S
M
T
W
T
F
S
29
45°
35°
30
46°
40°
1
49°
41°
2
50°
41°
3
49°
40°
4
48°
39°
5
46°
40°
6
49°
41°
7
48°
38°
8
46°
36°
9
48°
42°
10
49°
41°
11
48°
37°
12
44°
35°
13
42°
35°
14
42°
36°
15
43°
34°
16
42°
37°
17
42°
36°
18
43°
34°
19
43°
39°
20
48°
36°
21
45°
34°
22
41°
33°
23
47°
38°
24
48°
36°
25
48°
36°
26
47°
37°
27
46°
38°
28
43°
39°
29
44°
37°
30
45°
39°
31
45°
39°
1
44°
38°
2
43°
39°
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 41° to 50°, with overnight lows between 33° and 42°. The average high for December is 46° with an average low of 38°. 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.
