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Viterbo Climate by Month

The graphs below provide an overview of the climate in Viterbo (Lazio), Italy. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Viterbo

Wed   Jun 26
27°C | 13°C
W 22 km/h
0.4 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

Thu   Jun 27
29°C | 15°C
SW 22 km/h
almost clear and no rain

almost clear and no rain

Fri   Jun 28
32°C | 16°C
W 18 km/h
clear and no rain

clear and no rain

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:

  • When is summer in Viterbo?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Viterbo?
    August has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Viterbo?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Viterbo?
    November tops the wettest month list with 144 mm of rainfall.
  • Which is the driest month in Viterbo?
    July is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Viterbo?
    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.