S
M
T
W
T
F
S
29
40°
30°
30
38°
30°
1
38°
29°
2
36°
32°
3
36°
33°
4
37°
34°
5
39°
32°
6
38°
23°
7
39°
21°
8
34°
19°
9
32°
21°
10
35°
29°
11
35°
31°
12
34°
21°
13
29°
25°
14
Hist. Avg.
35°
25°
15
Hist. Avg.
35°
25°
16
Hist. Avg.
35°
25°
17
Hist. Avg.
35°
25°
18
Hist. Avg.
35°
25°
19
Hist. Avg.
34°
24°
20
Hist. Avg.
34°
24°
21
Hist. Avg.
34°
24°
22
Hist. Avg.
34°
24°
23
Hist. Avg.
34°
24°
24
Hist. Avg.
34°
24°
25
Hist. Avg.
34°
24°
26
Hist. Avg.
33°
23°
27
Hist. Avg.
33°
23°
28
Hist. Avg.
33°
23°
29
Hist. Avg.
33°
23°
30
Hist. Avg.
33°
23°
31
Hist. Avg.
33°
23°
1
Hist. Avg.
33°
23°
2
Hist. Avg.
33°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Osoyoos
Osoyoos's December 2026 forecast shows daily high temperatures ranging from 29° to 40°, with overnight lows between 19° and 34°. The average high for December is 36° with an average low of 27°. 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 Osoyoos. See also: January | February | March.
