Viterbo in Winter
In winter (December, January and February), Viterbo sees average daytime highs around 10°C and overnight lows near 4°C, with 215 mm of precipitation over about 27 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 10°C. The sky is clear or mostly clear about 38% of the time across winter, and the air most often feels dry.
Winter is Viterbo's weakest season of the year to visit on our travel score. For the whole year in context, see Viterbo's year-round climate.
- Avg daytime high
- 10°C
- coldest season of the year
- Avg overnight low
- 4°C
- Precipitation
- 215 mm
- 27 wet days
- Avg wind
- 11 km/h
- Travel score
- 2.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Viterbo in Winter
Across winter, daytime highs hold fairly steady around 10°C.
A typical winter day in Viterbo reaches about 10°C and drops to 4°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Viterbo
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 5 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Viterbo weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 10° / 3° | 61 | 8.2 | 0.5 | 9.3 | 2.2 |
| Feb | 11° / 3° | 68 | 8.7 | 0.8 | 10.3 | 2.8 |
| Mar | 14° / 6° | 74 | 9.2 | 0.5 | 11.6 | 4.3 |
| Apr | 17° / 8° | 76 | 11.1 | 0.1 | 13.1 | 5.5 |
| May | 22° / 12° | 63 | 9.4 | 0 | 14.4 | 6.9 |
| Jun | 26° / 16° | 46 | 7 | 0 | 15 | 7.4 |
| Jul | 30° / 19° | 28 | 4.8 | 0 | 14.8 | 6.4 |
| Aug | 30° / 19° | 33 | 6 | 0 | 13.7 | 6.1 |
| Sep | 25° / 16° | 84 | 9.1 | 0 | 12.3 | 7.1 |
| Oct | 20° / 12° | 114 | 10.6 | 0 | 10.8 | 6.4 |
| Nov | 14° / 8° | 127 | 12.1 | 0.1 | 9.6 | 4.1 |
| Dec | 11° / 5° | 86 | 10.1 | 0.4 | 9 | 2.5 |
Cloud cover in Winter
The sky is clear or mostly clear about 38% of the time across winter.
Chance of precipitation in Winter
Viterbo gets around 215 mm of rain and snow over 27 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 06 min in early December to 10 h 54 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.1 kWh/m².
Is winter a good time to visit Viterbo?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Viterbo.
What to pack for Viterbo in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Viterbo sees daytime highs around 10°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 27 days see rain.
Sea temperature near Viterbo in Winter
The nearest coast averages about 15°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 km away) is warmest in August at about 25°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 2 to Oct 31 — about 5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 14 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Viterbo in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Viterbo peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 5 | 7 | 9 | 9 | 8 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Viterbo?
Viterbo sits at 42.4°N, 12.1°E, 326 m above sea level, in Italy. The nearest listed city is Civitavecchia, 44 km away.
Topography around Viterbo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viterbo.
Within 3 km, the terrain around Viterbo has significant variations in elevation — a maximum elevation change of 280 m around an average of 352 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,009 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,182 m.
The land around Viterbo is covered by trees (51%) and artificial surfaces (24%) within 3 km, trees (57%) and cropland (27%) within 16 km, and trees (47%) and cropland (20%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Viterbo (42.4194°, 12.1056°, elevation 326 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.