S
M
T
W
T
F
S
26
39°
22°
27
46°
27°
28
51°
33°
29
56°
34°
30
62°
33°
1
61°
36°
2
51°
36°
3
49°
34°
4
47°
33°
5
44°
29°
6
44°
30°
7
46°
29°
8
42°
29°
9
42°
28°
10
43°
30°
11
44°
30°
12
45°
31°
13
46°
37°
14
46°
34°
15
45°
34°
16
47°
36°
17
49°
36°
18
48°
34°
19
52°
39°
20
55°
39°
21
55°
38°
22
54°
39°
23
55°
39°
24
56°
40°
25
56°
41°
26
55°
40°
27
53°
38°
28
52°
35°
29
56°
39°
30
57°
42°
31
56°
42°
1
57°
41°
2
58°
43°
3
58°
42°
4
57°
37°
5
51°
36°
6
50°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Geilo
Geilo's May 2026 forecast shows daily high temperatures ranging from 39° to 62°, with overnight lows between 22° and 43°. The average high for May is 51° with an average low of 35°. 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 Geilo. See also: June | July | August.
