Sioux Falls weather in May (South Dakota, United States of America)

Thinking of visiting Sioux Falls in May? Check the weather first! Want to know if this month is ideal for visiting? Our guide provides detailed weather information.

Temperatures

Experience perfect weather in Sioux Falls during May, featuring pleasant temperatures and moderate rainfall. Expect the temperatures during the day to hover around 21°C. At night, they will likely drop to about 8°C.

Precipitation

Sioux Falls in May usually receives moderate rainfall, averaging around 91 mm for the month. According to historical climate patterns, there are usually around 12 days days of rain.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, July, August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Sioux Falls climate page with graphs.

 

Sioux Falls, monthly averages in May

Min Temperature 8°C  

Max Temperature 21°C  

Chance of Rain 41%  

Precipitation 91 mm  

Rainy days 12 days  

Humidity 64%  

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Sioux Falls, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Sioux Falls.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.