Viterbo monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Viterbo

Viterbo average temperature chart (Celsius) Viterbo average temperature chart (Fahrenheit)
Average monthly temperatures in Viterbo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9 10.3 12.9 15.8 20.3 24.6 28.4 28.2 24.6 19.2 13.6 10
°F 48.1 50.5 55.3 60.4 68.6 76.2 83.1 82.8 76.2 66.6 56.6 49.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Viterbo monthly rainfall chart (mm) Viterbo monthly rainfall chart (inches)
Average monthly rainfall in Viterbo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 65 53 63 56 54 28 53 63 87 98 74
inches 2.6 2.6 2.1 2.5 2.2 2.1 1.1 2.1 2.5 3.4 3.9 2.9
Rainy days 14 13 13 14 11 10 6 7 9 12 15 14

Average annual rainfall in Viterbo: 814.4mm (320.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Viterbo

Viterbo average daily sunshine chart
Average daily sunshine Viterbo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.3 4.8 5.6 6.8 8.6 9.6 11.2 10.2 8.3 6.5 4.4 3.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Viterbo average minimum / maximum temperatures (Celsius) Viterbo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Viterbo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.3 2.1 3.5 5.6 9.2 12.8 15.5 15.9 13.6 9.8 5.4 2.7
Max °C 9.2 10.5 13.2 16 20.6 24.9 28.7 28.6 24.9 19.5 13.9 10.2
Min °F 34.3 35.8 38.2 42.1 48.6 55 59.9 60.5 56.4 49.6 41.6 36.8
Max °F 41.4 43.3 46.9 51.4 58.8 65.8 71.8 72 66.6 58.3 49.3 43.5

Sea temperature

The graph below shows the average sea temperature.

Viterbo average sea temperature chart (Celsius) Viterbo average sea temperature chart (Fahrenheit)
Average sea temperature around Viterbo in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 14.2 13.6 13.8 15.1 18.3 21.9 24.8 25.7 23.7 21 18.1 15.8
°F 57.6 56.5 56.8 59.2 64.9 71.4 76.6 78.2 74.7 69.9 64.7 60.4

Wind speed

The graph below shows the average wind speed.

Viterbo average winspeed by month (km/h) Viterbo average winspeed by month (mph)
Average wind speed in Viterbo (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 12 12 12 12 10 9 9 9 9 9 11 12
mph 7 8 8 7 6 6 6 5 5 6 7 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Viterbo relative humidity averages
Average relative humidity in Viterbo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 72% 69% 71% 70% 67% 62% 63% 67% 73% 76% 76%

Other monthly averages

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Viterbo weather stats

Viterbo weather statistics
Hottest month: August 28.2°C 82.8°F
Driest month: July 28mm 1.1ins
Sunniest month: July 11.2hrs
Coldest month: January 9°C 48.2°F
Wettest month: November 98mm 3.9ins
Warmest sea: August 25.7°C 78.3°F
Map showing location of Viterbo (42.41783, 12.10856) Viterbo map pin © Google

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