Mellette, SD Climate


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United States / South Dakota / No Metro Area / Spink County / Mellette / Zip Codes
Mellette, SD has a temperate climate with warm summers and cold winters. Average summer temperatures range from lows in the mid-50s to highs in the upper 80s. Winter temperatures can reach lows of around 0 degrees Fahrenheit and highs in the low-30s. The area receives an average of 22 inches of rainfall per year, with most of it coming during the spring months. Snowfall averages 17 inches annually, primarily falling between October and April. Mellette experiences all four distinct seasons, making it an ideal place for those who enjoy experiencing the changing of nature throughout the year.

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

Mellette averages 30 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 Mellette. The US average is 205 sunny days.

Mellette gets some kind of precipitation, on average, 80 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 2
Rain: averages 22 inches of rain a year
Snow: averages 30 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Mellette is 6.7 (10=best), which means it is less comfortable than most places in South Dakota.

9.2 Summer - 4.2 Winter
August, July and June are the most pleasant months in Mellette, while January and December are the least comfortable months.

  ClimateMellette, South DakotaUnited States
  22.0 in.38.1 in.
  29.7 in.27.8 in.
  80.3 days106.2 days
  208 days205 days
  84.0°85.8°
  1.9°21.7°
  6.77
  3.64.3
  1299 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 Mellette with an average high temperature of 84.0°, which ranks it as cooler than most places in South Dakota. In Mellette, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mellette are June, August and September.
In Mellette, there are 15.7 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.
January has the coldest nighttime temperatures for Mellette with an average of 1.9°. This is one of the coldest places in South Dakota.
In Mellette, there are 178.4 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.
In Mellette, there are 36.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in South Dakota.
Humidity in Mellette is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.
June is the wettest month in Mellette with 3.5 inches of rain, and the driest month is December with 0.4 inches. The wettest season is Autumn with 42% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 22.0 inches in Mellette means that it is drier than most places in South Dakota.
June is the rainiest month in Mellette with 10.1 days of rain, and February is the driest month with only 4.5 rainy days. There are 80.3 rainy days annually in Mellette, which is about average compared to other places in South Dakota. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 17% chance of a rainy day.
An annual snowfall of 29.7 inches in Mellette means that it is one of the least snowy places in South Dakota. February is the snowiest month in Mellette with 6.3 inches of snow, and 6 months of the year have significant snowfall.
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