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May weather forecast in Rapid City
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
27
+11
+5
27 April, sun
+11
+5
Feels like
+6
664 mmHg
63%
7.8
m/s
NW
27 April, Sunday. day, 11°; night, 5°; clear
28
+11
+5
28 April, mon
+11
+5
Feels like
+5
664 mmHg
58%
7.6
m/s
NW
28 April, Monday. day, 11°; night, 5°; clear
29
+9
+5
29 April, tue
+9
+5
Feels like
+3
665 mmHg
56%
8.6
m/s
NW
29 April, Tuesday. day, 9°; night, 5°; rain
30
+11
+6
30 April, wed
+11
+6
Feels like
+6
666 mmHg
55%
8.1
m/s
NW
30 April, Wednesday. day, 11°; night, 6°; partly cloudy
1
+11
+6
1 May, thu
+11
+6
Feels like
+6
666 mmHg
55%
6.6
m/s
NW
1 May, Thursday. day, 11°; night, 6°; rain
2
+13
+7
2 May, fri
+13
+7
Feels like
+7
667 mmHg
54%
7.6
m/s
NW
2 May, Friday. day, 13°; night, 7°; overcast
3
+12
+8
3 May, sat
+12
+8
Feels like
+8
668 mmHg
57%
6.5
m/s
NW
3 May, Saturday. day, 12°; night, 8°; overcast
4
+16
+11
4 May, sun
+16
+11
Feels like
+13
667 mmHg
54%
5.5
m/s
S
4 May, Sunday. day, 16°; night, 11°; clear
5
+17
+10
5 May, mon
+17
+10
Feels like
+13
664 mmHg
56%
7.4
m/s
N
5 May, Monday. day, 17°; night, 10°; clear
6
+15
+8
6 May, tue
+15
+8
Feels like
+10
665 mmHg
54%
7.6
m/s
NW
6 May, Tuesday. day, 15°; night, 8°; rain
7
+12
+7
7 May, wed
+12
+7
Feels like
+7
667 mmHg
62%
7.6
m/s
N
7 May, Wednesday. day, 12°; night, 7°; overcast
8
+12
+7
8 May, thu
+12
+7
Feels like
+8
666 mmHg
69%
6.1
m/s
NE
8 May, Thursday. day, 12°; night, 7°; rain
9
+12
+7
9 May, fri
+12
+7
Feels like
+7
665 mmHg
68%
6.8
m/s
NW
9 May, Friday. day, 12°; night, 7°; rain
10
+12
+6
10 May, sat
+12
+6
Feels like
+6
668 mmHg
62%
8.3
m/s
NW
10 May, Saturday. day, 12°; night, 6°; partly cloudy
11
+14
+9
11 May, sun
+14
+9
Feels like
+8
668 mmHg
57%
7.9
m/s
NW
11 May, Sunday. day, 14°; night, 9°; overcast
12
+14
+9
12 May, mon
+14
+9
Feels like
+9
668 mmHg
56%
8
m/s
NW
12 May, Monday. day, 14°; night, 9°; partly cloudy
13
+14
+8
13 May, tue
+14
+8
Feels like
+9
669 mmHg
51%
7.6
m/s
N
13 May, Tuesday. day, 14°; night, 8°; partly cloudy
14
+14
+9
14 May, wed
+14
+9
Feels like
+9
669 mmHg
56%
6
m/s
NW
14 May, Wednesday. day, 14°; night, 9°; rain
15
+15
+10
15 May, thu
+15
+10
Feels like
+11
667 mmHg
58%
7.1
m/s
S
15 May, Thursday. day, 15°; night, 10°; rain
16
+17
+12
16 May, fri
+17
+12
Feels like
+13
666 mmHg
58%
7.4
m/s
NE
16 May, Friday. day, 17°; night, 12°; clear
17
+17
+11
17 May, sat
+17
+11
Feels like
+13
667 mmHg
56%
6.5
m/s
E
17 May, Saturday. day, 17°; night, 11°; rain
18
+16
+11
18 May, sun
+16
+11
Feels like
+13
665 mmHg
64%
6.9
m/s
N
18 May, Sunday. day, 16°; night, 11°; rain
19
+14
+9
19 May, mon
+14
+9
Feels like
+10
666 mmHg
63%
8.1
m/s
NW
19 May, Monday. day, 14°; night, 9°; rain
20
+15
+11
20 May, tue
+15
+11
Feels like
+11
667 mmHg
66%
6.6
m/s
SE
20 May, Tuesday. day, 15°; night, 11°; rain
21
+17
+12
21 May, wed
+17
+12
Feels like
+13
665 mmHg
68%
7.4
m/s
SE
21 May, Wednesday. day, 17°; night, 12°; clear
22
+16
+11
22 May, thu
+16
+11
Feels like
+13
666 mmHg
64%
7.1
m/s
SE
22 May, Thursday. day, 16°; night, 11°; overcast
23
+17
+12
23 May, fri
+17
+12
Feels like
+15
663 mmHg
74%
7.1
m/s
S
23 May, Friday. day, 17°; night, 12°; clear
24
+16
+11
24 May, sat
+16
+11
Feels like
+12
664 mmHg
68%
6.3
m/s
N
24 May, Saturday. day, 16°; night, 11°; rain
25
+16
+12
25 May, sun
+16
+12
Feels like
+13
666 mmHg
68%
5.5
m/s
SE
25 May, Sunday. day, 16°; night, 12°; rain
26
+17
+12
26 May, mon
+17
+12
Feels like
+14
666 mmHg
68%
6.3
m/s
W
26 May, Monday. day, 17°; night, 12°; clear
27
+18
+13
27 May, tue
+18
+13
Feels like
+15
665 mmHg
56%
6.5
m/s
SW
27 May, Tuesday. day, 18°; night, 13°; rain
28
+16
+11
28 May, wed
+16
+11
Feels like
+13
666 mmHg
62%
7.6
m/s
NW
28 May, Wednesday. day, 16°; night, 11°; rain
29
+17
+12
29 May, thu
+17
+12
Feels like
+14
667 mmHg
61%
7
m/s
SW
29 May, Thursday. day, 17°; night, 12°; rain
30
+18
+12
30 May, fri
+18
+12
Feels like
+14
666 mmHg
58%
7.9
m/s
NW
30 May, Friday. day, 18°; night, 12°; rain
31
+18
+13
31 May, sat
+18
+13
Feels like
+15
668 mmHg
63%
7.4
m/s
NW
31 May, Saturday. day, 18°; night, 13°; clear
Average data for 10 years
Rapid City May
7
sunny days
16
days with precipitation
8
cloudy days
7 sunny days; 16 days with precipitation; 8 cloudy days;
61
%
air humidity
5
m/s
Wind
NW
99
mm of precipitation
(15% of annual average)
air humidity 61%; 99 millimeters of precipitation (15% of annual average); Wind north-westerly 5 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NW
NW
NW
S
N
NW
N
NE
NW
NW
NW
NW
N
NW
S
NE
E
N
NW
SE
SE
SE
S
N
SE
W
SW
NW
SW
NW
NW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
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