S
M
T
W
T
F
S
29
42°
27°
30
45°
29°
1
39°
29°
2
40°
28°
3
39°
28°
4
40°
27°
5
46°
28°
6
49°
28°
7
47°
26°
8
46°
23°
9
37°
23°
10
36°
26°
11
42°
13°
12
34°
9°
13
30°
10°
14
31°
18°
15
36°
17°
16
37°
23°
17
38°
20°
18
39°
18°
19
39°
23°
20
43°
21°
21
41°
23°
22
42°
19°
23
43°
9°
24
39°
7°
25
28°
12°
26
31°
19°
27
36°
21°
28
38°
21°
29
45°
25°
30
45°
23°
31
46°
19°
1
44°
7°
2
44°
5°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Nelson
Nelson's December 2026 forecast shows daily high temperatures ranging from 28° to 49°, with overnight lows between 5° and 29°. The average high for December is 40° with an average low of 20°. 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 Nelson. See also: January | February | March.
