Acerra in Summer
In summer (June, July and August), Acerra sees average daytime highs around 27°C and overnight lows near 20°C, with 77 mm of rain over about 14 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 23°C in early June to 27°C by late August. The sky is clear or mostly clear about 77% of the time across summer, and the air most often feels muggy.
Summer is Acerra's best season of the year to visit on our travel score. For the whole year in context, see Acerra's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 77 mm
- 14 wet days
- Avg wind
- 7 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Acerra in Summer
Over the season highs climb from about 23°C in early June to 27°C by late August.
A typical summer day in Acerra reaches about 27°C and drops to 20°C overnight. The warmest of the three months is August, the coolest June.
Acerra weather by month
How the three summer months (June, July and August) 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° / 6° | 109 | 11 | 9.4 | 3.0 |
| Feb | 12° / 6° | 103 | 10.7 | 10.4 | 3.1 |
| Mar | 14° / 8° | 106 | 10.9 | 11.7 | 4.3 |
| Apr | 17° / 10° | 97 | 11.7 | 13.1 | 5.3 |
| May | 21° / 14° | 64 | 8.4 | 14.3 | 6.9 |
| Jun | 25° / 18° | 34 | 5.6 | 14.9 | 8.0 |
| Jul | 28° / 21° | 19 | 4 | 14.6 | 7.8 |
| Aug | 28° / 21° | 23 | 4.2 | 13.6 | 7.2 |
| Sep | 25° / 18° | 94 | 9 | 12.3 | 7.3 |
| Oct | 21° / 14° | 135 | 10.5 | 10.9 | 6.6 |
| Nov | 16° / 11° | 180 | 13.4 | 9.7 | 4.8 |
| Dec | 13° / 7° | 141 | 12.4 | 9.1 | 3.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 77% of the time across summer.
Chance of precipitation in Summer
Acerra gets around 77 mm of rain over 14 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 42 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.7 kWh/m².
Hazard calendar for Acerra
None of Acerra's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Acerra's rainy season runs September–April, when most of the year's rain falls.
Is summer a good time to visit Acerra?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Acerra for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Acerra in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Acerra sees daytime highs around 27°C and nights near 20°C. Pack light clothes and sun protection. About 14 days see rain.
Sea temperature near Acerra in Summer
The nearest coast averages about 25°C across summer — 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 26 to Nov 7 — about 5.5 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 Acerra in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Acerra 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 Acerra in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Acerra 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 Acerra's WHO annual average of 17.1 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 20 | 21 | 21 | 17 | 16 | 16 | 16 | 14 | 15 | 15 | 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 | 21 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 16 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 15 | Moderate |
| Nov | 15 | Moderate |
| Dec | 17 | Moderate |
Where is Acerra?
Acerra sits at 40.9°N, 14.4°E, 28 m above sea level, in Italy. The nearest listed city is Pomigliano d'Arco, 4.0 km away.
Topography around Acerra
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Acerra.
Within 3 km, the terrain around Acerra has only modest variations in elevation — a maximum elevation change of 24 m around an average of 26 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,279 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.
The land around Acerra is covered by cropland (42%), artificial surfaces (29%) and trees (20%) within 3 km, trees (35%) and artificial surfaces (35%) within 16 km, and trees (38%) and water (36%) 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 Acerra (40.9448°, 14.3714°, elevation 28 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.