Treviglio in Summer
In summer (June, July and August), Treviglio sees average daytime highs around 28°C and overnight lows near 18°C, with 257 mm of rain over about 31 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 49% of the time across summer, and the air most often feels humid.
Summer is Treviglio's best season of the year to visit on our travel score. For the whole year in context, see Treviglio's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 257 mm
- 31 wet days
- Avg wind
- 6 km/h
- Travel score
- 6.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Treviglio in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Treviglio reaches about 28°C and drops to 18°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Treviglio
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Treviglio 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 0° | 55 | 6.6 | 1.5 | 8.9 | 1.1 |
| Feb | 9° / 1° | 55 | 6.7 | 1.7 | 10.1 | 2.2 |
| Mar | 14° / 5° | 69 | 8.5 | 0.9 | 11.6 | 4.4 |
| Apr | 18° / 9° | 89 | 11.8 | 0.1 | 13.2 | 5.6 |
| May | 22° / 13° | 100 | 12.2 | 0 | 14.7 | 6.4 |
| Jun | 27° / 17° | 93 | 11.2 | 0 | 15.4 | 6.4 |
| Jul | 29° / 19° | 73 | 9.6 | 0 | 15.1 | 5.7 |
| Aug | 29° / 19° | 91 | 10.4 | 0 | 13.9 | 5.9 |
| Sep | 24° / 15° | 106 | 9.7 | 0 | 12.3 | 6.9 |
| Oct | 18° / 10° | 112 | 10.3 | 0 | 10.7 | 5.6 |
| Nov | 12° / 5° | 124 | 10.8 | 0.5 | 9.3 | 2.9 |
| Dec | 7° / 1° | 71 | 7.7 | 1.7 | 8.6 | 1.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 49% of the time across summer.
Chance of precipitation in Summer
Treviglio gets around 257 mm of rain over 31 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 6 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 h 12 min in early June to 13 h 12 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 6.0 kWh/m².
Is summer a good time to visit Treviglio?
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 Treviglio for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Treviglio in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Treviglio sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 31 days see rain.
UV index in Treviglio in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Treviglio peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 7 | 7 | 8 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Treviglio 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 Treviglio is worst in March — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Seasonal pattern from CAMS reanalysis, scaled to Treviglio's WHO annual average of 18.1 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 19 | 23 | 21 | 18 | 20 | 17 | 15 | 15 | 16 | 15 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 19 | Moderate |
| Mar | 23 | Moderate |
| Apr | 21 | Moderate |
| May | 18 | Moderate |
| Jun | 20 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 15 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 17 | Moderate |
Where is Treviglio?
Treviglio sits at 45.5°N, 9.6°E, 125 m above sea level, in Italy. The nearest listed city is Cassano d'Adda, 6.0 km away.
Topography around Treviglio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Treviglio.
Within 3 km, the terrain around Treviglio has only modest variations in elevation — a maximum elevation change of 34 m around an average of 124 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,974 m.
The land around Treviglio is covered by cropland (40%), grassland (27%) and artificial surfaces (25%) within 3 km, cropland (45%) and grassland (25%) within 16 km, and trees (35%) and cropland (35%) 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 Treviglio (45.5208°, 9.591°, elevation 125 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.