S
M
T
W
T
F
S
26
51°
41°
27
53°
41°
28
57°
39°
29
50°
28°
30
48°
23°
1
53°
26°
2
64°
40°
3
66°
53°
4
59°
32°
5
49°
28°
6
47°
31°
7
52°
34°
8
57°
36°
9
62°
37°
10
65°
40°
11
63°
43°
12
67°
44°
13
64°
44°
14
62°
43°
15
67°
42°
16
70°
49°
17
69°
46°
18
69°
49°
19
68°
48°
20
67°
47°
21
63°
41°
22
62°
40°
23
63°
42°
24
63°
41°
25
64°
41°
26
63°
42°
27
63°
42°
28
64°
43°
29
66°
51°
30
65°
50°
31
66°
49°
1
72°
52°
2
74°
54°
3
76°
54°
4
76°
55°
5
75°
56°
6
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Danbury
Danbury's May 2026 forecast shows daily high temperatures ranging from 47° to 76°, with overnight lows between 28° and 56°. The average high for May is 65° with an average low of 44°. 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 Danbury. See also: June | July | August.