S
M
T
W
T
F
S
29
44°
36°
30
44°
36°
1
46°
39°
2
50°
43°
3
50°
39°
4
45°
36°
5
43°
35°
6
43°
37°
7
49°
37°
8
45°
40°
9
49°
38°
10
49°
36°
11
48°
37°
12
47°
40°
13
45°
40°
14
47°
39°
15
47°
40°
16
46°
39°
17
47°
39°
18
47°
40°
19
46°
39°
20
46°
40°
21
47°
40°
22
47°
39°
23
48°
39°
24
46°
38°
25
47°
39°
26
46°
38°
27
45°
39°
28
46°
40°
29
47°
39°
30
46°
40°
31
48°
39°
1
48°
39°
2
46°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lowestoft
Lowestoft's December 2026 forecast shows daily high temperatures ranging from 43° to 50°, with overnight lows between 35° and 43°. The average high for December is 47° with an average low of 39°. 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 Lowestoft. See also: January | February | March.
