Castel Volturno in Fall
In fall (September, October and November), Castel Volturno sees average daytime highs around 21°C and overnight lows near 16°C, with 411 mm of rain over about 32 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 26°C in early September to 15°C by late November. The sky is clear or mostly clear about 47% of the time across fall, and the air most often feels dry.
Fall is Castel Volturno's 2nd-best season to visit on our travel score. For the whole year in context, see Castel Volturno's year-round climate.
- Avg daytime high
- 21°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 411 mm
- 32 wet days
- Avg wind
- 11 km/h
- Travel score
- 6.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Castel Volturno in Fall
Over the season highs ease from about 26°C in early September to 15°C by late November.
A typical fall day in Castel Volturno reaches about 21°C and drops to 16°C overnight. The warmest of the three months is September, the coolest November.
Castel Volturno weather by month
How the three fall months (September, October and November) 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° | 109 | 11 | 9.4 | 3.3 |
| Feb | 12° / 8° | 100 | 10.5 | 10.4 | 3.3 |
| Mar | 14° / 9° | 93 | 9.9 | 11.7 | 4.3 |
| Apr | 17° / 12° | 79 | 9.9 | 13.1 | 5.4 |
| May | 20° / 16° | 46 | 6.3 | 14.3 | 7.2 |
| Jun | 24° / 19° | 23 | 3.4 | 14.9 | 8.5 |
| Jul | 27° / 22° | 11 | 2.5 | 14.6 | 8.5 |
| Aug | 27° / 23° | 20 | 2.9 | 13.6 | 8.2 |
| Sep | 24° / 20° | 90 | 8.1 | 12.3 | 7.5 |
| Oct | 21° / 16° | 132 | 10.4 | 10.9 | 6.6 |
| Nov | 17° / 13° | 189 | 13.2 | 9.7 | 5.0 |
| Dec | 13° / 10° | 145 | 12.6 | 9.1 | 3.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 47% of the time across fall.
Chance of precipitation in Fall
Castel Volturno gets around 411 mm of rain over 32 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.3 kWh/m².
Hazard calendar for Castel Volturno
In fall, Castel Volturno overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Castel Volturno's rainy season runs September–March, when most of the year's rain falls.
Is fall a good time to visit Castel Volturno?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Castel Volturno for sightseeing.
What to pack for Castel Volturno in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Castel Volturno sees daytime highs around 21°C and nights near 16°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 32 days see rain.
Sea temperature near Castel Volturno in Fall
The nearest coast averages about 22°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from May 27 to Nov 5 — about 5.4 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 | 16 | 19 | 22 | 25 | 26 | 24 | 22 | 19 | 17 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Castel Volturno in Fall
Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Castel Volturno peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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) | 2 | 3 | 5 | 4 | 7 | 9 | 10 | 8 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 4 | 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 Castel Volturno in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Castel Volturno is worst in April — around 22 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 20 | 21 | 22 | 18 | 16 | 16 | 16 | 14 | 16 | 16 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 20 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 18 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 16 | Moderate |
| Nov | 16 | Moderate |
| Dec | 17 | Moderate |
Where is Castel Volturno?
Castel Volturno sits at 41.0°N, 13.9°E, 3 m above sea level, in Italy. The nearest listed city is Mondragone, 10 km away.
Topography around Castel Volturno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castel Volturno.
Within 3 km, the terrain around Castel Volturno has only modest variations in elevation — a maximum elevation change of 15 m around an average of 1 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 810 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,221 m.
The land around Castel Volturno is covered by cropland (33%) and water (25%) within 3 km, water (48%) and cropland (30%) within 16 km, and water (44%) and trees (35%) 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 Castel Volturno (41.0329°, 13.9435°, elevation 3 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.