Venice Climate Overview
Venice has a humid subtropical climate with distinct seasons, heavily influenced by its lagoon location and the Adriatic Sea. Summers are hot and sticky, winters are cold and damp, and the famous acqua alta (high water) can flood St. Mark’s Square between autumn and spring. Humidity is part of the deal here – the city is built on water, after all.
The best weather windows are late spring and early autumn, when temperatures are pleasant and the summer tourist crush hasn’t yet arrived or has just departed. Winter brings moody fog that transforms the canals into something out of a Turner painting. Summer delivers that golden Italian light but also crowds that can make narrow alleyways nearly impassable.
Venice Weather by Month
January
The coldest month. Highs around 44°F (7°C), lows 32°F (0°C). Fog is frequent and atmospheric. Acqua alta can flood parts of the city, particularly St. Mark’s Square. Tourist numbers are at their lowest – you’ll have the Rialto Bridge almost to yourself. Pack waterproof boots, warm layers, and a good coat. The Carnevale buildup begins late in the month.
February
Carnevale month. Highs of 48°F (9°C), lows 34°F (1°C). The city fills with elaborate masks, costumes, and festive energy. Cold and possibly wet, but the spectacle is worth it. Hotel prices spike during Carnevale – book months ahead. Rain falls about 8 days. Acqua alta still possible.
March
Spring starts tentatively. Highs reach 54°F (12°C), lows 41°F (5°C). The lagoon warms slowly. Crowds remain manageable before Easter. Rain falls about 9 days. Light jacket and umbrella weather. The days grow noticeably longer and brighter.
April
Beautiful and increasingly popular. Highs of 63°F (17°C), lows 48°F (9°C). Wisteria blooms cascade over canal walls. Easter brings crowds if it falls in April. About 11 rainy days but showers are often brief. One of the best months for photography – the light is soft and the city is blooming. Book ahead.
May
Arguably the best month. Highs of 72°F (22°C), lows 55°F (13°C). Long sunny days, warm but not hot. The Biennale art exhibition opens (in odd-numbered years), adding cultural weight to the visit. Tourist numbers climb but haven’t peaked. Perfect for gondola rides, terrace dining, and getting lost in the back canals. Light clothing with a jacket for evenings.
June
Summer arrives properly. Highs of 79°F (26°C), lows 63°F (17°C). Humidity rises and the city fills with tourists. Long daylight hours mean you can sightsee until 9pm. Mosquitoes become a nuisance near canals – bring repellent. Still pleasant for evening strolls but afternoons can feel sticky. Book everything well in advance.
July
Hot, humid, and packed. Highs of 84°F (29°C), occasionally hitting the mid-90s. The Redentore festival in mid-July brings spectacular fireworks over the Giudecca Canal. Tourist density peaks. Narrow alleyways can feel like a sauna. Start sightseeing early, take a midday break, and go out again after 5pm. Sunscreen and water are essential.
August
The hottest month. Highs of 84°F (29°C), high humidity. Ferragosto (August 15) is the Italian summer holiday peak. Italians join international tourists in packing the city. Some smaller restaurants close as Venetians escape the heat. Thunderstorms provide occasional relief. The Venice Film Festival preparations begin on the Lido.
September
Glorious. Highs of 75°F (24°C), lows 59°F (15°C). The summer heat breaks but the water is still warm enough for swimming at the Lido beaches. Venice Film Festival brings star power in early September. Crowds thin after mid-month. The Regata Storica (historic boat race) on the Grand Canal is a spectacular first-Sunday event. One of the finest months to visit.
October
Autumn mood sets in. Highs of 64°F (18°C), lows 50°F (10°C). Rain increases to about 10 days. The city feels romantic in its autumn colors. Tourist numbers drop significantly after mid-month. Hotel prices come down. Acqua alta season begins – bring waterproof footwear. Foggy mornings on the Grand Canal are pure magic.
November
Quiet, damp, and atmospheric. Highs of 52°F (11°C), lows 41°F (5°C). Acqua alta is most frequent. The Festa della Salute on November 21 brings a temporary pontoon bridge across the Grand Canal. Fog wraps the city in mystery. Lowest tourist numbers of the year. The Biennale closes (in odd years). Perfect for museum visits and cozy bacari (wine bars).
December
Cold and often foggy. Highs of 45°F (7°C), lows 33°F (1°C). Christmas markets appear in Campo Santo Stefano and elsewhere. The city feels intimate and quiet before the New Year’s rush. New Year’s Eve brings fireworks over the lagoon. Hotel prices rise for the holiday period then plummet in early January. Snow is rare but magical when it dusts the rooftops.
Venice Monthly Climate Table
| Month | Avg High | Avg Low | Rainy Days | Acqua Alta Risk |
|---|---|---|---|---|
| January | 44°F (7°C) | 32°F (0°C) | 7 | High |
| February | 48°F (9°C) | 34°F (1°C) | 8 | High |
| March | 54°F (12°C) | 41°F (5°C) | 9 | Moderate |
| April | 63°F (17°C) | 48°F (9°C) | 11 | Low |
| May | 72°F (22°C) | 55°F (13°C) | 10 | Low |
| June | 79°F (26°C) | 63°F (17°C) | 11 | Low |
| July | 84°F (29°C) | 66°F (19°C) | 9 | Low |
| August | 84°F (29°C) | 66°F (19°C) | 9 | Low |
| September | 75°F (24°C) | 59°F (15°C) | 8 | Low |
| October | 64°F (18°C) | 50°F (10°C) | 10 | Moderate |
| November | 52°F (11°C) | 41°F (5°C) | 11 | High |
| December | 45°F (7°C) | 33°F (1°C) | 9 | High |
Acqua alta typically occurs 4-6 times per year, mostly November through February. When tides exceed 110cm above normal, St. Mark’s Square floods. Elevated walkways are deployed. Check tide forecasts at comune.venezia.it if visiting in high-risk months.
