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December weather forecast in Chambersburg
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
+6
+4
1 December, sun
+6
+4
Feels like
+2
736 mmHg
81%
4.9
m/s
SW
1 December, Sunday. day, 6°; night, 4°; overcast
2
+6
+3
2 December, mon
+6
+3
Feels like
+2
737 mmHg
77%
5.4
m/s
W
2 December, Monday. day, 6°; night, 3°; partly cloudy
3
+7
+3
3 December, tue
+7
+3
Feels like
+3
740 mmHg
75%
4.9
m/s
W
3 December, Tuesday. day, 7°; night, 3°; overcast
4
+8
+4
4 December, wed
+8
+4
Feels like
+4
738 mmHg
83%
5.5
m/s
W
4 December, Wednesday. day, 8°; night, 4°; rain
5
+5
+4
5 December, thu
+5
+4
Feels like
0
737 mmHg
76%
6
m/s
W
5 December, Thursday. day, 5°; night, 4°; overcast
6
+3
+1
6 December, fri
+3
+1
Feels like
−2
737 mmHg
73%
6
m/s
NW
6 December, Friday. day, 3°; night, 1°; overcast
7
+1
−1
7 December, sat
+1
−1
Feels like
−4
739 mmHg
70%
5
m/s
W
7 December, Saturday. day, 1°; night, -1°; rain
8
+2
−1
8 December, sun
+2
−1
Feels like
−2
735 mmHg
79%
4.9
m/s
SW
8 December, Sunday. day, 2°; night, -1°; rain
9
+3
0
9 December, mon
+3
0
Feels like
−3
736 mmHg
73%
6.5
m/s
W
9 December, Monday. day, 3°; night, 0°; partly cloudy
10
+4
0
10 December, tue
+4
0
Feels like
0
737 mmHg
69%
5.6
m/s
SW
10 December, Tuesday. day, 4°; night, 0°; partly cloudy
11
+3
+1
11 December, wed
+3
+1
Feels like
−2
736 mmHg
73%
5.6
m/s
W
11 December, Wednesday. day, 3°; night, 1°; overcast
12
+4
0
12 December, thu
+4
0
Feels like
−2
735 mmHg
70%
6
m/s
W
12 December, Thursday. day, 4°; night, 0°; overcast
13
+3
+1
13 December, fri
+3
+1
Feels like
−1
736 mmHg
75%
5.3
m/s
W
13 December, Friday. day, 3°; night, 1°; overcast
14
+5
+1
14 December, sat
+5
+1
Feels like
−1
735 mmHg
74%
6.6
m/s
W
14 December, Saturday. day, 5°; night, 1°; clear
15
+2
+1
15 December, sun
+2
+1
Feels like
−3
737 mmHg
75%
6.1
m/s
W
15 December, Sunday. day, 2°; night, 1°; overcast
16
+2
−1
16 December, mon
+2
−1
Feels like
−2
738 mmHg
77%
4.8
m/s
W
16 December, Monday. day, 2°; night, -1°; rain
17
+2
−1
17 December, tue
+2
−1
Feels like
−3
735 mmHg
80%
4.5
m/s
W
17 December, Tuesday. day, 2°; night, -1°; overcast
18
+4
0
18 December, wed
+4
0
Feels like
−1
735 mmHg
75%
6.4
m/s
W
18 December, Wednesday. day, 4°; night, 0°; clear
19
+3
0
19 December, thu
+3
0
Feels like
−2
738 mmHg
73%
5.4
m/s
W
19 December, Thursday. day, 3°; night, 0°; partly cloudy
20
+4
+1
20 December, fri
+4
+1
Feels like
0
737 mmHg
76%
4.9
m/s
S
20 December, Friday. day, 4°; night, 1°; partly cloudy
21
+6
+3
21 December, sat
+6
+3
Feels like
+1
733 mmHg
74%
6
m/s
SW
21 December, Saturday. day, 6°; night, 3°; clear
22
+4
+2
22 December, sun
+4
+2
Feels like
−2
736 mmHg
79%
7.9
m/s
NW
22 December, Sunday. day, 4°; night, 2°; rain
23
+3
0
23 December, mon
+3
0
Feels like
−2
739 mmHg
69%
4.9
m/s
W
23 December, Monday. day, 3°; night, 0°; overcast
24
+4
+1
24 December, tue
+4
+1
Feels like
−1
737 mmHg
77%
6.3
m/s
SW
24 December, Tuesday. day, 4°; night, 1°; rain
25
+3
+1
25 December, wed
+3
+1
Feels like
−2
740 mmHg
75%
5.8
m/s
NW
25 December, Wednesday. day, 3°; night, 1°; overcast
26
+4
0
26 December, thu
+4
0
Feels like
−2
737 mmHg
75%
6.5
m/s
W
26 December, Thursday. day, 4°; night, 0°; partly cloudy
27
+3
+1
27 December, fri
+3
+1
Feels like
−3
736 mmHg
72%
7
m/s
W
27 December, Friday. day, 3°; night, 1°; rain
28
+2
+1
28 December, sat
+2
+1
Feels like
−3
736 mmHg
75%
6
m/s
W
28 December, Saturday. day, 2°; night, 1°; clear
29
+2
0
29 December, sun
+2
0
Feels like
−3
736 mmHg
75%
5.5
m/s
W
29 December, Sunday. day, 2°; night, 0°; overcast
30
+4
−1
30 December, mon
+4
−1
Feels like
−2
737 mmHg
68%
8.3
m/s
W
30 December, Monday. day, 4°; night, -1°; clear
31
+4
−1
31 December, tue
+4
−1
Feels like
−2
737 mmHg
68%
8.3
m/s
W
31 December, Tuesday. day, 4°; night, -1°; partly cloudy
1
+4
−2
1 January, wed
+4
−2
Feels like
−1
736 mmHg
69%
6.8
m/s
W
1 January, Wednesday. day, 4°; night, -2°; overcast
2
0
−1
2 January, thu
0
−1
Feels like
−6
735 mmHg
68%
7
m/s
W
2 January, Thursday. day, 0°; night, -1°; overcast
3
−2
−4
3 January, fri
−2
−4
Feels like
−8
737 mmHg
69%
6.9
m/s
NW
3 January, Friday. day, -2°; night, -4°; partly cloudy
4
+1
−4
4 January, sat
+1
−4
Feels like
−5
736 mmHg
66%
6
m/s
W
4 January, Saturday. day, 1°; night, -4°; partly cloudy
Average data for 10 years
Chambersburg December
5
sunny days
7
days with precipitation
19
cloudy days
5 sunny days; 7 days with precipitation; 19 cloudy days;
75
%
air humidity
4
m/s
Wind
W
74
mm of precipitation
(9% of annual average)
air humidity 75%; 74 millimeters of precipitation (9% of annual average); Wind westerly 4 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
W
W
W
NW
W
SW
W
SW
W
W
W
W
W
W
W
W
W
S
SW
NW
W
SW
NW
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
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