S
M
T
W
T
F
S
29
55°
39°
30
55°
47°
1
56°
39°
2
55°
42°
3
54°
43°
4
58°
44°
5
58°
38°
6
54°
41°
7
53°
37°
8
52°
43°
9
51°
43°
10
54°
42°
11
59°
44°
12
60°
42°
13
55°
39°
14
57°
40°
15
58°
41°
16
58°
42°
17
57°
44°
18
59°
45°
19
58°
45°
20
59°
38°
21
53°
40°
22
52°
39°
23
54°
42°
24
53°
39°
25
52°
39°
26
54°
41°
27
58°
40°
28
58°
38°
29
Hist. Avg.
55°
40°
30
Hist. Avg.
55°
40°
31
Hist. Avg.
55°
40°
1
Hist. Avg.
55°
40°
2
Hist. Avg.
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Pittsburg
Pittsburg's December 2026 forecast shows daily high temperatures ranging from 51° to 60°, with overnight lows between 37° and 47°. The average high for December is 56° with an average low of 41°. 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 Pittsburg. See also: January | February | March.
