S
M
T
W
T
F
S
26
74°
56°
27
81°
53°
28
78°
61°
29
68°
53°
30
63°
43°
1
63°
41°
2
58°
37°
3
66°
34°
4
80°
51°
5
70°
59°
6
63°
47°
7
64°
43°
8
73°
41°
9
78°
56°
10
77°
57°
11
74°
49°
12
78°
43°
13
76°
56°
14
68°
45°
15
78°
63°
16
83°
61°
17
90°
67°
18
89°
69°
19
84°
63°
20
69°
51°
21
70°
51°
22
74°
54°
23
80°
58°
24
81°
60°
25
79°
61°
26
77°
60°
27
79°
61°
28
80°
55°
29
79°
59°
30
76°
55°
31
74°
55°
1
74°
53°
2
75°
53°
3
74°
54°
4
75°
55°
5
82°
61°
6
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Big Clifty
Big Clifty's May 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 51° and 69°. The average high for May is 78° with an average low of 58°. 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 Big Clifty. See also: June | July | August.