Annual mean 14°C · wettest around February · prevailing wind NE
Warmest
30.1 °C
Coldest
7.5 °C
Wettest
42%
Windiest
4.7 m/s
Prevailing
NE
3.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Viterbo over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 4°C. The rainy (wet) season in Viterbo runs from February, peaking in February with a 33% chance of rain on a given day. The dry season is March to October; August is the driest month, at 16%. Winds in Viterbo are highest in January, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.4 m/s (9 km/h). The prevailing wind is from the NE. The clearest skies in Viterbo come in July, when the sky is typically 25% covered; February is the cloudiest month, at 52%.
Month by month Viterbo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
8°C
4°C
4°C
23%
51%
3.4 m/s
1
0
35
February
10°C
5°C
6°C
33%
52%
3.2 m/s
3
0
48
March
13°C
6°C
9°C
24%
48%
3.2 m/s
11
0
64
April
16°C
8°C
13°C
20%
46%
3.0 m/s
44
1
79
May
20°C
12°C
18°C
16%
46%
2.8 m/s
73
8
76
June
26°C
17°C
25°C
19%
35%
2.4 m/s
63
52
31
July
29°C
19°C
29°C
22%
25%
2.6 m/s
32
71
10
August
29°C
19°C
29°C
16%
29%
2.6 m/s
36
68
12
September
23°C
15°C
22°C
20%
38%
2.8 m/s
78
36
50
October
19°C
12°C
17°C
24%
44%
2.7 m/s
69
6
77
November
13°C
8°C
10°C
26%
48%
3.2 m/s
21
0
68
December
9°C
5°C
6°C
31%
52%
3.2 m/s
3
0
44
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Viterbo weather by season
Year round, Viterbo has days of about 8°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from 4°C to 19°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around February and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Viterbo weather in winterDecember to February
High 9°CLow 4°CRain 29%
Winter in Viterbo has typical daily highs of about 9°C and lows of about 4°C, with a 29% chance of rain on a given day.
Viterbo weather in springMarch to May
High 16°CLow 9°CRain 20%
Spring in Viterbo has typical daily highs of about 16°C and lows of about 9°C, with a 20% chance of rain on a given day.
Viterbo weather in summerJune to August
High 28°CLow 19°CRain 19%
Summer in Viterbo has typical daily highs of about 28°C and lows of about 19°C, with a 19% chance of rain on a given day.
Viterbo weather in autumnSeptember to November
High 18°CLow 12°CRain 23%
Autumn in Viterbo has typical daily highs of about 18°C and lows of about 12°C, with a 23% chance of rain on a given day.
When is the rainy season in Viterbo?
The rainy (wet) season in Viterbo runs from February, peaking in February with a 33% chance of rain on a given day. The dry season is March to October; August is the driest month, at 16%.
What time of year is Viterbo windiest?
Winds in Viterbo are highest in January, averaging 3.4 m/s (12 km/h), and lightest in June, at 2.4 m/s (9 km/h). The prevailing wind is from the NE.
What is the average temperature in Viterbo year round?
The average temperature in Viterbo over the whole year is 14°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 4°C.