S
M
T
W
T
F
S
30
70°
62°
1
78°
61°
2
82°
58°
3
90°
61°
4
92°
65°
5
91°
71°
6
89°
67°
7
79°
65°
8
77°
67°
9
74°
66°
10
84°
64°
11
88°
65°
12
93°
65°
13
93°
67°
14
79°
65°
15
81°
62°
16
78°
57°
17
86°
56°
18
90°
67°
19
87°
70°
20
80°
65°
21
89°
64°
22
85°
70°
23
91°
67°
24
95°
68°
25
83°
65°
26
90°
61°
27
95°
70°
28
91°
71°
29
93°
65°
30
98°
68°
31
101°
71°
1
82°
68°
2
83°
65°
3
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Boulogne
Boulogne's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Boulogne. See also: January | February | March.
