Castellammare di Stabia in Spring
In spring (March, April and May), Castellammare di Stabia sees average daytime highs around 16°C and overnight lows near 12°C, with 248 mm of precipitation over about 29 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 13°C in early March to 21°C by late May. The sky is clear or mostly clear about 40% of the time across spring, and the air most often feels dry.
Spring is Castellammare di Stabia's 3rd-best season to visit on our travel score. For the whole year in context, see Castellammare di Stabia's year-round climate.
- Avg daytime high
- 16°C
- 3rd-warmest season
- Avg overnight low
- 12°C
- Precipitation
- 248 mm
- 29 wet days
- Avg wind
- 11 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Castellammare di Stabia in Spring
Over the season highs climb from about 13°C in early March to 21°C by late May.
A typical spring day in Castellammare di Stabia reaches about 16°C and drops to 12°C overnight. The warmest of the three months is May, the coolest March.
Castellammare di Stabia weather by month
How the three spring months (March, April and May) 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 | 12° / 8° | 122 | 11.6 | 0.4 | 9.4 | 2.9 |
| Feb | 12° / 8° | 104 | 11 | 0.6 | 10.4 | 3.0 |
| Mar | 14° / 9° | 103 | 10.4 | 0.3 | 11.7 | 4.0 |
| Apr | 16° / 11° | 86 | 11 | 0 | 13.1 | 5.0 |
| May | 20° / 15° | 59 | 7.7 | 0 | 14.2 | 6.8 |
| Jun | 24° / 19° | 29 | 5 | 0 | 14.9 | 8.2 |
| Jul | 26° / 22° | 16 | 3.1 | 0 | 14.6 | 8.5 |
| Aug | 27° / 22° | 22 | 3.9 | 0 | 13.6 | 8.1 |
| Sep | 24° / 19° | 90 | 8.5 | 0 | 12.3 | 7.4 |
| Oct | 20° / 16° | 131 | 10.4 | 0 | 10.9 | 6.5 |
| Nov | 16° / 12° | 183 | 13.4 | 0.1 | 9.7 | 4.8 |
| Dec | 13° / 9° | 151 | 13.2 | 0.2 | 9.1 | 3.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 40% of the time across spring.
Chance of precipitation in Spring
Castellammare di Stabia gets around 248 mm of rain and snow over 29 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 hours in early March to 14 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².
Hazard calendar for Castellammare di Stabia
In spring, Castellammare di Stabia overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Castellammare di Stabia's rainy season runs September–April, when most of the year's rain falls.
Is spring a good time to visit Castellammare di Stabia?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Castellammare di Stabia for sightseeing.
What to pack for Castellammare di Stabia in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Castellammare di Stabia sees daytime highs around 16°C and nights near 12°C. Pack sun protection. Worth having: a warm layer and rain gear. About 29 days see rain.
Sea temperature near Castellammare di Stabia in Spring
The nearest coast averages about 16°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) 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 7 — 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 | 23 | 25 | 26 | 24 | 22 | 19 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 19 | Cool |
| Jun | 23 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Castellammare di Stabia in Spring
Clear-sky midday UV across spring averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Castellammare di Stabia peaks around July 16 at about 9 (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 9 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 Castellammare di Stabia in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Castellammare di Stabia is worst in April — around 16 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) | 11 | 14 | 16 | 16 | 14 | 13 | 11 | 12 | 12 | 12 | 10 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 11 | Good |
| Aug | 12 | Good |
| Sep | 12 | Good |
| Oct | 12 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Castellammare di Stabia?
Castellammare di Stabia sits at 40.7°N, 14.5°E, 6 m above sea level, in Italy. The nearest listed city is Gragnano, 3.0 km away.
Topography around Castellammare di Stabia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castellammare di Stabia.
Within 3 km, the terrain around Castellammare di Stabia has large variations in elevation — a maximum elevation change of 929 m around an average of 105 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,381 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,804 m.
The land around Castellammare di Stabia is covered by trees (38%), artificial surfaces (32%) and water (25%) within 3 km, trees (39%) and water (38%) within 16 km, and water (40%) and trees (38%) 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 Castellammare di Stabia (40.7021°, 14.4869°, elevation 6 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.