S
M
T
W
T
F
S
29
49°
29°
30
44°
21°
1
35°
17°
2
34°
20°
3
41°
27°
4
40°
27°
5
39°
26°
6
37°
22°
7
33°
21°
8
33°
22°
9
41°
24°
10
44°
26°
11
45°
25°
12
47°
24°
13
45°
25°
14
37°
22°
15
38°
23°
16
39°
20°
17
38°
11°
18
35°
10°
19
36°
4°
20
27°
6°
21
27°
17°
22
37°
12°
23
37°
13°
24
36°
8°
25
34°
21°
26
37°
22°
27
39°
21°
28
38°
20°
29
38°
17°
30
37°
10°
31
34°
5°
1
29°
6°
2
28°
19°
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 27° to 49°, with overnight lows between 4° and 29°. The average high for December is 37° with an average low of 18°. 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.
