S
M
T
W
T
F
S
29
78°
71°
30
78°
71°
1
79°
70°
2
78°
71°
3
78°
71°
4
79°
70°
5
78°
70°
6
77°
69°
7
77°
70°
8
78°
71°
9
77°
70°
10
77°
69°
11
78°
69°
12
77°
68°
13
78°
69°
14
80°
69°
15
81°
69°
16
80°
67°
17
81°
66°
18
78°
68°
19
79°
69°
20
81°
69°
21
81°
70°
22
80°
70°
23
81°
69°
24
81°
70°
25
80°
70°
26
81°
69°
27
81°
69°
28
80°
66°
29
82°
65°
30
80°
65°
31
77°
66°
1
77°
66°
2
78°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Koloa
Koloa's December 2026 forecast shows daily high temperatures ranging from 77° to 82°, with overnight lows between 65° and 71°. The average high for December is 79° with an average low of 69°. 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 Koloa. See also: January | February | March.
