S
M
T
W
T
F
S
29
47°
28°
30
41°
23°
1
37°
21°
2
36°
23°
3
38°
27°
4
39°
25°
5
40°
24°
6
39°
25°
7
37°
24°
8
39°
25°
9
39°
28°
10
41°
33°
11
42°
34°
12
46°
33°
13
46°
34°
14
45°
34°
15
46°
35°
16
48°
34°
17
48°
32°
18
47°
31°
19
45°
29°
20
44°
29°
21
43°
25°
22
40°
25°
23
41°
31°
24
42°
32°
25
43°
31°
26
45°
33°
27
45°
28°
28
46°
29°
29
44°
26°
30
41°
29°
31
44°
30°
1
Hist. Avg.
40°
27°
2
Hist. Avg.
40°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Pasco
Pasco's December 2026 forecast shows daily high temperatures ranging from 36° to 48°, with overnight lows between 21° and 35°. The average high for December is 43° with an average low of 29°. 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 Pasco. See also: January | February | March.
