S
M
T
W
T
F
S
29
29°
21°
30
37°
24°
1
35°
27°
2
33°
30°
3
35°
28°
4
36°
29°
5
35°
27°
6
34°
21°
7
33°
27°
8
31°
25°
9
37°
22°
10
37°
26°
11
33°
30°
12
36°
29°
13
37°
30°
14
39°
29°
15
38°
30°
16
38°
31°
17
37°
32°
18
40°
29°
19
40°
27°
20
38°
25°
21
35°
21°
22
33°
17°
23
30°
16°
24
29°
13°
25
31°
15°
26
31°
10°
27
26°
17°
28
25°
22°
29
27°
9°
30
30°
12°
31
19°
19°
1
26°
26°
2
32°
25°
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 19° to 40°, with overnight lows between 9° and 32°. The average high for December is 33° with an average low of 23°. 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.
