Lewes, Delaware 

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Climate in Lewes, Delaware

Lewes, Delaware gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lewes averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Lewes. The US average is 205 sunny days.

Lewes gets some kind of precipitation, on average, 123 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 87 degrees
Winter Low: the January low is 27
Rain: averages 46 inches of rain a year
Snow: averages 12 inches of snow a year


The annual BestPlaces Comfort Index for Lewes is 7.4 (10=best), which means it is one of the most pleasant places in Delaware.

7.4 / 10
September, May and June are the most pleasant months in Lewes, while January and February are the least comfortable months.

Climate Averages
  Lewes, DelawareUnited States
  45.9 in.38.1 in.
  12.3 in.27.8 in.
  122.7 days106.2 days
  206 days205 days
  13 ft.2443 ft.


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 Lewes with an average high temperature of 86.8°, which ranks it as warmer than most places in Delaware. In Lewes, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewes are September, May and June.

January has the coldest nighttime temperatures for Lewes with an average of 27.4°. This is warmer than most places in Delaware.

In Lewes, there are 22.8 days annually when the high temperature is over 90°, which is hotter than most places in Delaware.

In Lewes, there are 76.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Delaware.

In Lewes, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Delaware.

August is the wettest month in Lewes with 4.5 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.9 inches in Lewes means that it is one of the wettest places in Delaware.

May is the rainiest month in Lewes with 11.1 days of rain, and February is the driest month with only 9.4 rainy days. There are 122.7 rainy days annually in Lewes, which is one of the rainiest places in Delaware. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 12.3 inches in Lewes means that it is less snowy than most places in Delaware. February is the snowiest month in Lewes with 5.5 inches of snow, and 4 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Lewes    4 Reviews
    Excellent place to live and retire to - 1/17/2018
    I moved to Lewes in 2009 and it has been a great experience so far. Sussex County has the lowest property taxes in the state and Delaware has no sales tax making it a... Read More

    Start Your Review of Lewes

    An excellent choice for retireees - 12/2/2014
    Lewes has so much to offer for retirees! It has a great library, wonderful classes for lifelong education (through the Osher Institute, affiliated with U.D.), and a town... Read More

    Low taxes abound! - 12/23/2010
    I've lived in Lewes, Delaware practically my whole life and love it here. It’s a tight-knit community that really focuses on one another. Lewes frequently tops the... Read More

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