Grottaglie in Summer
In summer (June, July and August), Grottaglie sees average daytime highs around 29°C and overnight lows near 21°C, with 55 mm of rain over about 11 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 25°C in early June to 29°C by late August. The sky is clear or mostly clear about 82% of the time across summer, and the air most often feels humid.
Summer is Grottaglie's 2nd-best season to visit on our travel score. For the whole year in context, see Grottaglie's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 55 mm
- 11 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.7
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Grottaglie in Summer
Over the season highs climb from about 25°C in early June to 29°C by late August.
A typical summer day in Grottaglie reaches about 29°C and drops to 21°C overnight. The warmest of the three months is August, the coolest June.
Grottaglie 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° / 7° | 56 | 8.6 | 9.4 | 3.4 |
| Feb | 13° / 7° | 55 | 8.6 | 10.4 | 3.6 |
| Mar | 15° / 9° | 60 | 9 | 11.7 | 4.7 |
| Apr | 18° / 11° | 54 | 8.4 | 13 | 6.1 |
| May | 22° / 15° | 38 | 6.2 | 14.2 | 7.6 |
| Jun | 27° / 19° | 23 | 4.5 | 14.8 | 7.6 |
| Jul | 30° / 22° | 15 | 2.9 | 14.6 | 6.4 |
| Aug | 30° / 22° | 17 | 3.3 | 13.6 | 6.1 |
| Sep | 26° / 19° | 56 | 7.2 | 12.3 | 7.4 |
| Oct | 22° / 15° | 73 | 8.3 | 10.9 | 7.1 |
| Nov | 17° / 12° | 82 | 9 | 9.7 | 5.7 |
| Dec | 13° / 8° | 61 | 8.8 | 9.2 | 4.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 82% of the time across summer.
Chance of precipitation in Summer
Grottaglie gets around 55 mm of rain over 11 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 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 7.0 kWh/m².
Is summer a good time to visit Grottaglie?
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 a reasonable time to visit Grottaglie for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Grottaglie in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Grottaglie sees daytime highs around 29°C and nights near 21°C. Pack light clothes and sun protection. About 11 days see rain.
Sea temperature near Grottaglie 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 at the nearest coast (about 19 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 29 to Nov 1 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 18 | 22 | 25 | 26 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Grottaglie 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 Grottaglie peaks around July 17 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 6 | 7 | 9 | 10 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | 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 | 6 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Grottaglie?
Grottaglie sits at 40.5°N, 17.4°E, 130 m above sea level, in Italy. The nearest listed city is Francavilla Fontana, 13 km away.
Topography around Grottaglie
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grottaglie.
Within 3 km, the terrain around Grottaglie has only modest variations in elevation — a maximum elevation change of 141 m around an average of 133 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 449 m; within 80 km, significant variations in elevation — a maximum elevation change of 522 m.
The land around Grottaglie is covered by trees (28%), grassland (28%) and cropland (21%) within 3 km, trees (37%), cropland (26%) and grassland (25%) within 16 km, and water (48%) 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 Grottaglie (40.5369°, 17.4372°, elevation 130 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.