Lewisville, WA Climate


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Lewisville, WA has a mild climate with warm summers and cool winters. During the summer months temperatures average around 80 degrees Fahrenheit while in the winter it averages near 45 degrees Fahrenheit. Precipitation in Lewisville is also fairly light, with an average annual total of approximately 17 inches per year. In terms of wind speeds, Lewisville tends to get gusts that range in speed from 10 miles per hour up to 25 miles per hour. The area experiences all four seasons with spring and fall usually being the most temperate times of year.

Lewisville, Washington gets 54 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lewisville averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 142 sunny days per year in Lewisville. The US average is 205 sunny days.

Lewisville gets some kind of precipitation, on average, 175 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 78 degrees
Winter Low: the January low is 33
Rain: averages 54 inches of rain a year
Snow: averages 2 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lewisville is 7.1 (10=best), which means it is about average compared to other places in Washington.

9.2 Summer - 5.1 Winter
August, July and September are the most pleasant months in Lewisville, while December and January are the least comfortable months.

  ClimateLewisville, WashingtonUnited States
  54.2 in.38.1 in.
  2.1 in.27.8 in.
  174.6 days106.2 days
  142 days205 days
  78.3°85.8°
  32.7°21.7°
  7.17
  2.94.3
  413 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.

August is the hottest month for Lewisville with an average high temperature of 79.5°, which ranks it as warmer than most places in Washington. In Lewisville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewisville are July, August and September.
In Lewisville, there are 8.9 days annually when the high temperature is over 90°, which is hotter than most places in Washington.
December has the coldest nighttime temperatures for Lewisville with an average of 32.1°. This is colder than most places in Washington.
In Lewisville, there are 62.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.
In Lewisville, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.
Humidity in Lewisville is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.
November is the wettest month in Lewisville with 8.5 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 39% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 54.2 inches in Lewisville means that it is wetter than most places in Washington.
November is the rainiest month in Lewisville with 21.1 days of rain, and August is the driest month with only 4.3 rainy days. There are 174.6 rainy days annually in Lewisville, which is rainier than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 11% chance of a rainy day.
An annual snowfall of 2.1 inches in Lewisville means that it is less snowy than most places in Washington. February is the snowiest month in Lewisville with 0.9 inches of snow, and 2 months of the year have significant snowfall.
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