World Resorts USA Sioux Falls Weather

Sioux Falls weather in July

Weather in Sioux Falls: July

Average day temperature: 83.0°F
Average night temperature: 66.4°F
Number of sunny days: 15 days
Day length: 14.6 - 15.4 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 100°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during July were 89.6°F and 68.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Sioux Falls in July is 0.9 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 8.5 mph It makes July lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 10.2.

Best time for vacation in Sioux Falls

Sunniest months:
September 20 days
October 19 days
July 15 days
Warmest months:
July 83.0 °F
August 82.6 °F
June 78.7 °F
Coldest months:
January 22.5 °F
February 28.0 °F
December 30.0 °F
Rainiest months:
May 3 days
July 2 days
June 2 days
Windiest months:
April 12.2 mph
March 11.2 mph
October 10.6 mph

Sioux Falls on a weather map

Sioux Falls
+66°F
SW 8 mph
Feels like: +66°F
Precip.: 15%
Places in USA:
Name
°F
+64°F
+75°F
+77°F
+81°F
+68°F
+81°F
+72°F
+75°F
+68°F
+66°F
+59°F
+68°F
+79°F
+79°F
+72°F
24 Hours Forecast
Sioux Falls
Local time: 04:02
August 14, friday
0600
66°F
W
7 mph
0900
68°F
W
11 mph
1200
68°F
W
11 mph
1500
72°F
NW
10 mph
1800
72°F
W
9 mph
2100
70°F
SW
6 mph
August 15, saturday
0000
70°F
SW
4 mph
0300
70°F
NW
1 mph
Units of measurement: °C / °F