Westport, SD Climate


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Westport town, SD has a mild climate with warm summers and cold winters. The average temperatures for the year range from around 43°F in the winter to an average of 72°F during the peak of summer. Precipitation is also relatively moderate, with an average annual total of around 33 inches. The area sees a fair amount of snowfall each year, but it usually doesn't stay on the ground for too long due to its mild temperatures.

Westport, South Dakota gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Westport averages 39 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 199 sunny days per year in Westport. The US average is 205 sunny days.

Westport gets some kind of precipitation, on average, 86 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 84 degrees
Winter Low: the January low is 1
Rain: averages 22 inches of rain a year
Snow: averages 39 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Westport town is 6.6 (10=best), which means it is less comfortable than most places in South Dakota.

9.2 Summer - 3.9 Winter
August, July and June are the most pleasant months in Westport town, while January and December are the least comfortable months.

  ClimateWestport, South DakotaUnited States
  21.7 in.38.1 in.
  39.2 in.27.8 in.
  86.2 days106.2 days
  199 days205 days
  83.5°85.8°
  0.9°21.7°
  6.67
  34.3
  1329 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 Westport town with an average high temperature of 83.5°, which ranks it as cooler than most places in South Dakota. In Westport town, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westport town are June, August and July.
In Westport town, there are 12.9 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.
January has the coldest nighttime temperatures for Westport town with an average of 0.9°. This is one of the coldest places in South Dakota.
In Westport town, there are 181.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Westport town, there are 38.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.
Humidity in Westport town 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 July, August and June.
June is the wettest month in Westport town with 3.5 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 21.7 inches in Westport town means that it is drier than most places in South Dakota.
June is the rainiest month in Westport town with 10.6 days of rain, and December is the driest month with only 5.2 rainy days. There are 86.2 rainy days annually in Westport town, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 18% chance of a rainy day.
An annual snowfall of 39.2 inches in Westport town means that it is snowier than most places in South Dakota. November is the snowiest month in Westport town with 7.8 inches of snow, and 7 months of the year have significant snowfall.
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