Weather by month in South Dakota

South Dakota is a region in the United States of America. Many people wonder what the weather conditions are in South Dakota over the year. What is the best time to visit South Dakota?

This page shows the average weather conditions by month in South Dakota over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in South Dakota is generally poor. January is a winter month. The temperatures range from very low in Watertown with -5°C to low in Hot Springs with 5°C. On average, this month is one of the coldest months of the year in South Dakota. So be prepared and make sure to dress up warm.

Find more detailed climate information for South Dakota in January here.

In February the weather in South Dakota is generally poor. February is a winter month. The temperatures range from very low in Watertown with -5°C to low in Hot Springs with 5°C. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for South Dakota in February here.

In March the weather in South Dakota ranges from poor in Sioux Falls to unpleasant in Pierre. The temperatures range from low in Watertown with 4°C to moderate in Hot Springs with 13°C.

Find more detailed climate information for South Dakota in March here.

In April the weather in South Dakota is generally tolerable. The temperatures range from low in Custer with 11°C to moderate in Vermillion with 17°C.

Find more detailed climate information for South Dakota in April here.

In May the weather in South Dakota is generally perfect. The temperatures range from moderate in Custer with 16°C to high in Vermillion with 23°C.

Find more detailed climate information for South Dakota in May here.

In June the weather in South Dakota ranges from pleasant in Sioux Falls to perfect in Pierre. June is a summer month. The average maximum daytime temperatures are high and range from 22°C in Lead to 28°C in Vermillion.

Find more detailed climate information for South Dakota in June here.

In July the weather in South Dakota ranges from pleasant in Pierre to perfect in Sioux Falls. July is a summer month. The temperatures range from high in Lead with 27°C to very high in Pierre with 32°C. On average, this month is one of the warmest months of the year in South Dakota. So be prepared and make sure to dress lightly.

Find more detailed climate information for South Dakota in July here.

In August the weather in South Dakota ranges from pleasant in Pierre to perfect in Sioux Falls. August is a summer month. The temperatures range from high in Lead with 26°C to very high in Wall with 31°C.

Find more detailed climate information for South Dakota in August here.

In September the weather in South Dakota is generally perfect. The temperatures range from pleasant in Lead with 21°C to high in Hot Springs with 26°C.

Find more detailed climate information for South Dakota in September here.

In October the weather in South Dakota is generally tolerable. The temperatures range from moderate in Custer with 13°C to pleasant in Vermillion with 18°C.

Find more detailed climate information for South Dakota in October here.

In November the weather in South Dakota is generally unpleasant. The average maximum daytime temperatures are low and range from 6°C in Watertown to 10°C in Hot Springs.

Find more detailed climate information for South Dakota in November here.

In December the weather in South Dakota is generally poor. December is a winter month. The temperatures range from very low in Watertown with -4°C to low in Hot Springs with 3°C. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for South Dakota in December here.