Weather in Venice in July

How July compares

July is the 2nd warmest month of the year in Venice and ranks 94th of 134 destinations we compare for July - see where else is hot in July. Within Italy it is 13th of 16 (Italy in July). Against London's average high of 21.8°C in July, Venice is 5.4°C warmer by day and 6.4°C warmer at night.

Daytime and night-time in July

The typical July day in Venice peaks at 27.2°C, but that is an average: the warmest 10% of days reach 30.2°C or more. About 82% of days top 25°C and 1 in 8 pass 30°C. Nights average 19.9°C; one night in ten drops to 16.9°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest July day here reached 34.1°C (2015-07-22) and the coldest night 13.2°C (2000-07-17).

Rain in July

Some rain (4-8 rainy days): about 8 days with 1 mm or more, 60 mm in total. Year to year it varies a lot - the wettest July was 2014 with 240 mm, the driest 2006 with 14 mm. Humidity averages 71%.

Sea temperature in July

The sea averages 25.5°C - warm enough to swim (22°c+). Depending on the year it ranges from 24.3°C to 26.7°C. For the warmest sea here, come in August (25.9°C).

Sunshine and daylight

Around 9.1 hours of sunshine a day (estimated from cloud cover), 15.1 hours of daylight: the sun rises about 05:37 and sets about 20:56 local time in mid-July. Average cloud cover is 40%.

Is July a good time to visit Venice?

Yes - it is one of the better months: hot days, manageable rain and long sunny days. The best months for Venice on our scoring are July, August, June; months averaging 25°C or more: Jul, Aug.

Expect heat that calls for a slower pace

Venice in July suits travellers who enjoy summer warmth rather than those who want to walk all day without feeling hot. Temperatures reach 25°C on 82% of days, so plan for light, breathable clothing rather than treating warm weather as a bonus. Humidity averages 71%, which can make the heat feel more wearing, particularly around midday. Put longer walks earlier in the day and leave room for breaks in shade. Nights average 20°C, so evenings offer some relief without usually feeling cool. A light layer is still sensible if you tend to feel chilly after sitting outside.

Plenty of sunshine, but keep a wet-weather option

July brings about 9.1 hours of sunshine within 15.1 hours of daylight, giving you plenty of scope to move outdoor plans away from the hottest part of the day. That does not mean uninterrupted clear skies: about 8 days have measurable rain. Pack a compact umbrella or a light waterproof, and keep some indoor time flexible rather than committing every day to being outside. The catch is expecting a completely dry summer trip; the better approach is to welcome the sunshine without depending on it. Sun protection matters, while a heavy waterproof is likely to feel cumbersome in the warmth.

Warm sea, with hotter days to plan around

If swimming is part of your holiday plans, July's sea temperature is a clear plus. It averages 25.5°C, with a year-to-year range of 24°C to 27°C, making it suitable for a swim rather than a bracing dip. That adds to July's appeal for travellers who like combining a city stay with time in the water. On land, however, the hottest days need a different pace: 13% of days reach 30°C. Avoid making strenuous outdoor plans inflexible, and prioritise somewhere you can cool down comfortably between outings. July is a strong choice for warmth, but not for avoiding heat.