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May weather forecast in Helena
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
+12
0
27 April, sun
+12
0
Feels like
0
624 mmHg
61%
5
m/s
S
27 April, Sunday. day, 12°; night, 0°; rain
28
+11
0
28 April, mon
+11
0
Feels like
0
624 mmHg
64%
5.2
m/s
S
28 April, Monday. day, 11°; night, 0°; rain
29
+10
0
29 April, tue
+10
0
Feels like
0
625 mmHg
64%
4.8
m/s
S
29 April, Tuesday. day, 10°; night, 0°; clear
30
+11
0
30 April, wed
+11
0
Feels like
0
625 mmHg
64%
4.6
m/s
SW
30 April, Wednesday. day, 11°; night, 0°; rain
1
+11
−1
1 May, thu
+11
−1
Feels like
0
625 mmHg
63%
4.3
m/s
SW
1 May, Thursday. day, 11°; night, -1°; clear
2
+12
0
2 May, fri
+12
0
Feels like
+1
624 mmHg
58%
4.5
m/s
SW
2 May, Friday. day, 12°; night, 0°; clear
3
+14
0
3 May, sat
+14
0
Feels like
+2
624 mmHg
61%
4.4
m/s
SW
3 May, Saturday. day, 14°; night, 0°; clear
4
+14
+1
4 May, sun
+14
+1
Feels like
+2
624 mmHg
60%
4.9
m/s
SW
4 May, Sunday. day, 14°; night, 1°; clear
5
+14
+1
5 May, mon
+14
+1
Feels like
+3
624 mmHg
58%
4.69
m/s
SW
5 May, Monday. day, 14°; night, 1°; partly cloudy
6
+14
+1
6 May, tue
+14
+1
Feels like
+3
624 mmHg
61%
4.8
m/s
S
6 May, Tuesday. day, 14°; night, 1°; partly cloudy
7
+13
+1
7 May, wed
+13
+1
Feels like
+2
624 mmHg
64%
4.69
m/s
SW
7 May, Wednesday. day, 13°; night, 1°; rain
8
+12
0
8 May, thu
+12
0
Feels like
+2
625 mmHg
64%
4.6
m/s
SW
8 May, Thursday. day, 12°; night, 0°; clear
9
+12
+1
9 May, fri
+12
+1
Feels like
+2
625 mmHg
63%
4.3
m/s
S
9 May, Friday. day, 12°; night, 1°; rain
10
+12
0
10 May, sat
+12
0
Feels like
+2
626 mmHg
63%
4.1
m/s
S
10 May, Saturday. day, 12°; night, 0°; rain
11
+13
0
11 May, sun
+13
0
Feels like
+2
626 mmHg
63%
4.1
m/s
S
11 May, Sunday. day, 13°; night, 0°; partly cloudy
12
+15
+1
12 May, mon
+15
+1
Feels like
+4
625 mmHg
62%
4.3
m/s
S
12 May, Monday. day, 15°; night, 1°; rain
13
+15
+2
13 May, tue
+15
+2
Feels like
+4
626 mmHg
62%
4.6
m/s
SW
13 May, Tuesday. day, 15°; night, 2°; partly cloudy
14
+16
+2
14 May, wed
+16
+2
Feels like
+5
626 mmHg
60%
4.3
m/s
S
14 May, Wednesday. day, 16°; night, 2°; clear
15
+17
+3
15 May, thu
+17
+3
Feels like
+6
626 mmHg
61%
4.1
m/s
SW
15 May, Thursday. day, 17°; night, 3°; clear
16
+17
+4
16 May, fri
+17
+4
Feels like
+7
625 mmHg
63%
4
m/s
S
16 May, Friday. day, 17°; night, 4°; rain
17
+17
+4
17 May, sat
+17
+4
Feels like
+6
624 mmHg
63%
4.4
m/s
S
17 May, Saturday. day, 17°; night, 4°; rain
18
+16
+4
18 May, sun
+16
+4
Feels like
+6
625 mmHg
63%
4.6
m/s
S
18 May, Sunday. day, 16°; night, 4°; overcast
19
+16
+3
19 May, mon
+16
+3
Feels like
+5
625 mmHg
64%
4.69
m/s
SW
19 May, Monday. day, 16°; night, 3°; rain
20
+15
+3
20 May, tue
+15
+3
Feels like
+5
625 mmHg
65%
4.6
m/s
S
20 May, Tuesday. day, 15°; night, 3°; partly cloudy
21
+15
+3
21 May, wed
+15
+3
Feels like
+5
624 mmHg
66%
4.5
m/s
S
21 May, Wednesday. day, 15°; night, 3°; rain
22
+15
+3
22 May, thu
+15
+3
Feels like
+5
624 mmHg
68%
4.3
m/s
S
22 May, Thursday. day, 15°; night, 3°; rain
23
+14
+3
23 May, fri
+14
+3
Feels like
+5
625 mmHg
67%
4.1
m/s
SW
23 May, Friday. day, 14°; night, 3°; rain
24
+15
+4
24 May, sat
+15
+4
Feels like
+6
625 mmHg
68%
4.3
m/s
SW
24 May, Saturday. day, 15°; night, 4°; rain
25
+16
+3
25 May, sun
+16
+3
Feels like
+6
625 mmHg
68%
4.19
m/s
SW
25 May, Sunday. day, 16°; night, 3°; rain
26
+16
+5
26 May, mon
+16
+5
Feels like
+7
625 mmHg
68%
4.3
m/s
S
26 May, Monday. day, 16°; night, 5°; rain
27
+17
+5
27 May, tue
+17
+5
Feels like
+7
625 mmHg
67%
4.3
m/s
S
27 May, Tuesday. day, 17°; night, 5°; overcast
28
+17
+4
28 May, wed
+17
+4
Feels like
+7
625 mmHg
66%
4
m/s
SW
28 May, Wednesday. day, 17°; night, 4°; rain
29
+17
+5
29 May, thu
+17
+5
Feels like
+7
625 mmHg
66%
4.1
m/s
SW
29 May, Thursday. day, 17°; night, 5°; rain
30
+17
+4
30 May, fri
+17
+4
Feels like
+7
626 mmHg
64%
4.19
m/s
SW
30 May, Friday. day, 17°; night, 4°; clear
31
+18
+5
31 May, sat
+18
+5
Feels like
+8
626 mmHg
64%
4.4
m/s
SW
31 May, Saturday. day, 18°; night, 5°; rain
Average data for 10 years
Helena May
8
sunny days
16
days with precipitation
9
cloudy days
8 sunny days; 16 days with precipitation; 9 cloudy days;
64
%
air humidity
2.5
m/s
Wind
S
79
mm of precipitation
(15% of annual average)
air humidity 64%; 79 millimeters of precipitation (15% of annual average); Wind southerly 2.5 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
S
SW
SW
S
S
S
S
SW
S
SW
S
S
S
SW
S
S
S
SW
SW
SW
S
S
SW
SW
SW
SW
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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