Terni in Winter
In winter (December, January and February), Terni sees average daytime highs around 8°C and overnight lows near 1°C, with 259 mm of precipitation over about 30 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 8°C. The sky is clear or mostly clear about 38% of the time across winter, and the air most often feels dry.
Winter is Terni's weakest season of the year to visit on our travel score. For the whole year in context, see Terni's year-round climate.
- Avg daytime high
- 8°C
- coldest season of the year
- Avg overnight low
- 1°C
- Precipitation
- 259 mm
- 30 wet days
- Avg wind
- 7 km/h
- Travel score
- 1.6
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Terni in Winter
Across winter, daytime highs hold fairly steady around 8°C.
A typical winter day in Terni reaches about 8°C and drops to 1°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Terni
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 76 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Terni 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 | 8° / 1° | 71 | 9.5 | 3 | 9.2 | 1.3 |
| Feb | 9° / 1° | 81 | 10 | 3.4 | 10.3 | 1.8 |
| Mar | 12° / 3° | 92 | 10.9 | 3 | 11.6 | 3.4 |
| Apr | 16° / 6° | 98 | 13 | 0.9 | 13.1 | 4.5 |
| May | 20° / 10° | 83 | 11.4 | 0.1 | 14.4 | 6.2 |
| Jun | 25° / 14° | 53 | 8.8 | 0 | 15.1 | 7.3 |
| Jul | 28° / 17° | 30 | 5.7 | 0 | 14.8 | 7.2 |
| Aug | 28° / 17° | 33 | 6.1 | 0 | 13.7 | 6.8 |
| Sep | 23° / 13° | 82 | 9.4 | 0 | 12.3 | 7.1 |
| Oct | 18° / 10° | 105 | 10.5 | 0.1 | 10.8 | 5.9 |
| Nov | 13° / 6° | 129 | 12.4 | 1 | 9.6 | 3.4 |
| Dec | 9° / 2° | 107 | 10.7 | 2.8 | 8.9 | 1.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 38% of the time across winter.
Chance of precipitation in Winter
Terni gets around 259 mm of rain and snow over 30 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 7 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 2.0 kWh/m².
Is winter a good time to visit Terni?
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 Terni.
What to pack for Terni in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Terni sees daytime highs around 8°C and nights near 1°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 30 days see rain.
UV index in Terni 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 Terni peaks around July 15 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 10 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | High | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Terni in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Terni is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Terni's WHO annual average of 17.3 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 19 | 21 | 21 | 19 | 18 | 14 | 16 | 14 | 16 | 15 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 19 | Moderate |
| Mar | 21 | Moderate |
| Apr | 21 | Moderate |
| May | 19 | Moderate |
| Jun | 18 | Moderate |
| Jul | 14 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 16 | Moderate |
Where is Terni?
Terni sits at 42.6°N, 12.6°E, 130 m above sea level, in Italy. The nearest listed city is Spoleto, 21 km away.
Topography around Terni
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Terni.
Within 3 km, the terrain around Terni has only modest variations in elevation — a maximum elevation change of 220 m around an average of 159 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,226 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,840 m.
The land around Terni is covered by trees (44%) and artificial surfaces (40%) within 3 km, trees (74%) within 16 km, and trees (64%) 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 Terni (42.5633°, 12.6433°, elevation 130 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.