S
M
T
W
T
F
S
30
84°
73°
1
84°
72°
2
86°
74°
3
86°
73°
4
86°
72°
5
86°
72°
6
86°
75°
7
88°
72°
8
84°
73°
9
82°
73°
10
87°
73°
11
82°
73°
12
82°
74°
13
81°
72°
14
84°
70°
15
82°
75°
16
82°
74°
17
84°
66°
18
82°
66°
19
82°
73°
20
84°
74°
21
84°
75°
22
84°
77°
23
82°
74°
24
82°
74°
25
82°
74°
26
82°
70°
27
82°
70°
28
84°
68°
29
79°
72°
30
82°
72°
31
77°
70°
1
79°
64°
2
81°
64°
3
79°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Tulum
Tulum'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 Tulum. See also: January | February | March.
