S
M
T
W
T
F
S
26
55°
48°
27
59°
45°
28
57°
46°
29
64°
45°
30
73°
48°
1
64°
50°
2
57°
50°
3
59°
50°
4
57°
45°
5
55°
41°
6
57°
41°
7
55°
43°
8
59°
48°
9
55°
46°
10
50°
46°
11
54°
43°
12
57°
43°
13
55°
48°
14
54°
45°
15
54°
48°
16
54°
45°
17
55°
46°
18
57°
52°
19
58°
52°
20
59°
54°
21
61°
56°
22
64°
53°
23
64°
48°
24
68°
52°
25
74°
53°
26
73°
54°
27
70°
53°
28
68°
53°
29
66°
50°
30
64°
51°
31
60°
51°
1
59°
50°
2
60°
48°
3
60°
53°
4
61°
53°
5
63°
54°
6
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Trefor
Trefor's May 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 48° and 56°. The average high for May is 64° with an average low of 52°. 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 Trefor. See also: June | July | August.
