S
M
T
W
T
F
S
29
53°
23°
30
53°
20°
1
46°
20°
2
35°
19°
3
34°
19°
4
35°
31°
5
39°
29°
6
44°
23°
7
40°
22°
8
37°
26°
9
37°
25°
10
39°
22°
11
38°
23°
12
35°
18°
13
37°
18°
14
32°
16°
15
31°
15°
16
30°
18°
17
Hist. Avg.
40°
24°
18
Hist. Avg.
40°
24°
19
Hist. Avg.
40°
24°
20
Hist. Avg.
40°
23°
21
Hist. Avg.
39°
23°
22
Hist. Avg.
39°
23°
23
Hist. Avg.
39°
23°
24
Hist. Avg.
39°
22°
25
Hist. Avg.
38°
22°
26
Hist. Avg.
38°
22°
27
Hist. Avg.
38°
22°
28
Hist. Avg.
38°
22°
29
Hist. Avg.
38°
21°
30
Hist. Avg.
37°
21°
31
Hist. Avg.
37°
21°
1
Hist. Avg.
37°
20°
2
Hist. Avg.
37°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in New Bethlehem
New Bethlehem's December 2026 forecast shows daily high temperatures ranging from 30° to 53°, with overnight lows between 15° and 31°. The average high for December is 39° with an average low of 22°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in New Bethlehem. See also: January | February | March.
