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Climate and Average Weather Year Round in South Dakota United States. We show the climate in South Dakota by comparing the average weather in 3 representative places: Sioux Falls, Rapid City, and Aberdeen. You can add or remove cities to customize the report to your liking. See all locations in South Dakota.
Summer in South Dakota is characterized by warm to hot conditions. Average high temperatures during July can vary from 80°F (26.7°C) to 90°F (32.2°C), with some days even surpassing 100°F (37.8°C), especially in the western semi-arid zones.
South Dakota, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year. South Dakota averages 39 inches of snow per year. The US average is 28 inches of snow per year. On average, there are 213 sunny days per year in South Dakota.
Climate in South Dakota. Average temperatures and precipitation amounts for more than 124 cities in South Dakota. A climate chart for your city, indicating the monthly high temperatures and rainfall.
Average annual temperatures at places in South Dakota, including a list of yearly high and low temperatures in degrees Fahrenheit and Celsius for cities, towns, parks and lakes.
Radar. Forecasts. Rivers and Lakes. Climate and Past Weather. Local Programs. The following graphics show averages for temperatures, precipitation, and snowfall for each day of the year and each month at several observing sites across western South Dakota and northeastern Wyoming.
In South Dakota, during the months of May and September you can expect comfortable weather, with average temperatures ranging from 20°C to 25°C . The coldest month is January with an average maximum temperature of -3°C. However, the specific temperature can vary depending on the exact location within the region. Additional climate insights:
