Weather in Viterbo: May
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Average day temperature: | 71.0°F |
| Average night temperature: | 54.2°F | |
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Number of sunny days: | 13 days |
| Day length: | 14.1 - 15.1 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.8 in. | |
| more information | ||
14 days
forecast
forecast
| Viterbo |
weather in
June
June
| Viterbo |
Air temperature in May, °F
Show year:
2026
2025
2024
The highest day temperature during May of 2026 was 86°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during May were 70.8°F and 52.7°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Viterbo in May is 0.8 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 5.5 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.9.
Best time for vacation in Viterbo
Viterbo on a weather map
Places in Italy:
Name
°F
24 Hours Forecast
Viterbo
Local time: 04:24
August 17, monday
0600
45°F
E
33 mph
33 mph
0900
46°F
SE
32 mph
32 mph
1200
46°F
SE
39 mph
39 mph
1500
43°F
E
31 mph
31 mph
1800
43°F
E
35 mph
35 mph
2100
43°F
E
34 mph
34 mph
August 18, tuesday
0000
43°F
E
32 mph
32 mph
0300
43°F
E
33 mph
33 mph
