S
M
T
W
T
F
S
26
46°
28°
27
49°
34°
28
51°
35°
29
54°
34°
30
58°
37°
1
56°
38°
2
53°
37°
3
54°
36°
4
46°
32°
5
47°
33°
6
47°
34°
7
48°
32°
8
47°
35°
9
48°
33°
10
49°
32°
11
51°
34°
12
49°
33°
13
53°
39°
14
57°
40°
15
58°
37°
16
53°
34°
17
57°
38°
18
56°
38°
19
59°
37°
20
53°
39°
21
52°
40°
22
54°
42°
23
57°
43°
24
55°
43°
25
55°
42°
26
59°
41°
27
57°
39°
28
55°
40°
29
56°
39°
30
56°
42°
31
58°
39°
1
64°
38°
2
59°
38°
3
59°
39°
4
60°
38°
5
59°
39°
6
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lillehammer
Lillehammer's May 2026 forecast shows daily high temperatures ranging from 46° to 64°, with overnight lows between 28° and 43°. The average high for May is 54° with an average low of 37°. 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 Lillehammer. See also: June | July | August.