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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
+4
−5
1 December, sun
+4
−5
Feels like
−3
664 mmHg
65%
2
m/s
NE
Climate normal
−1
−6
1 December, Sunday. day, 4°; night, -5°; partly cloudy
2
+7
−5
2 December, mon
+7
−5
Feels like
−4
665 mmHg
66%
2.8
m/s
W
Climate normal
−4
−7
2 December, Monday. day, 7°; night, -5°; mostly clear
3
+8
−4
3 December, tue
+8
−4
Feels like
−3
663 mmHg
56%
2.6
m/s
W
Climate normal
−5
−8
3 December, Tuesday. day, 8°; night, -4°; partly cloudy
4
+8
−2
4 December, wed
+8
−2
Feels like
−3
661 mmHg
57%
3.2
m/s
W
Climate normal
−5
−9
4 December, Wednesday. day, 8°; night, -2°; mostly clear
5
+8
+2
5 December, thu
+8
+2
Feels like
0
657 mmHg
64%
3.6
m/s
SW
Climate normal
−5
−9
5 December, Thursday. day, 8°; night, 2°; light rain
6
+9
+6
6 December, fri
+9
+6
Feels like
0
657 mmHg
62%
5
m/s
W
Climate normal
−6
−9
6 December, Friday. day, 9°; night, 6°; overcast
7
+10
+4
7 December, sat
+10
+4
Feels like
0
651 mmHg
64%
6.8
m/s
W
Climate normal
−5
−8
7 December, Saturday. day, 10°; night, 4°; light rain
8
+6
−2
8 December, sun
+6
−2
Feels like
−5
651 mmHg
65%
7.8
m/s
W
Climate normal
−5
−8
8 December, Sunday. day, 6°; night, -2°; snow
9
+2
−3
9 December, mon
+2
−3
Feels like
−7
660 mmHg
70%
4.9
m/s
W
Climate normal
−4
−6
9 December, Monday. day, 2°; night, -3°; partly cloudy
10
+4
−3
10 December, tue
+4
−3
Feels like
−5
662 mmHg
68%
5.4
m/s
W
Climate normal
−2
−5
10 December, Tuesday. day, 4°; night, -3°; sleet
11
+6
−1
11 December, wed
+6
−1
Feels like
−4
654 mmHg
69%
4.7
m/s
SW
Climate normal
−2
−5
11 December, Wednesday. day, 6°; night, -1°; overcast
12
+4
−1
12 December, thu
+4
−1
Feels like
−4
654 mmHg
72%
5.2
m/s
SW
Climate normal
−3
−5
12 December, Thursday. day, 4°; night, -1°; overcast
13
+4
+1
13 December, fri
+4
+1
Feels like
−5
641 mmHg
77%
5.9
m/s
SW
Climate normal
−4
−9
13 December, Friday. day, 4°; night, 1°; overcast
14
+2
+1
14 December, sat
+2
+1
Feels like
−5
596 mmHg
85%
6
m/s
SW
Climate normal
−5
−9
14 December, Saturday. day, 2°; night, 1°; light rain
15
+3
+3
15 December, sun
+3
+3
Feels like
−4
598 mmHg
85%
5.3
m/s
SW
Climate normal
−6
−10
15 December, Sunday. day, 3°; night, 3°; sleet
16
+4
+1
16 December, mon
+4
+1
Feels like
−1
598 mmHg
91%
5.2
m/s
SW
Climate normal
−6
−9
16 December, Monday. day, 4°; night, 1°; rain
17
0
−5
17 December, tue
0
−5
Feels like
−7
599 mmHg
79%
3.5
m/s
NW
Climate normal
−4
−7
17 December, Tuesday. day, 0°; night, -5°; sleet
18
−4
−7
18 December, wed
−4
−7
Feels like
−10
605 mmHg
56%
2.4
m/s
NW
Climate normal
−5
−8
18 December, Wednesday. day, -4°; night, -7°; clear
19
−3
−4
19 December, thu
−3
−4
Feels like
−10
606 mmHg
60%
4
m/s
SW
Climate normal
−5
−8
19 December, Thursday. day, -3°; night, -4°; clear
20
0
−1
20 December, fri
0
−1
Feels like
−7
606 mmHg
72%
4.5
m/s
SW
Climate normal
−4
−8
20 December, Friday. day, 0°; night, -1°; partly cloudy
21
+2
−1
21 December, sat
+2
−1
Feels like
−5
605 mmHg
74%
5
m/s
SW
Climate normal
−5
−9
21 December, Saturday. day, 2°; night, -1°; mostly clear
22
+2
−1
22 December, sun
+2
−1
Feels like
−5
605 mmHg
74%
3.8
m/s
S
Climate normal
−5
−9
22 December, Sunday. day, 2°; night, -1°; clear
23
+2
−2
23 December, mon
+2
−2
Feels like
−4
606 mmHg
81%
4
m/s
S
Climate normal
−6
−9
23 December, Monday. day, 2°; night, -2°; mostly clear
24
+1
−2
24 December, tue
+1
−2
Feels like
−5
605 mmHg
70%
3.8
m/s
SW
Climate normal
−7
−11
24 December, Tuesday. day, 1°; night, -2°; mostly clear
25
+2
−2
25 December, wed
+2
−2
Feels like
−5
602 mmHg
64%
3.7
m/s
S
Climate normal
−7
−9
25 December, Wednesday. day, 2°; night, -2°; clear
26
+1
−1
26 December, thu
+1
−1
Feels like
−6
600 mmHg
80%
5.3
m/s
S
Climate normal
−5
−8
26 December, Thursday. day, 1°; night, -1°; clear
27
+1
−3
27 December, fri
+1
−3
Feels like
−5
598 mmHg
80%
4.4
m/s
W
Climate normal
−4
−7
27 December, Friday. day, 1°; night, -3°; sleet
28
−1
−6
28 December, sat
−1
−6
Feels like
−8
607 mmHg
77%
2.5
m/s
SW
Climate normal
−6
−12
28 December, Saturday. day, -1°; night, -6°; mostly clear
29
−1
−3
29 December, sun
−1
−3
Feels like
−8
605 mmHg
79%
4.6
m/s
SW
Climate normal
−6
−10
29 December, Sunday. day, -1°; night, -3°; clear
30
0
−4
30 December, mon
0
−4
Feels like
−6
604 mmHg
77%
4.1
m/s
SW
Climate normal
−4
−11
30 December, Monday. day, 0°; night, -4°; 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
13
sunny days
9
days with precipitation
8
cloudy days
13 sunny days; 9 days with precipitation; 8 cloudy days;
71
%
air humidity
4.4
m/s
Wind
SW
21
mm of precipitation
(4% of annual average)
air humidity 71%; 21 millimeters of precipitation (4% of annual average); Wind south-westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NE
W
W
W
SW
W
W
W
W
W
SW
SW
SW
SW
SW
SW
NW
NW
SW
SW
SW
S
S
SW
S
S
W
SW
SW
SW
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
