Genoa (Genova) weather in May

May in Genoa: nice, rainy, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Genoa🇮🇹 Italy · Northern Italy · City86
  1. 66Jan
  2. 70Feb
  3. 75Mar
  4. 86Apr
  5. 86May
  6. 84Jun
  7. 80Jul
  8. 76Aug
  9. 85Sep
  10. 76Oct
  11. 67Nov
  12. 64Dec

#2 of 12 months in Genoa · #382 of 1413 destinations to visit in May · comfort 86/100 (tier A)

Days
21°C
Nights
15°C
Wet days
17
Sun
10.8 h
Humidity
79%
Daylight
15 h
Genoa, Italy
Photo: pierre matile · Pexels

Traveller notes on Genoa in May

Regulars call May on this coast fickle: highs around 20C, warm and pleasant enough by day, cool in the mornings and evenings, and capable of rain at any point - pack a light jacket and a raincoat. By the end of the month the rain is more a quick shower than a whole lost day. Our row is wetter than the description suggests at 131.6mm across 16.8 days, the sort of figure that makes an indoor plan worth having, and this city is what the regional boards nominate as the wet-day fallback for anyone caught out along the Riviera. The sea is 19C, for walking rather than swimming. The record: 15.1C nights, humidity 79 percent, 10.8 hours of sun and AQI 49.
TheWetDayFallback · May · 1 month ago · Read more on tripadvisor.co.uk ↗

Other months in Genoa

Regulars describe this city itself as awfully warm and genuinely quiet in summer, with the hillside residential neighborhoods in particular turning near-deserted as locals head to nearby coastal towns rather than staying in the city proper. Our row backs the hot, still-humid read, 27.9C reading as a hot 32C, over 22.4C nights, with 58.6mm of rain across 11 days and humidity at 76 percent. Regulars are specific that Genoa itself has almost no beaches of its own despite being a major port city, so anyone wanting a swim is pointed toward the wider Italian Riviera rather than the city center. The sea sits at a genuinely warm 26.7C for those day trips. The record: 12.7 hours of sun, a 12.2 kph wind and AQI 56.
WarmAndEmptyOnceLocalsHeadToTheCoast · July · 1 month ago · Read more on Tripadvisor ↗
Early June here is not yet settled - regulars give a range from 20C to 30C and say the rain, when it comes, comes in the afternoon. Our row lands at 25.3C but reads as 29C, because this coast runs humid at 78 percent, which is the opposite arrangement to inland Italy at the same temperature. Rain is 80.9mm across 11.4 days, more than the postcard suggests. On the water they are blunt in the way this whole riviera is: the sun is warm enough to lie in and the sea at 23.8C is still cold to get into. Nights hold 20.1C. Sunshine runs 12.5 hours inside 15.5 of daylight. The record: a dew point of 17.1C and AQI 57.
SunWarmSeaCold · June · 1 month ago · Read more on Tripadvisor ↗
April in Genoa is a sightseeing month rather than a coastal one, and regulars make two points about it. The first is that Liguria's forecasts are unusually unreliable, hemmed in as the city is between mountains and sea, so a grim week ahead often is not. The second is that it is not beach weather whatever the air does: our row puts the sea at 15.2C. The month is also wet for the Riviera, 89.3mm across 10.8 precipitation days, which is why the aquarium, the palaces of the historic centre and Boccadasse are what people actually plan around. The record: 17.9C days that feel like 17C, 11.3C nights, humidity 74 percent and 10.2 hours of sun.
ForecastsAreUnreliableHere · April · 1 month ago · Read more on Tripadvisor ↗
Genoa forum threads describe January as mild by northern Italian standards thanks to its coastal position, with posters citing typical highs and lows around 12C and 6C - noticeably milder than inland cities like Milan, which runs closer to 7C highs and 2C lows in the same month. On a clear, full-sun winter day, posters described conditions comfortable enough to eat or drink outdoors along the seafront in Genoa and neighboring Riviera towns. Real snow reaching the coast was called rare, but posters were consistent that rain and damp humidity are common, and that dampness can make the air feel colder than the actual temperature suggests. The standard advice was a warm layer for the humidity-driven chill, while keeping expectations for genuinely mild, walkable days on the better afternoons.
PortoAnticoRegular · January · 1 month ago · Read more on Tripadvisor ↗

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Genoa climate normals — May

Daytime high21°C / 70°F😎 nice
Nighttime low15°C / 59°F
Feels like (high)22°C / 72°F
Sea temperature19°C / 66°F🌊 fresh
Rainfall132 mm / 5.2 in🌧 rainy
Rainy days17 days
Humidity79%💦 very humid
Dew point13°C / 55°F
Sunshine10.8 h/day
Daylight14.8 h
Wind14 km/h / 9 mph
Snowfall0.7 cm / 0.3 in
Air quality (US AQI)49🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Genoa in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsCruise season, Spring bank-holiday bridges, school holidays in 4 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Genoa's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherGenoa's best weather comes in April, May and September — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Genoa in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Cruise season

    1 Apr – 31 OctCrowded

    This is a home port rather than a stop, so the ships turn round here on Saturdays and Sundays and the aquarium and the Porto Antico take the whole day's worth at once.

  • Holiday

    Spring bank-holiday bridges

    25 Apr – 2 JunNational holidayCrowdedBook early

    Liberation Day (25 April), Labour Day (1 May) and Republic Day (2 June) are public holidays, and when one falls near a weekend Italians bridge it into a long break, the ponte. Those weekends bring domestic crowds, fuller trains and higher room rates, and some shops close on the day. Source ↗

What's on around the world in May →

Nearby, and something's on

Within 300 km of Genoa — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Genoa?

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Genoa in May — FAQ

Is May a good time to visit Genoa?
May in Genoa: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Genoa on SeasonMap's comfort score (86/100).
What is the weather like in Genoa in May?
In May, Genoa averages a daily high of 21°C and a low of 15.1°C, with about 131.6 mm of rain over roughly 16.8 rainy days.
What is the air quality in Genoa in May?
Genoa has a mean US Air Quality Index of about 49 in May.

Within 300 km: Cinque Terre's Monterosso lemon festival around 15–25 May, and Milan's Lake ferries on full timetable around 1 Apr – 15 Oct.