Jamesville, SD Climate


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United States / South Dakota / Yankton Metro Area / Yankton County / Jamesville / Zip Codes
Jamesville, SD has a mild climate with hot summers and cold winters. The temperatures in the summer can reach the high 90s while the winter temperatures tend to drop to below freezing. Precipitation is fairly consistent throughout the year, with an average of about 35 inches of rainfall each year. Snowfall amounts vary from year to year, but on average Jamesville receives between 15 and 20 inches of snow annually. Generally speaking, the climate in Jamesville is comfortable and conducive to outdoor activities all year round.

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

Jamesville averages 36 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 211 sunny days per year in Jamesville. The US average is 205 sunny days.

Jamesville gets some kind of precipitation, on average, 82 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 86 degrees
Winter Low: the January low is 9
Rain: averages 26 inches of rain a year
Snow: averages 36 inches of snow a year

Bestplaces Comfort Index

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

9 Summer - 4.5 Winter
June, August and September are the most pleasant months in Jamesville, while January and December are the least comfortable months.

  ClimateJamesville, South DakotaUnited States
    Unlock38.1 in.
  35.7 in.  Unlock
    Unlock106.2 days
  211 days  Unlock
  85.8°85.8°
    Unlock21.7°
  6.9  Unlock
    Unlock4.3
  1181 ft.  Unlock
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 Jamesville with an average high temperature of 85.8°, which ranks it as warmer than most places in South Dakota. In Jamesville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jamesville are September, June and August.
In Jamesville, there are 23.3 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.
January has the coldest nighttime temperatures for Jamesville with an average of 8.6°. This is warmer than most places in South Dakota.
In Jamesville, there are 157.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.
In Jamesville, there are 21.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.
The humidity is usually comfortable in Jamesville but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
June is the wettest month in Jamesville with 3.7 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 38% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 25.5 inches in Jamesville means that it is wetter than most places in South Dakota.
May is the rainiest month in Jamesville with 10.2 days of rain, and January is the driest month with only 4.3 rainy days. There are 82.2 rainy days annually in Jamesville, which is about average compared to other places in South Dakota. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 16% chance of a rainy day.
An annual snowfall of 35.7 inches in Jamesville means that it is less snowy than most places in South Dakota. December is the snowiest month in Jamesville with 7.2 inches of snow, and 7 months of the year have significant snowfall.
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