World Resorts USA Rapid City Weather

Summer weather in Rapid City

Weather in Rapid City in Summer

June July August
Average day temperature: 76.0°F 85.4°F 84.1°F
Average night temperature: 58.0°F 64.7°F 64.4°F
Number of sunny days: 17 days 20 days 22 days
Day length: 15.3 - 15.5 h. 14.6 - 15.4 h. 13.3 - 14.6 h.
Number of rainy days: 2 days 1 day 1 day
Precipitation totals: 0.9 in. 0.8 in. 0.5 in.

Day & Night air temperature, °F

June
July
August
0
14
28
42
56
70
84
98
112
84.1
85.4
76.0
64.4
64.7
58.0
Day temperature   
Night temperature

Precipitation total, in.

June
July
August
0.0
0.2
0.3
0.5
0.6
0.8
0.9
1.1
0.5
0.8
0.9
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
2
2
4
7
8
9
22
20
17
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
June
July
August
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.0
7.9
7.8
8.4
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
12
13
10.9
11.4
10.5

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Rapid City

Sunniest months:
September 24 days
August 22 days
July 20 days
Warmest months:
July 85.4 °F
August 84.1 °F
September 77.0 °F
Coldest months:
February 31.7 °F
January 32.3 °F
December 36.1 °F
Rainiest months:
April 2 days
May 2 days
June 2 days
Windiest months:
April 10.2 mph
December 9.2 mph
November 9.0 mph

Rapid City on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+41°F
+59°F
+73°F
+73°F
+45°F
+52°F
+77°F
+48°F
+73°F
+50°F
+48°F
+73°F
+73°F
+73°F
+43°F
24 Hours Forecast
Rapid City
Local time: 07:29
April 05, saturday
0900
34°F
E
6 mph
1200
43°F
SE
12 mph
1500
48°F
S
12 mph
1800
50°F
S
11 mph
2100
37°F
E
4 mph
April 06, sunday
0000
32°F
NE
6 mph
0300
32°F
NE
6 mph
0600
32°F
E
6 mph
Units of measurement: °C / °F