Onaka, SD Climate


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United States / South Dakota / No Metro Area / Faulk County / Onaka / Zip Codes
Onaka, SD has a generally mild climate with hot summers and cold winters. The average summer temperature is around 81°F (27°C), while the average winter temperature is 28°F (-2°C). Rainfall throughout the year is moderate, averaging approximately 15 inches per year. Snow typically falls during the winter months, and the amount of snow accumulation can vary dramatically from year to year. Overall, Onaka enjoys a comfortable climate that makes it an enjoyable place to be all year round.

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Onaka 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 Onaka, while January and December are the least comfortable months.

  ClimateOnaka, South DakotaUnited States
  20.5 in.38.1 in.
  36.9 in.27.8 in.
  67.2 days106.2 days
  200 days205 days
  84.7°85.8°
  4.3°21.7°
  6.77
  3.74.3
  1873 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 Onaka with an average high temperature of 84.7°, which ranks it as about average compared to other places in South Dakota. In Onaka, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Onaka are June, September and August.
In Onaka, there are 19.4 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 Onaka with an average of 4.3°. This is colder than most places in South Dakota.
In Onaka, there are 176.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Dakota.
In Onaka, there are 32.5 days annually when the nighttime low temperature falls below zero°, which is colder than most places in South Dakota.
Humidity in Onaka 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 Onaka with 3.4 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 43% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 20.5 inches in Onaka means that it is drier than most places in South Dakota.
June is the rainiest month in Onaka with 9.3 days of rain, and December is the driest month with only 3.5 rainy days. There are 67.2 rainy days annually in Onaka, which is one of the least rainy places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 16% chance of a rainy day.
An annual snowfall of 36.9 inches in Onaka means that it is about average compared to other places in South Dakota. March is the snowiest month in Onaka with 6.8 inches of snow, and 7 months of the year have significant snowfall.
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