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Monthly 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
1
December
+6
−5
1 December, sun
+6
−5
Feels like
−4
664 mmHg
65%
2.1
m/s
NE
Climate normal
−1
−6
1 December, Sunday. day, 6°; night, -5°; partly cloudy
2
+7
−5
2 December, mon
+7
−5
Feels like
−3
665 mmHg
65%
2.7
m/s
W
Climate normal
−4
−7
2 December, Monday. day, 7°; night, -5°; mostly clear
3
+8
−5
3 December, tue
+8
−5
Feels like
−2
662 mmHg
57%
2.3
m/s
W
Climate normal
−5
−8
3 December, Tuesday. day, 8°; night, -5°; partly cloudy
4
+8
−1
4 December, wed
+8
−1
Feels like
−4
662 mmHg
61%
3.1
m/s
W
Climate normal
−5
−9
4 December, Wednesday. day, 8°; night, -1°; mostly clear
5
+9
+2
5 December, thu
+9
+2
Feels like
+1
657 mmHg
65%
3.3
m/s
SW
Climate normal
−5
−9
5 December, Thursday. day, 9°; night, 2°; light rain
6
+9
+5
6 December, fri
+9
+5
Feels like
−1
658 mmHg
65%
5.2
m/s
W
Climate normal
−6
−9
6 December, Friday. day, 9°; night, 5°; overcast
7
+9
+4
7 December, sat
+9
+4
Feels like
+1
651 mmHg
65%
6.2
m/s
W
Climate normal
−5
−8
7 December, Saturday. day, 9°; night, 4°; light rain
8
+4
−2
8 December, sun
+4
−2
Feels like
−5
651 mmHg
68%
8.1
m/s
W
Climate normal
−5
−8
8 December, Sunday. day, 4°; night, -2°; snow
9
+2
−2
9 December, mon
+2
−2
Feels like
−7
660 mmHg
71%
4.8
m/s
NW
Climate normal
−4
−6
9 December, Monday. day, 2°; night, -2°; partly cloudy
10
+3
−2
10 December, tue
+3
−2
Feels like
−5
661 mmHg
70%
5.1
m/s
W
Climate normal
−2
−5
10 December, Tuesday. day, 3°; night, -2°; sleet
11
+4
−3
11 December, wed
+4
−3
Feels like
−6
654 mmHg
72%
4.8
m/s
SW
Climate normal
−2
−5
11 December, Wednesday. day, 4°; night, -3°; overcast
12
+2
−8
12 December, thu
+2
−8
Feels like
−6
654 mmHg
74%
5.5
m/s
W
Climate normal
−3
−5
12 December, Thursday. day, 2°; night, -8°; overcast
13
+4
+3
13 December, fri
+4
+3
Feels like
−8
639 mmHg
78%
6
m/s
W
Climate normal
−4
−9
13 December, Friday. day, 4°; night, 3°; overcast
14
+5
+2
14 December, sat
+5
+2
Feels like
−3
598 mmHg
79%
7.1
m/s
SW
Climate normal
−5
−9
14 December, Saturday. day, 5°; night, 2°; partly cloudy
15
+5
+7
15 December, sun
+5
+7
Feels like
−2
599 mmHg
80%
6.3
m/s
S
Climate normal
−6
−10
15 December, Sunday. day, 5°; night, 7°; light rain
16
+5
+2
16 December, mon
+5
+2
Feels like
0
601 mmHg
83%
3.8
m/s
W
Climate normal
−6
−9
16 December, Monday. day, 5°; night, 2°; rain
17
0
−4
17 December, tue
0
−4
Feels like
−7
603 mmHg
82%
3.7
m/s
NW
Climate normal
−4
−7
17 December, Tuesday. day, 0°; night, -4°; sleet
18
−1
−3
18 December, wed
−1
−3
Feels like
−7
604 mmHg
63%
3.7
m/s
SW
Climate normal
−5
−8
18 December, Wednesday. day, -1°; night, -3°; clear
19
+1
0
19 December, thu
+1
0
Feels like
−6
604 mmHg
64%
5
m/s
S
Climate normal
−5
−8
19 December, Thursday. day, 1°; night, 0°; mostly clear
20
+1
0
