S
M
T
W
T
F
S
30
47°
39°
1
45°
36°
2
48°
42°
3
49°
39°
4
47°
38°
5
42°
38°
6
51°
40°
7
57°
47°
8
58°
48°
9
56°
53°
10
56°
43°
11
49°
42°
12
50°
44°
13
51°
38°
14
48°
36°
15
47°
42°
16
50°
42°
17
52°
43°
18
57°
42°
19
56°
40°
20
44°
36°
21
52°
43°
22
44°
40°
23
43°
36°
24
38°
32°
25
32°
26°
26
35°
24°
27
44°
30°
28
43°
29°
29
46°
28°
30
44°
31°
31
44°
30°
1
42°
33°
2
40°
33°
3
38°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Haarlem
Haarlem'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 Haarlem. See also: January | February | March.
