Siderno in Winter
In winter (December, January and February), Siderno sees average daytime highs around 12°C and overnight lows near 8°C, with 300 mm of precipitation over about 38 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 12°C. The sky is clear or mostly clear about 35% of the time across winter, and the air most often feels dry.
Winter is Siderno's weakest season of the year to visit on our travel score. For the whole year in context, see Siderno's year-round climate.
- Avg daytime high
- 12°C
- coldest season of the year
- Avg overnight low
- 8°C
- Precipitation
- 300 mm
- 38 wet days
- Avg wind
- 12 km/h
- Travel score
- 3.2
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Siderno in Winter
Across winter, daytime highs hold fairly steady around 12°C.
A typical winter day in Siderno reaches about 12°C and drops to 8°C overnight. The warmest of the three months is December, the coolest February.
Siderno 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 8° | 100 | 12.4 | 9.6 | 3.1 |
| Feb | 12° / 7° | 89 | 12.2 | 10.5 | 3.0 |
| Mar | 14° / 9° | 88 | 11.3 | 11.7 | 4.0 |
| Apr | 16° / 11° | 63 | 9.9 | 13 | 5.2 |
| May | 20° / 14° | 33 | 6.2 | 14 | 7.2 |
| Jun | 24° / 18° | 18 | 3.5 | 14.6 | 8.6 |
| Jul | 27° / 21° | 11 | 2.2 | 14.4 | 8.7 |
| Aug | 27° / 21° | 19 | 3.2 | 13.5 | 8.3 |
| Sep | 24° / 19° | 73 | 8.9 | 12.3 | 7.5 |
| Oct | 21° / 16° | 105 | 10.7 | 11 | 6.5 |
| Nov | 17° / 12° | 109 | 11.9 | 9.9 | 5.2 |
| Dec | 13° / 9° | 111 | 13.4 | 9.4 | 3.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 35% of the time across winter.
Chance of precipitation in Winter
Siderno gets around 300 mm of rain and snow over 38 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 12 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 30 min in early December to 11 hours 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 2.5 kWh/m².
Hazard calendar for Siderno
In winter, Siderno overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Siderno's rainy season runs September–April, when most of the year's rain falls.
Is winter a good time to visit Siderno?
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 Siderno.
What to pack for Siderno in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Siderno sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. Worth having: rain gear. About 38 days see rain.
Sea temperature near Siderno 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 18 km away) is warmest in August at about 27°C and coldest in February near 15°C.
It's comfortable for a long swim from May 28 to Nov 13 — about 5.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 16 | 19 | 22 | 25 | 27 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 27 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Siderno 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 Siderno peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 5 | 7 | 9 | 10 | 9 | 6 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Siderno?
Siderno sits at 38.3°N, 16.3°E, 10 m above sea level, in Italy. The nearest listed city is Gioia Tauro, 39 km away.
Topography around Siderno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Siderno.
Within 3 km, the terrain around Siderno has only modest variations in elevation — a maximum elevation change of 172 m around an average of 24 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,174 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,931 m.
The land around Siderno is covered by water (43%) and trees (22%) within 3 km, water (44%) and trees (34%) within 16 km, and water (60%) and trees (31%) 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 Siderno (38.2699°, 16.2961°, elevation 10 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.