S
M
T
W
T
F
S
26
78°
52°
27
72°
59°
28
73°
61°
29
68°
52°
30
63°
42°
1
61°
42°
2
58°
40°
3
66°
35°
4
78°
54°
5
68°
49°
6
61°
45°
7
63°
41°
8
72°
45°
9
76°
56°
10
74°
57°
11
75°
50°
12
79°
45°
13
78°
45°
14
67°
48°
15
75°
65°
16
80°
64°
17
88°
66°
18
85°
68°
19
79°
63°
20
76°
58°
21
77°
59°
22
74°
56°
23
74°
56°
24
75°
57°
25
80°
61°
26
81°
57°
27
80°
63°
28
81°
62°
29
83°
62°
30
78°
59°
31
76°
58°
1
77°
58°
2
77°
56°
3
78°
58°
4
78°
60°
5
85°
65°
6
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Siberia
Siberia's May 2026 forecast shows daily high temperatures ranging from 67° to 88°, with overnight lows between 45° and 68°. The average high for May is 79° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Siberia. See also: June | July | August.