South Dakota weather in July

Thinking about venturing to South Dakota this July and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in South Dakota in July?

South Dakota is a region in the United States of America. July in South Dakota generally has temperatures that range from warm to very warm, with moderate precipitation. The month of July is in the summer season.

During the day temperatures vary from warm in Lead at 27°C to very warm in Pierre at 32°C. At night it cools down to 17°C in Pierre and 13°C in Lead. On average, July is the warmest month of the year in South Dakota. So be prepared and pack summer clothes.

In July, precipitation varies across different areas. From moderate rainfall in Belle Fourche with an average of 38 mm to moderate rainfall in Vermillion with 85 mm.

For specific regional insights in South Dakota for July, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our South Dakota climate page.

Where to go in South Dakota in July

Find the average weather conditions in July for the most popular destinations in South Dakota on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in South Dakota

What is the weather like in July for the 5 most popular destinations in South Dakota?

Average weather in Sioux Falls

In July Sioux Falls generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 17°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Sioux Falls
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
26°C 
14°C 
124 mm 
13 days 
29°C 
17°C 
80 mm 
8 days 
August   >> August
>>  
28°C 
16°C 
94 mm 
10 days 
Climate in Sioux Falls

Average weather in Pierre

In July Pierre generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 17°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Pierre
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
27°C 
13°C 
99 mm 
12 days 
32°C 
17°C 
52 mm 
9 days 
August   >> August
>>  
30°C 
15°C 
67 mm 
9 days 
Climate in Pierre

Average weather in Rapid City

In July Rapid City generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 16°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Rapid City
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
25°C 
12°C 
90 mm 
13 days 
30°C 
16°C 
55 mm 
11 days 
August   >> August
>>  
29°C 
15°C 
62 mm 
10 days 
Climate in Rapid City

Average weather in Deadwood

In July Deadwood generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Deadwood
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
23°C 
10°C 
105 mm 
14 days 
27°C 
14°C 
63 mm 
12 days 
August   >> August
>>  
26°C 
13°C 
69 mm 
11 days 
Climate in Deadwood

Average weather in Custer

In July Custer generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Custer
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   June June
<<  
22°C 
9°C 
79 mm 
14 days 
27°C 
12°C 
76 mm 
13 days 
August   >> August
>>  
26°C 
11°C 
62 mm 
14 days 
Climate in Custer

Is your destination not in the list? Have a look at other destinations in South Dakota, in the United States of America.

Is July the best time to visit South Dakota?

We consider July to be one of the best times to travel to South Dakota. Typically, the climate in Sioux Falls is perfect.

Generally speaking, the best visiting conditions can be found in May, July, August and September offering mostly perfect weather in Sioux Falls. The weather in January, February, March and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in South Dakota. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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 climate conditions. Find out where to go with our weather planner.