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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
30
0
−10
30 November, sun
0
−10
Feels like
−11
537 mmHg
65%
4.6
m/s
W
30 November, Sunday. day, 0°; night, -10°; clear
1
+2
−9
1 December, mon
+2
−9
Feels like
−10
538 mmHg
65%
4.6
m/s
W
1 December, Monday. day, 2°; night, -9°; clear
2
+2
−8
2 December, tue
+2
−8
Feels like
−9
538 mmHg
65%
4.69
m/s
SW
2 December, Tuesday. day, 2°; night, -8°; clear
3
+1
−9
3 December, wed
+1
−9
Feels like
−10
538 mmHg
66%
4.4
m/s
SW
3 December, Wednesday. day, 1°; night, -9°; clear
4
0
−10
4 December, thu
0
−10
Feels like
−11
538 mmHg
66%
4.6
m/s
W
4 December, Thursday. day, 0°; night, -10°; clear
5
0
−9
5 December, fri
0
−9
Feels like
−11
538 mmHg
65%
4.8
m/s
W
5 December, Friday. day, 0°; night, -9°; clear
6
0
−10
6 December, sat
0
−10
Feels like
−12
538 mmHg
68%
4.19
m/s
W
6 December, Saturday. day, 0°; night, -10°; snow
7
0
−10
7 December, sun
0
−10
Feels like
−11
538 mmHg
67%
4.3
m/s
W
7 December, Sunday. day, 0°; night, -10°; partly cloudy
8
0
−11
8 December, mon
0
−11
Feels like
−12
537 mmHg
68%
4.6
m/s
W
8 December, Monday. day, 0°; night, -11°; partly cloudy
9
0
−11
9 December, tue
0
−11
Feels like
−12
537 mmHg
67%
4.6
m/s
W
9 December, Tuesday. day, 0°; night, -11°; snow
10
0
−10
10 December, wed
0
−10
Feels like
−12
537 mmHg
65%
4.9
m/s
W
10 December, Wednesday. day, 0°; night, -10°; clear
11
0
−10
11 December, thu
0
−10
Feels like
−11
537 mmHg
67%
4.5
m/s
W
11 December, Thursday. day, 0°; night, -10°; snow
12
0
−11
12 December, fri
0
−11
Feels like
−11
537 mmHg
68%
4.19
m/s
W
12 December, Friday. day, 0°; night, -11°; partly cloudy
13
0
−9
13 December, sat
0
−9
Feels like
−10
537 mmHg
66%
4.6
m/s
W
13 December, Saturday. day, 0°; night, -9°; partly cloudy
14
0
−9
14 December, sun
0
−9
Feels like
−10
536 mmHg
68%
4.4
m/s
W
14 December, Sunday. day, 0°; night, -9°; rain
15
0
−10
15 December, mon
0
−10
Feels like
−12
536 mmHg
68%
4.9
m/s
W
15 December, Monday. day, 0°; night, -10°; partly cloudy
16
0
−10
16 December, tue
0
−10
Feels like
−12
537 mmHg
64%
5.2
m/s
W
16 December, Tuesday. day, 0°; night, -10°; partly cloudy
17
0
−11
17 December, wed
0
−11
Feels like
−13
537 mmHg
66%
4.5
m/s
W
17 December, Wednesday. day, 0°; night, -11°; clear
18
0
−12
18 December, thu
0
−12
Feels like
−13
537 mmHg
68%
4.3
m/s
W
18 December, Thursday. day, 0°; night, -12°; clear
19
0
−11
19 December, fri
0
−11
Feels like
−13
537 mmHg
68%
4.69
m/s
W
19 December, Friday. day, 0°; night, -11°; clear
20
0
−10
20 December, sat
0
−10
Feels like
−12
537 mmHg
65%
4.6
m/s
W
20 December, Saturday. day, 0°; night, -10°; partly cloudy
21
0
−9
21 December, sun
0
−9
Feels like
−11
536 mmHg
67%
4.6
m/s
W
21 December, Sunday. day, 0°; night, -9°; snow
22
−1
−11
22 December, mon
−1
−11
Feels like
−12
536 mmHg
70%
4.1
m/s
W
22 December, Monday. day, -1°; night, -11°; snow
23
−1
−12
23 December, tue
−1
−12
Feels like
−13
536 mmHg
70%
4.4
m/s
W
23 December, Tuesday. day, -1°; night, -12°; snow
24
−1
−12
24 December, wed
−1
−12
Feels like
−13
537 mmHg
69%
4.4
m/s
W
24 December, Wednesday. day, -1°; night, -12°; partly cloudy
25
−1
−11
25 December, thu
−1
−11
Feels like
−13
536 mmHg
70%
4.4
m/s
SW
25 December, Thursday. day, -1°; night, -11°; snow
26
0
−12
26 December, fri
0
−12
Feels like
−13
536 mmHg
70%
4.4
m/s
W
26 December, Friday. day, 0°; night, -12°; clear
27
−1
−11
27 December, sat
−1
−11
Feels like
−13
536 mmHg
68%
4.5
m/s
W
27 December, Saturday. day, -1°; night, -11°; clear
28
−1
−10
28 December, sun
−1
−10
Feels like
−12
536 mmHg
66%
4.9
m/s
W
28 December, Sunday. day, -1°; night, -10°; partly cloudy
29
−1
−11
29 December, mon
−1
−11
Feels like
−12
536 mmHg
69%
4.69
m/s
W
29 December, Monday. day, -1°; night, -11°; partly cloudy
30
−1
−11
30 December, tue
−1
−11
Feels like
−12
535 mmHg
67%
4.9
m/s
W
30 December, Tuesday. day, -1°; night, -11°; clear
31
−1
−12
31 December, wed
−1
−12
Feels like
−13
535 mmHg
71%
4.4
m/s
W
31 December, Wednesday. day, -1°; night, -12°; clear
1
−2
−13
1 January, thu
−2
−13
Feels like
−13
536 mmHg
69%
4.1
m/s
W
1 January, Thursday. day, -2°; night, -13°; partly cloudy
2
0
−13
2 January, fri
0
−13
Feels like
−13
536 mmHg
69%
4.3
m/s
W
2 January, Friday. day, 0°; night, -13°; clear
3
0
−11
3 January, sat
0
−11
Feels like
−12
536 mmHg
68%
4.5
m/s
W
3 January, Saturday. day, 0°; night, -11°; clear
Average data for 10 years
Boulder December
13
sunny days
8
days with precipitation
4
cloudy days
13 sunny days; 8 days with precipitation; 4 cloudy days;
67
%
air humidity
3.2
m/s
Wind
W
33
mm of precipitation
(4% of annual average)
air humidity 67%; 33 millimeters of precipitation (4% of annual average); Wind westerly 3.2 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
SW
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
SW
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
Breckenridge
Lakewood
Steamboat Springs
Telluride
Aspen
Fort Collins
Aurora
Cities with similar weather in December
Minsk
Mogilev
Vitebsk
Cholpon-Ata
Atyrau
Kyzylorda
Baikonur
Orsha
Polotsk
