Best year time to visit Viterbo

General weather information about Viterbo

Average annual temperature is 21.9 °C

Absolute maximum temperature: 41.6 °C

Absolute minimum temperature: 1.5 °C

Number of sunny days: 140 days

Number of rainy days: 225 days

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* Weather data for Viterbo United States is based on climate observations for 2026 year

Viterbo air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.627.328.829.431.436.138.441.639.533.729.025.5
Average daytime temperature (°C)19.320.123.324.528.633.434.637.233.327.621.018.7
Average temperature (°C)14.815.218.919.824.028.229.731.428.022.516.113.5
Average night temperature (°C)11.211.515.115.820.024.025.727.023.918.612.59.6
Absolute minimum temperature (°C)2.12.33.69.513.819.922.823.420.59.14.91.5

Viterbo monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.511.112.012.913.714.013.913.212.311.410.710.3
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)6.47.88.38.89.811.412.312.210.58.66.97.7
Precipitation (mm)28212787208187436113643979134
Sunny days116681196198171920
Rainy days202225222021251222141111
Snow days000000000000

Viterbo - weather forecast by months

Viterbo weather in januaryViterbo weather in februaryViterbo weather in marchViterbo weather in aprilViterbo weather in mayViterbo weather in juneViterbo weather in julyViterbo weather in augustViterbo weather in septemberViterbo weather in octoberViterbo weather in novemberViterbo weather in december

Best time to visit Viterbo:

The best time to visit Viterbo during the most sunny months:

  • July — 12.3(h)
  • August — 12.2(h)

The largest precipitation sum in Viterbo is at

  • January — 282(mm)
  • April — 208(mm)
  • May — 187(mm)

    • Weather forecast in the closest to Viterbo admin centers

    Weather forecast in the closest towns to Viterbo

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    Frequently asked questions

    When is the best time to visit Viterbo?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Viterbo.
    What is the weather like in Viterbo?
    See average temperature, rainfall and daylight hours for Viterbo by month in the table above.
    How many sunny days does Viterbo have?
    The monthly weather statistics above show sunshine and rainfall patterns for Viterbo throughout the year.