S
M
T
W
T
F
S
26
36°
20°
27
43°
22°
28
55°
20°
29
56°
23°
30
64°
21°
1
74°
42°
2
65°
36°
3
71°
37°
4
49°
29°
5
47°
25°
6
55°
34°
7
65°
37°
8
65°
36°
9
60°
39°
10
64°
41°
11
62°
40°
12
64°
41°
13
65°
40°
14
66°
38°
15
58°
36°
16
59°
42°
17
59°
36°
18
63°
40°
19
63°
39°
20
60°
39°
21
61°
43°
22
63°
42°
23
62°
40°
24
62°
38°
25
64°
45°
26
70°
46°
27
72°
47°
28
73°
43°
29
63°
38°
30
64°
42°
31
64°
48°
1
65°
48°
2
67°
49°
3
66°
48°
4
67°
49°
5
64°
49°
6
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Quimper
Quimper's May 2026 forecast shows daily high temperatures ranging from 47° to 74°, with overnight lows between 25° and 49°. The average high for May is 63° with an average low of 41°. 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 Quimper. See also: June | July | August.