Viterbo Climate by Month
The temperature in Viterbo can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Viterbo. Average daytime temperatures reach a very warm 31°C in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C. At night, expect cooler temperatures, averaging 3°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Viterbo has a relatively rainy climate with high precipitation levels, averaging 1006 mm of rainfall annually. Viterbo can be quite wet during November, receiving approximately 144 mm of precipitation over 15 rainy days. In contrast July, experiences much drier conditions, with 33 mm of rainfall, spread across 6 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Viterbo can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.7 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Viterbo.
Relative humidity over the year
The best time of year to visit Viterbo in Italy
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 11°C.
November tops the wettest month list with 144 mm of rainfall.
July is the driest month with 33 mm of precipitation.
July is the sunniest month with an average of 332 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
