S
M
T
W
T
F
S
26
68°
41°
27
70°
46°
28
70°
45°
29
75°
45°
30
72°
55°
1
73°
50°
2
70°
45°
3
68°
46°
4
68°
46°
5
68°
55°
6
70°
59°
7
73°
57°
8
72°
57°
9
72°
54°
10
72°
59°
11
72°
63°
12
72°
59°
13
68°
54°
14
70°
52°
15
68°
57°
16
64°
50°
17
68°
46°
18
68°
48°
19
70°
48°
20
72°
50°
21
81°
55°
22
84°
61°
23
81°
61°
24
82°
59°
25
84°
61°
26
84°
61°
27
84°
64°
28
84°
64°
29
84°
64°
30
82°
64°
31
81°
59°
1
79°
61°
2
81°
70°
3
77°
68°
4
79°
63°
5
77°
61°
6
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Viterbo
Viterbo's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Viterbo. See also: June | July | August.
