Mazara del Vallo in Summer
In summer (June, July and August), Mazara del Vallo sees average daytime highs around 27°C and overnight lows near 22°C, with 13 mm of rain over about 3 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 28°C by late August. The sky is clear or mostly clear about 89% of the time across summer, and the air most often feels muggy.
Summer is Mazara del Vallo's best season of the year to visit on our travel score. For the whole year in context, see Mazara del Vallo's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 13 mm
- 3 wet days
- Avg wind
- 14 km/h
- Travel score
- 8.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Mazara del Vallo in Summer
Over the season highs climb from about 23°C in early June to 28°C by late August.
A typical summer day in Mazara del Vallo reaches about 27°C and drops to 22°C overnight. The warmest of the three months is August, the coolest June.
Mazara del Vallo 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 | 14° / 10° | 64 | 9.9 | 9.7 | 4.3 |
| Feb | 14° / 10° | 61 | 9.2 | 10.5 | 4.2 |
| Mar | 16° / 11° | 51 | 8.2 | 11.7 | 5.2 |
| Apr | 18° / 13° | 41 | 7.1 | 12.9 | 6.4 |
| May | 21° / 16° | 19 | 4 | 14 | 7.9 |
| Jun | 25° / 20° | 5 | 1.3 | 14.6 | 8.9 |
| Jul | 28° / 23° | 2 | 0.4 | 14.3 | 8.4 |
| Aug | 29° / 23° | 6 | 1.5 | 13.5 | 7.5 |
| Sep | 26° / 21° | 42 | 6 | 12.3 | 7.7 |
| Oct | 23° / 18° | 74 | 8.4 | 11 | 7.4 |
| Nov | 19° / 15° | 77 | 10.3 | 10 | 6.2 |
| Dec | 16° / 12° | 71 | 10.8 | 9.4 | 4.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 89% of the time across summer.
Chance of precipitation in Summer
Mazara del Vallo gets around 13 mm of rain over 3 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 24 min in early June to 12 h 54 min 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 7.3 kWh/m².
Is summer a good time to visit Mazara del Vallo?
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 Mazara del Vallo for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Mazara del Vallo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mazara del Vallo sees daytime highs around 27°C and nights near 22°C. Pack light clothes and sun protection.
Sea temperature near Mazara del Vallo in Summer
The nearest coast averages about 23°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 25°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 9 to Nov 5 — about 4.9 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 | 15 | 18 | 21 | 24 | 25 | 24 | 22 | 19 | 16 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Mazara del Vallo 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 Mazara del Vallo peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 4 | 6 | 3 | 5 | 8 | 10 | 8 | 7 | 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 | 4 | Moderate |
| Mar | 6 | High |
| Apr | 3 | Moderate |
| May | 5 | High |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Mazara del Vallo?
Mazara del Vallo sits at 37.7°N, 12.6°E, 8 m above sea level, in Italy. The nearest listed city is Castelvetrano, 18 km away.
Topography around Mazara del Vallo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mazara del Vallo.
Within 3 km, the terrain around Mazara del Vallo has only modest variations in elevation — a maximum elevation change of 64 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 227 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,576 m.
The land around Mazara del Vallo is covered by water (38%), artificial surfaces (28%) and grassland (23%) within 3 km, water (43%) and grassland (33%) within 16 km, and water (62%) and grassland (21%) 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 Mazara del Vallo (37.6553°, 12.5899°, elevation 8 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.