S
M
T
W
T
F
S
26
84°
66°
27
84°
67°
28
83°
67°
29
82°
66°
30
81°
66°
1
80°
65°
2
84°
67°
3
82°
66°
4
79°
67°
5
80°
66°
6
80°
67°
7
81°
67°
8
80°
68°
9
80°
68°
10
81°
67°
11
81°
68°
12
82°
68°
13
82°
67°
14
85°
68°
15
83°
65°
16
82°
64°
17
84°
69°
18
88°
68°
19
88°
69°
20
87°
66°
21
86°
67°
22
87°
69°
23
86°
68°
24
86°
68°
25
88°
69°
26
89°
71°
27
90°
71°
28
90°
72°
29
91°
72°
30
91°
71°
31
90°
72°
1
91°
72°
2
91°
71°
3
90°
72°
4
90°
71°
5
88°
72°
6
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Denver
Denver's May 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 64° and 73°. The average high for May is 85° with an average low of 68°. 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 Denver. See also: June | July | August.
