Niscemi in Summer
In summer (June, July and August), Niscemi sees average daytime highs around 30°C and overnight lows near 19°C, with 28 mm of rain over about 5 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 26°C in early June to 30°C by late August. The sky is clear or mostly clear about 88% of the time across summer, and the air most often feels humid.
Summer is Niscemi's 3rd-best season to visit on our travel score. For the whole year in context, see Niscemi's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 28 mm
- 5 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Niscemi in Summer
Over the season highs climb from about 26°C in early June to 30°C by late August.
A typical summer day in Niscemi reaches about 30°C and drops to 19°C overnight. The warmest of the three months is August, the coolest June.
Niscemi 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 | 13° / 5° | 65 | 7.5 | 9.7 | 4.1 |
| Feb | 14° / 5° | 55 | 7.4 | 10.6 | 4.3 |
| Mar | 16° / 7° | 48 | 7.2 | 11.7 | 5.5 |
| Apr | 19° / 9° | 42 | 7.2 | 12.9 | 6.8 |
| May | 24° / 13° | 21 | 3.5 | 14 | 8.2 |
| Jun | 28° / 17° | 14 | 2.2 | 14.5 | 7.5 |
| Jul | 31° / 20° | 4 | 0.7 | 14.3 | 6.1 |
| Aug | 31° / 20° | 11 | 2.1 | 13.4 | 5.9 |
| Sep | 27° / 18° | 45 | 5.5 | 12.3 | 7.3 |
| Oct | 23° / 14° | 74 | 7.3 | 11 | 7.5 |
| Nov | 19° / 10° | 73 | 8.6 | 10 | 6.3 |
| Dec | 15° / 7° | 62 | 8.1 | 9.5 | 4.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 88% of the time across summer.
Chance of precipitation in Summer
Niscemi gets around 28 mm of rain over 5 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 7 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 7.2 kWh/m².
Is summer a good time to visit Niscemi?
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 Niscemi for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Niscemi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Niscemi sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. About 5 days see rain.
Sea temperature near Niscemi in Summer
The nearest coast averages about 24°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 24 km away) is warmest in August at about 26°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 5 to Nov 12 — about 5.3 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 | 16 | 18 | 21 | 24 | 26 | 24 | 22 | 20 | 17 |
| Comfort | Cool | Bracing | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Cool |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 26 | Warm |
| Sep | 24 | Warm |
| Oct | 22 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Niscemi 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 Niscemi peaks around July 15 at about 10 (extreme) — 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 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 6 | 5 | 5 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |
| Level | Moderate | Moderate | High | Moderate | High | Very high | Extreme | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 5 | Moderate |
| May | 5 | High |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Niscemi 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 Niscemi is worst in April — around 17 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 14 | 16 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 11 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 16 | Moderate |
| Jun | 15 | Moderate |
| Jul | 14 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 13 | Moderate |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Niscemi?
Niscemi sits at 37.1°N, 14.4°E, 332 m above sea level, in Italy. The nearest listed city is Caltagirone, 15 km away.
Topography around Niscemi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Niscemi.
Within 3 km, the terrain around Niscemi has significant variations in elevation — a maximum elevation change of 310 m around an average of 210 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 788 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,933 m.
The land around Niscemi is covered by grassland (50%) and cropland (34%) within 3 km, grassland (42%) and cropland (34%) within 16 km, and grassland (31%), water (29%) and cropland (24%) 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 Niscemi (37.1465°, 14.3938°, elevation 332 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.