20 December, fri
+1
0
Feels like
−5
604 mmHg
87%
5.5
m/s
SW
Climate normal
−4
−8
20 December, Friday. day, 1°; night, 0°; partly cloudy
21
+2
−1
21 December, sat
+2
−1
Feels like
−5
603 mmHg
77%
5.5
m/s
S
Climate normal
−5
−9
21 December, Saturday. day, 2°; night, -1°; mostly clear
22
+1
−1
22 December, sun
+1
−1
Feels like
−5
602 mmHg
86%
3.2
m/s
SW
Climate normal
−5
−9
22 December, Sunday. day, 1°; night, -1°; partly cloudy
23
+1
−1
23 December, mon
+1
−1
Feels like
−3
601 mmHg
93%
2.6
m/s
SW
Climate normal
−6
−9
23 December, Monday. day, 1°; night, -1°; sleet
24
+1
−2
24 December, tue
+1
−2
Feels like
−5
601 mmHg
88%
2.3
m/s
SW
Climate normal
−7
−11
24 December, Tuesday. day, 1°; night, -2°; partly cloudy
25
−1
−3
25 December, wed
−1
−3
Feels like
−7
605 mmHg
84%
4.1
m/s
W
Climate normal
−7
−9
25 December, Wednesday. day, -1°; night, -3°; mostly clear
26
0
−2
26 December, thu
0
−2
Feels like
−7
606 mmHg
80%
4.9
m/s
SW
Climate normal
−5
−8
26 December, Thursday. day, 0°; night, -2°; partly cloudy
27
0
−4
27 December, fri
0
−4
Feels like
−7
601 mmHg
80%
4.7
m/s
W
Climate normal
−4
−7
27 December, Friday. day, 0°; night, -4°; sleet
28
−3
−6
28 December, sat
−3
−6
Feels like
−9
601 mmHg
77%
5.3
m/s
NE
Climate normal
−6
−12
28 December, Saturday. day, -3°; night, -6°; light snow
29
−8
−15
29 December, sun
−8
−15
Feels like
−17
603 mmHg
79%
5.2
m/s
NE
Climate normal
−6
−10
29 December, Sunday. day, -8°; night, -15°; partly cloudy
30
−13
−15
30 December, mon
−13
−15
Feels like
−19
603 mmHg
77%
2.5
m/s
E
Climate normal
−4
−11
30 December, Monday. day, -13°; night, -15°; mostly clear
Average data for 10 years
Next, the average data for 10 years
31
−4
−11
31 December, tue
−4
−11
Feels like
−10
669 mmHg
86%
5.6
m/s
W
31 December, Tuesday. day, -4°; night, -11°; partly cloudy
1 January
−5
−9
1 January, wed
−5
−9
Feels like
−11
668 mmHg
87%
6.3
m/s
SW
1 January, Wednesday. day, -5°; night, -9°; partly cloudy
2
−4
−8
2 January, thu
−4
−8
Feels like
−10
668 mmHg
87%
5.6
m/s
SW
2 January, Thursday. day, -4°; night, -8°; partly cloudy
3
−5
−9
3 January, fri
−5
−9
Feels like
−11
669 mmHg
85%
5.1
m/s
SW
3 January, Friday. day, -5°; night, -9°; clear
4
−6
−7
4 January, sat
−6
−7
Feels like
−11
668 mmHg
87%
5.1
m/s
SW
4 January, Saturday. day, -6°; night, -7°; overcast
Average for 30 days
7
sunny days
10
days with precipitation
13
cloudy days
7 sunny days; 10 days with precipitation; 13 cloudy days;
75
%
air humidity
4.5
m/s
Wind
W
21
mm of precipitation
(4% of annual average)
air humidity 75%; 21 millimeters of precipitation (4% of annual average); Wind westerly 4.5 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
W
W
W
SW
W
W
W
NW
W
SW
W
W
SW
S
W
NW
SW
S
SW
S
SW
SW
SW
W
SW
W
NE
NE
E
1
December
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
Daytime temperature
Night-time temperature
