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December weather forecast in Boulder
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
+3
−1
1 December, sun
+3
−1
Feels like
−2
645 mmHg
50%
5.3
m/s
W
1 December, Sunday. day, 3°; night, -1°; overcast
2
+3
−4
2 December, mon
+3
−4
Feels like
−3
645 mmHg
51%
5.5
m/s
SW
2 December, Monday. day, 3°; night, -4°; partly cloudy
3
−3
−7
3 December, tue
−3
−7
Feels like
−8
646 mmHg
55%
5.5
m/s
W
3 December, Tuesday. day, -3°; night, -7°; partly cloudy
4
−3
−7
4 December, wed
−3
−7
Feels like
−8
649 mmHg
51%
4.5
m/s
W
4 December, Wednesday. day, -3°; night, -7°; partly cloudy
5
−1
−6
5 December, thu
−1
−6
Feels like
−7
648 mmHg
55%
5.8
m/s
W
5 December, Thursday. day, -1°; night, -6°; partly cloudy
6
−2
−5
6 December, fri
−2
−5
Feels like
−7
648 mmHg
57%
5
m/s
W
6 December, Friday. day, -2°; night, -5°; partly cloudy
7
−1
−5
7 December, sat
−1
−5
Feels like
−6
646 mmHg
56%
5.3
m/s
W
7 December, Saturday. day, -1°; night, -5°; partly cloudy
8
−1
−5
8 December, sun
−1
−5
Feels like
−7
646 mmHg
47%
6.6
m/s
W
8 December, Sunday. day, -1°; night, -5°; partly cloudy
9
+1
−5
9 December, mon
+1
−5
Feels like
−5
647 mmHg
49%
6.4
m/s
W
9 December, Monday. day, 1°; night, -5°; clear
10
+1
−3
10 December, tue
+1
−3
Feels like
−4
646 mmHg
47%
5.6
m/s
W
10 December, Tuesday. day, 1°; night, -3°; clear
11
+2
−1
11 December, wed
+2
−1
Feels like
−4
646 mmHg
56%
6
m/s
W
11 December, Wednesday. day, 2°; night, -1°; partly cloudy
12
+3
−1
12 December, thu
+3
−1
Feels like
−2
643 mmHg
52%
5.8
m/s
W
12 December, Thursday. day, 3°; night, -1°; partly cloudy
13
+2
−3
13 December, fri
+2
−3
Feels like
−3
642 mmHg
56%
4.5
m/s
W
13 December, Friday. day, 2°; night, -3°; partly cloudy
14
−2
−5
14 December, sat
−2
−5
Feels like
−7
644 mmHg
56%
5.9
m/s
W
14 December, Saturday. day, -2°; night, -5°; clear
15
−1
−5
15 December, sun
−1
−5
Feels like
−7
646 mmHg
56%
6
m/s
W
15 December, Sunday. day, -1°; night, -5°; overcast
16
−1
−6
16 December, mon
−1
−6
Feels like
−6
645 mmHg
61%
5
m/s
W
16 December, Monday. day, -1°; night, -6°; partly cloudy
17
0
−4
17 December, tue
0
−4
Feels like
−5
644 mmHg
61%
4.8
m/s
W
17 December, Tuesday. day, 0°; night, -4°; clear
18
0
−4
18 December, wed
0
−4
Feels like
−5
644 mmHg
62%
4.8
m/s
W
18 December, Wednesday. day, 0°; night, -4°; partly cloudy
19
+1
−4
19 December, thu
+1
−4
Feels like
−5
643 mmHg
62%
6
m/s
W
19 December, Thursday. day, 1°; night, -4°; partly cloudy
20
−2
−4
20 December, fri
−2
−4
Feels like
−8
644 mmHg
62%
6.5
m/s
W
20 December, Friday. day, -2°; night, -4°; overcast
21
−2
−6
21 December, sat
−2
−6
Feels like
−8
645 mmHg
66%
5.6
m/s
W
21 December, Saturday. day, -2°; night, -6°; clear
22
−3
−6
22 December, sun
−3
−6
Feels like
−8
645 mmHg
64%
5.4
m/s
W
22 December, Sunday. day, -3°; night, -6°; partly cloudy
23
−2
−7
23 December, mon
−2
−7
Feels like
−8
645 mmHg
61%
5.5
m/s
W
23 December, Monday. day, -2°; night, -7°; snow
24
−2
−6
24 December, tue
−2
−6
Feels like
−7
645 mmHg
63%
5.6
m/s
W
24 December, Tuesday. day, -2°; night, -6°; clear
25
−4
−7
25 December, wed
−4
−7
Feels like
−10
645 mmHg
68%
6
m/s
W
25 December, Wednesday. day, -4°; night, -7°; clear
26
−3
−7
26 December, thu
−3
−7
Feels like
−8
646 mmHg
62%
5.8
m/s
W
26 December, Thursday. day, -3°; night, -7°; clear
27
−2
−5
27 December, fri
−2
−5
Feels like
−7
645 mmHg
57%
6.5
m/s
W
27 December, Friday. day, -2°; night, -5°; clear
28
−1
−6
28 December, sat
−1
−6
Feels like
−8
644 mmHg
63%
7.8
m/s
W
28 December, Saturday. day, -1°; night, -6°; snow
29
−4
−7
29 December, sun
−4
−7
Feels like
−9
647 mmHg
63%
6
m/s
W
29 December, Sunday. day, -4°; night, -7°; clear
30
+1
−9
30 December, mon
+1
−9
Feels like
−5
646 mmHg
61%
7
m/s
W
30 December, Monday. day, 1°; night, -9°; clear
31
+1
−9
31 December, tue
+1
−9
Feels like
−5
646 mmHg
61%
7
m/s
W
31 December, Tuesday. day, 1°; night, -9°; partly cloudy
1
−3
−7
1 January, wed
−3
−7
Feels like
−9
647 mmHg
61%
5.6
m/s
W
1 January, Wednesday. day, -3°; night, -7°; partly cloudy
2
−1
−5
2 January, thu
−1
−5
Feels like
−6
648 mmHg
62%
6
m/s
W
2 January, Thursday. day, -1°; night, -5°; clear
3
−1
−6
3 January, fri
−1
−6
Feels like
−6
647 mmHg
66%
5.4
m/s
W
3 January, Friday. day, -1°; night, -6°; partly cloudy
4
−2
−6
4 January, sat
−2
−6
Feels like
−7
648 mmHg
67%
5.4
m/s
W
4 January, Saturday. day, -2°; night, -6°; partly cloudy
Average data for 10 years
Boulder December
11
sunny days
2
days with precipitation
18
cloudy days
11 sunny days; 2 days with precipitation; 18 cloudy days;
57
%
air humidity
3.7
m/s
Wind
W
21
mm of precipitation
(4% of annual average)
air humidity 57%; 21 millimeters of precipitation (4% of annual average); Wind westerly 3.7 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
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
Denver
Colorado Springs
Aurora
Cheyenne
Breckenridge
Littleton
Steamboat Springs
Fort Collins
Durango
Cities with similar weather in December
Minsk
Mogilev
Vitebsk
Cholpon-Ata
Atyrau
Kyzylorda
Baikonur
Orsha
Polotsk
