have significant snowfall.
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Maggie · Lewiston, MN
Great small town to raise a family
Over 14 years ago

I've lived in Lewiston for 10 years, we're now raising our family here. Lewiston is a small town in the heart of Winona county, and is fast becoming a town full of young  More

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