Velletri weather in July

In July, Velletri sees average daytime highs of 29°C and overnight lows near 19°C, with 29 mm of rain across 5.2 wet days and about 14.7 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 30°C by the end. The sky is clear or mostly clear about 81% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Velletri's 1st-clearest and 9th-windiest month. For the whole year in context, see Velletri's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
29 mm
5.2 wet days
Daylight
14 h 42 min
4:52 AM – 7:37 PM
Cloud cover
22%
1st clearest
Wind
7 km/h
9th windiest
Solar energy
7.08 kWh/m²
Travel score
6.5
out of 10

Velletri is chief town of the homonym municipality.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 30°C by the end.

A typical July day in Velletri reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12818
22918
32918
42918
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
203019
213019
223019
233019
243019
253019
263019
273019
283020
293020
303020
313020

Velletri weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 789.60.39.32.9
Feb12° / 829.80.610.33.2
Mar15° / 8810.30.111.74.5
Apr18° / 9412.70.113.15.4
May22° / 13°7510.1014.36.8
Jun26° / 16°467.70157.3
Jul29° / 19°295.2014.76.5
Aug30° / 19°305.8013.76.2
Sep25° / 16°9310.3012.37.0
Oct21° / 12°12511.3010.96.4
Nov16° / 14812.809.64.6
Dec12° / 11310.80.193.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 81% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
4919
5919
6919
7919
8919
9919
10919
11919
12928
13928
14928
15928
16928
17928
18937
19937
20937
21937
22937
23937
24937
25928
26928
27928
28928
29928
30919
31919

Chance of precipitation in July

Any precipitation

Velletri gets around 29 mm of rain over 5.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
415
515
615
715
815
915
1016
1116
1216
1316
1416
1516
1616
1716
1817
1917
2017
2118
2218
2318
2418
2518
2618
2718
2818
2918
3018
3118

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the humid band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
192243251
292143251
392043262
492043262
592043262
692043262
792043262
892143252
992143252
1092243242
1192244232
1282344222
1382345222
1482345212
1582345212
1682346212
1782346222
1872346222
1972246231
2062246241
2162146251
2252147261
2352047271
2441947281
2541847301
2631748311
2731747321
2831647331
2921547341
3021546352
3121446362

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:43 AM to 5:06 AM, and sunset from 7:42 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:437:42
215.04:437:42
315.04:437:42
415.04:447:42
514.94:457:41
614.94:457:41
714.94:467:41
814.94:467:41
914.94:477:40
1014.94:487:40
1114.94:487:39
1214.84:497:39
1314.84:507:38
1414.84:517:38
1514.84:517:37
1614.74:527:37
1714.74:537:36
1814.74:547:36
1914.74:557:35
2014.64:557:34
2114.64:567:33
2214.64:577:33
2314.64:587:32
2414.54:597:31
2514.55:007:30
2614.55:017:29
2714.45:027:28
2814.45:037:27
2914.45:047:26
3014.35:057:25
3114.35:067:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.08 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 7.08 kWh/m² in July across the year — July's 7.08 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
256.9Intense
266.9Intense
276.9Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in July

Is July a good time to visit Velletri?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
4th-best month of the year
8.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Velletri for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Velletri in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Velletri sees daytime highs around 29°C and nights near 19°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Velletri in July

The nearest coast averages about 25°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 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 31 to Nov 1 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Velletri in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Velletri peaks around July 15 at about 10 (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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 15UV 10Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr4Moderate
May7High
Jun9Very high
Jul10Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Velletri in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Velletri is worst in April — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateModerateApr 1117 µg/m³Sep 1812 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar17Moderate
Apr17Moderate
May15Moderate
Jun14Moderate
Jul12Good
Aug13Moderate
Sep11Good
Oct12Moderate
Nov12Good
Dec13Moderate
Location & terrain

Where is Velletri?

Velletri sits at 41.7°N, 12.8°E, 332 m above sea level, in Italy. The nearest listed city is Genzano di Roma, 8.0 km away.

Topography around Velletri

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Velletri.

Within 3 km, the terrain around Velletri has significant variations in elevation — a maximum elevation change of 532 m around an average of 316 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,163 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,441 m.

The land around Velletri is covered by trees (80%) within 3 km, trees (60%) within 16 km, and trees (43%) and water (30%) within 80 km.

3 km
532 m
16 km
1,163 m
80 km
2,441 m
treesshrubsgrasslandcroplandartificial surfaceswater
July weather nearby: Genzano di Roma 8.0 km · Ariccia 10 km · Albano Laziale 11 km · Rocca di Papa 11 km · Cisterna di Latina 11 km · Marino 14 km · Grottaferrata 14 km · Aprilia 14 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
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Velletri (41.6857°, 12.7775°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).