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December 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
30
0
−8
30 November, sun
0
−8
Feels like
−10
622 mmHg
75%
3.9
m/s
SW
30 November, Sunday. day, 0°; night, -8°; overcast
1
0
−7
1 December, mon
0
−7
Feels like
−9
622 mmHg
77%
4.19
m/s
SW
1 December, Monday. day, 0°; night, -7°; partly cloudy
2
0
−7
2 December, tue
0
−7
Feels like
−9
622 mmHg
75%
4.3
m/s
SW
2 December, Tuesday. day, 0°; night, -7°; clear
3
0
−7
3 December, wed
0
−7
Feels like
−10
623 mmHg
75%
4.3
m/s
SW
3 December, Wednesday. day, 0°; night, -7°; partly cloudy
4
−1
−8
4 December, thu
−1
−8
Feels like
−10
624 mmHg
75%
4.19
m/s
SW
4 December, Thursday. day, -1°; night, -8°; partly cloudy
5
−1
−9
5 December, fri
−1
−9
Feels like
−11
623 mmHg
75%
4.1
m/s
SW
5 December, Friday. day, -1°; night, -9°; clear
6
−1
−10
6 December, sat
−1
−10
Feels like
−12
623 mmHg
76%
3.8
m/s
SW
6 December, Saturday. day, -1°; night, -10°; clear
7
−2
−9
7 December, sun
−2
−9
Feels like
−11
622 mmHg
75%
3.9
m/s
SW
7 December, Sunday. day, -2°; night, -9°; partly cloudy
8
−2
−10
8 December, mon
−2
−10
Feels like
−12
622 mmHg
76%
3.8
m/s
SW
8 December, Monday. day, -2°; night, -10°; partly cloudy
9
−2
−10
9 December, tue
−2
−10
Feels like
−12
623 mmHg
75%
4.1
m/s
SW
9 December, Tuesday. day, -2°; night, -10°; clear
10
−1
−8
10 December, wed
−1
−8
Feels like
−10
623 mmHg
76%
4
m/s
SW
10 December, Wednesday. day, -1°; night, -8°; partly cloudy
11
0
−7
11 December, thu
0
−7
Feels like
−9
622 mmHg
76%
3.9
m/s
SW
11 December, Thursday. day, 0°; night, -7°; partly cloudy
12
0
−7
12 December, fri
0
−7
Feels like
−9
621 mmHg
77%
3.9
m/s
SW
12 December, Friday. day, 0°; night, -7°; overcast
13
0
−8
13 December, sat
0
−8
Feels like
−10
621 mmHg
77%
3.9
m/s
SW
13 December, Saturday. day, 0°; night, -8°; rain
14
−1
−8
14 December, sun
−1
−8
Feels like
−10
621 mmHg
77%
3.9
m/s
SW
14 December, Sunday. day, -1°; night, -8°; rain
15
−2
−8
15 December, mon
−2
−8
Feels like
−11
622 mmHg
76%
4.1
m/s
SW
15 December, Monday. day, -2°; night, -8°; overcast
16
−1
−9
16 December, tue
−1
−9
Feels like
−11
623 mmHg
75%
4.19
m/s
SW
16 December, Tuesday. day, -1°; night, -9°; overcast
17
−2
−9
17 December, wed
−2
−9
Feels like
−11
623 mmHg
75%
3.9
m/s
SW
17 December, Wednesday. day, -2°; night, -9°; clear
18
−2
−10
18 December, thu
−2
−10
Feels like
−12
622 mmHg
75%
3.8
m/s
SW
18 December, Thursday. day, -2°; night, -10°; partly cloudy
19
−2
−10
19 December, fri
−2
−10
Feels like
−12
622 mmHg
76%
3.8
m/s
S
19 December, Friday. day, -2°; night, -10°; partly cloudy
20
−2
−9
20 December, sat
−2
−9
Feels like
−11
622 mmHg
77%
3.6
m/s
S
20 December, Saturday. day, -2°; night, -9°; snow
21
−2
−9
21 December, sun
−2
−9
Feels like
−11
621 mmHg
78%
3.9
m/s
SW
21 December, Sunday. day, -2°; night, -9°; snow
22
−4
−10
22 December, mon
−4
−10
Feels like
−13
622 mmHg
79%
3.5
m/s
SW
22 December, Monday. day, -4°; night, -10°; clear
23
−4
−12
23 December, tue
−4
−12
Feels like
−14
622 mmHg
77%
3.5
m/s
SW
23 December, Tuesday. day, -4°; night, -12°; clear
24
−3
−10
24 December, wed
−3
−10
Feels like
−12
623 mmHg
77%
3.6
m/s
SW
24 December, Wednesday. day, -3°; night, -10°; partly cloudy
25
−3
−10
25 December, thu
−3
−10
Feels like
−12
623 mmHg
78%
3.2
m/s
SW
25 December, Thursday. day, -3°; night, -10°; snow
26
−3
−11
26 December, fri
−3
−11
Feels like
−13
621 mmHg
77%
3.3
m/s
SW
26 December, Friday. day, -3°; night, -11°; partly cloudy
27
−2
−10
27 December, sat
−2
−10
Feels like
−12
621 mmHg
77%
3.9
m/s
SW
27 December, Saturday. day, -2°; night, -10°; partly cloudy
28
−1
−8
28 December, sun
−1
−8
Feels like
−11
621 mmHg
77%
4.19
m/s
SW
28 December, Sunday. day, -1°; night, -8°; rain
29
−2
−9
29 December, mon
−2
−9
Feels like
−12
621 mmHg
80%
3.9
m/s
S
29 December, Monday. day, -2°; night, -9°; snow
30
−3
−10
30 December, tue
−3
−10
Feels like
−12
620 mmHg
79%
4
m/s
SW
30 December, Tuesday. day, -3°; night, -10°; snow
31
−3
−10
31 December, wed
−3
−10
Feels like
−12
621 mmHg
79%
3.6
m/s
SW
31 December, Wednesday. day, -3°; night, -10°; snow
1
−4
−11
1 January, thu
−4
−11
Feels like
−13
622 mmHg
78%
3.8
m/s
SW
1 January, Thursday. day, -4°; night, -11°; snow
2
−2
−10
2 January, fri
−2
−10
Feels like
−12
622 mmHg
78%
3.5
m/s
SW
2 January, Friday. day, -2°; night, -10°; snow
3
−2
−11
3 January, sat
−2
−11
Feels like
−12
621 mmHg
76%
3.7
m/s
SW
3 January, Saturday. day, -2°; night, -11°; clear
Average data for 10 years
Helena December
7
sunny days
9
days with precipitation
9
cloudy days
7 sunny days; 9 days with precipitation; 9 cloudy days;
77
%
air humidity
2.7
m/s
Wind
SW
35
mm of precipitation
(7% of annual average)
air humidity 77%; 35 millimeters of precipitation (7% of annual average); Wind south-westerly 2.7 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
SW
S
S
SW
SW
SW
SW
SW
SW
SW
SW
S
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
Cities near you
West Yellowstone
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Bozeman
Billings
Cody
Jackson
Missoula
Idaho Falls
Big Sky
Cities with similar weather in December
Ust-Kamenogorsk
Uralsk
Cholpon-Ata
Atyrau
Baikonur
Ottawa
Nuuk
Balkhash
Gudauri
