Swan Lake, South Dakota 

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Climate in Swan Lake, South Dakota

Swan Lake, South Dakota gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Swan Lake averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 208 sunny days per year in Swan Lake. The US average is 205 sunny days.

Swan Lake gets some kind of precipitation, on average, 83 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 85 degrees
Winter Low: the January low is 8
Rain: averages 26 inches of rain a year
Snow: averages 33 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Swan Lake is 6.9 (10=best), which means it is more comfortable than most places in South Dakota.

6.9 / 10
June, August and September are the most pleasant months in Swan Lake, while January and December are the least comfortable months.

Climate Averages
  Swan Lake, South DakotaUnited States
  25.8 in.38.1 in.
  33.0 in.27.8 in.
  83.1 days106.2 days
  208 days205 days
  85.2°85.8°
  7.8°21.7°
  6.97
  3.54.3
  1273 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 Swan Lake with an average high temperature of 85.2°, which ranks it as about average compared to other places in South Dakota. In Swan Lake, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Swan Lake are September, June and August.


January has the coldest nighttime temperatures for Swan Lake with an average of 7.8°. This is about average compared to other places in South Dakota.


In Swan Lake, there are 19.9 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.


In Swan Lake, there are 157.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.


In Swan Lake, there are 23.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.


June is the wettest month in Swan Lake with 4.0 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 39% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 25.8 inches in Swan Lake means that it is wetter than most places in South Dakota.


May is the rainiest month in Swan Lake with 11.0 days of rain, and February is the driest month with only 4.0 rainy days. There are 83.1 rainy days annually in Swan Lake, which is rainier than most places in South Dakota. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 15% chance of a rainy day.


An annual snowfall of 33.0 inches in Swan Lake means that it is less snowy than most places in South Dakota. December is the snowiest month in Swan Lake with 7.1 inches of snow, and 7 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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