Ischia Porto weather in April

In April, Ischia Porto sees average daytime highs of 16°C and overnight lows near 13°C, with 63 mm of rain across 8 wet days and about 13.1 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 47% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Ischia Porto's 7th-clearest and 6th-windiest month. For the whole year in context, see Ischia Porto's year-round climate.

Daytime high
16°
8th warmest
Overnight low
13°
5th coldest
Rainfall
63 mm
8 wet days
Daylight
13 h 06 min
5:32 AM – 6:37 PM
Cloud cover
46%
7th clearest
Wind
15 km/h
6th windiest
Solar energy
5.55 kWh/m²
Travel score
5.3
out of 10

Ischia Porto is human settlement in Ischia, Metropolitan City of Naples, Campania, Italy.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical April day in Ischia Porto reaches about 16°C in the afternoon and slips back to 13°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, April runs about 2°C warmer than March and about 4°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11512
21512
31512
41512
51513
61513
71513
81513
91513
101513
111513
121513
131513
141513
151613
161613
171613
181614
191614
201614
211614
221614
231614
241614
251714
261715
271715
281715
291715
301715

Ischia Porto weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 10°105119.43.5
Feb13° / 10°8910.410.43.4
Mar14° / 11°819.411.74.2
Apr16° / 13°63813.15.3
May19° / 17°365.414.27.1
Jun23° / 21°18314.98.6
Jul25° / 24°101.814.69.0
Aug26° / 24°172.413.68.6
Sep24° / 21°777.812.37.7
Oct21° / 18°1109.810.96.7
Nov17° / 15°16513.69.75.2
Dec14° / 12°13313.19.14.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26634
36634
46634
56634
66733
76733
86634
96733
106733
116733
126733
136733
146733
156634
166634
176535
186634
196535
206535
216436
226337
236337
246238
256238
266238
276238
286238
296238
306337

Chance of precipitation in April

Any precipitation

Ischia Porto gets around 63 mm of rain over 8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1627
1727
1826
1926
2026
2126
2226
2326
2426
2526
2626
2726
2826
2926
3026

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19370
29370
39280
49190
590100
690100
789110
888120
987130
1086140
1185150
1283170
1382180
1481190
1580200
1678211
1776231
1874251
1973261
2071281
2168302
2266322
2364342
2460373
2558393
2655414
2753434
2851445
2948466
3046486

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:57 AM to 5:11 AM, and sunset from 6:21 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:576:21
212.55:556:22
312.55:536:23
412.55:526:24
512.65:506:25
612.65:486:26
712.75:476:27
812.75:456:28
912.85:436:29
1012.85:426:31
1112.95:406:32
1212.95:386:33
1313.05:376:34
1413.05:356:35
1513.05:346:36
1613.15:326:37
1713.15:306:38
1813.25:296:39
1913.25:276:40
2013.35:266:41
2113.35:246:42
2213.35:236:43
2313.45:216:44
2413.45:206:45
2513.55:186:47
2613.55:176:48
2713.65:156:49
2813.65:146:50
2913.65:136:51
3013.75:116:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.55 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 7.13 kWh/m² in June across the year — April's 5.55 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.6Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
Planning a trip in April

Hazard calendar for Ischia Porto

In seasonPeak

None of Ischia Porto's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ischia Porto's rainy season runs September–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Ischia Porto?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
7th-best month of the year
0.6
Beach & pool
8th-best month of the year

April is a reasonable time to visit Ischia Porto for sightseeing.

What to pack for Ischia Porto in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Ischia Porto sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ischia Porto in April

The nearest coast averages about 16°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 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 5 — about 5.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Ischia Porto in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 Ischia Porto 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 16UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Ischia Porto in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Ischia Porto 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 916 µg/m³Dec 1110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun13Moderate
Jul11Good
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Ischia Porto?

Ischia Porto sits at 40.7°N, 14.0°E, 19 m above sea level, in Italy. The nearest listed city is Ischia, 0.0 km away.

Topography around Ischia Porto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ischia Porto.

Within 3 km, the terrain around Ischia Porto has significant variations in elevation — a maximum elevation change of 499 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 761 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,570 m.

The land around Ischia Porto is covered by water (58%) and trees (28%) within 3 km, water (91%) within 16 km, and water (60%) and trees (25%) within 80 km.

3 km
499 m
16 km
761 m
80 km
1,570 m
treesshrubsgrasslandcroplandartificial surfaceswater
April weather nearby: Ischia 0.0 km · Forio 8.0 km · Bacoli 12 km · Pozzuoli 17 km · Monterusciello 18 km · Bagnoli 20 km · Quarto 22 km · Posillipo 23 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
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Ischia Porto (40.7391°, 13.951°, elevation 19 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).