S
M
T
W
T
F
S
26
84°
47°
27
86°
48°
28
84°
46°
29
84°
49°
30
82°
47°
1
82°
49°
2
85°
49°
3
87°
50°
4
86°
49°
5
83°
44°
6
79°
46°
7
86°
50°
8
83°
50°
9
84°
49°
10
86°
51°
11
89°
52°
12
89°
52°
13
88°
51°
14
89°
52°
15
89°
52°
16
88°
53°
17
86°
53°
18
89°
47°
19
92°
49°
20
91°
44°
21
90°
43°
22
87°
45°
23
92°
43°
24
92°
43°
25
91°
44°
26
91°
45°
27
92°
46°
28
92°
46°
29
96°
48°
30
99°
51°
31
99°
51°
1
98°
48°
2
97°
52°
3
98°
57°
4
100°
56°
5
100°
55°
6
99°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in St. David
St. David's May 2026 forecast shows daily high temperatures ranging from 79° to 100°, with overnight lows between 43° and 57°. The average high for May is 90° with an average low of 49°. 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 St. David. See also: June | July | August.
