Hamburg weather in May

May in Hamburg: nice, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Hamburg🇩🇪 Germany · Central Europe · City84
  1. 43Jan
  2. 53Feb
  3. 65Mar
  4. 76Apr
  5. 84May
  6. 90Jun
  7. 89Jul
  8. 93Aug
  9. 82Sep
  10. 69Oct
  11. 57Nov
  12. 47Dec

#4 of 12 months in Hamburg · #508 of 1413 destinations to visit in May · comfort 84/100 (tier A)

Days
19°C
Nights
8°C
Wet days
9
Sun
11.2 h
Humidity
70%
Daylight
16 h
Hamburg, Germany
Photo: Juri Schick · Pexels

Traveller notes on Hamburg in May

May can already be warm here, regulars say, and then add the northern German caveat in the same breath: take a jacket, because you never know. Our row gives 18.7C reading as 17C in an 18 kph wind, over nights that still fall to 7.6C. The city's reputation for bad weather overstates this month - 52.5mm across 8.8 days with 11.2 hours of sun inside 15.9 of daylight is a good spring by any measure - but the showers are frequent enough that a light waterproof earns its place. Early May brings the harbour's birthday festival, when the Elbe fills with tall ships and the parks are in blossom. The record: humidity 70 percent, a dew point of 7.5C and AQI 46.
TakeTheJacketAnyway · May · 1 month ago · Read more on Tripadvisor ↗

Other months in Hamburg

Regulars are direct that this can be a genuinely sunny month here, pushing back on the city's general reputation for rain, while also noting Hamburg's northern, coastal position tends to make it cooler than many other parts of Germany at the same time of year. Our row backs the mild, still-real-rain read, 20C over 10.4C nights, with 60.3mm of rain across 9.6 days. Regulars call this a genuinely good time to visit overall, with rooms easier to find once school and work schedules pull the summer crowds away. The record: humidity 76 percent, 8.4 hours of sun, a 17 kph wind and AQI 46.
SunnierThanReputationSuggestsUpNorth · September · 1 month ago · Read more on Tripadvisor ↗
Regulars own the city's reputation rather than arguing with it - Hamburg is famous for bad weather - and then qualify it usefully: July normally runs 20 to 30C with an average high near 22C, warm and sunny is the expectation, and what breaks it is extended changeable spells with rain and afternoon or evening thunderstorms. Our row gives 23.1C over 13.1C with 87.3mm across 12.2 days, so rain falls on about two days in five. The compensation is light: 11.3 hours of sun inside 16.4 of daylight. The record: humidity 73 percent, a 17.4 kph wind and AQI 46.
FamousForItsBadWeather · July · 1 month ago · Read more on Tripadvisor ↗
Hamburg-forum threads on August describe pleasant, unremarkable weather: mild days, cool evenings, a light breeze off the Elbe that feels warm rather than blustery, and no strong winds to plan around. Rain is called a chance of a light shower or two rather than a defining feature of the month, good news for the riverside walks and park time regulars recommend. The record runs a touch wetter than the forum chat suggests, though still comfortably in the pleasant range: 23.6C days feeling like 24C, 13C nights, 60mm of rain across nearly twelve days, 10.6 hours of sun and an AQI of 46 - more days with at least some rain than the casual read implies, just rarely enough to spoil a plan.
ElbeRiverAugustRegular · August · 1 month ago · Read more on Tripadvisor ↗
Hamburg forum threads describe January as cold with very short days, typical temperatures in the low single digits Celsius, and posters flagging wind and rain as the normal conditions rather than snow, which was called genuinely rare here. The Reeperbahn area was described as noticeably quieter after New Year's Eve passes but still busy and lively through the rest of the month. Posters were consistent that while it's not the season for being outdoors much, Hamburg has plenty of indoor attractions to fall back on, and staying anywhere between the Hauptbahnhof and Landungsbrücken keeps most points of interest within easy walking distance regardless of the weather.
ReeperbahnRegular · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Hamburg's card on the map.

Hamburg climate normals — May

Daytime high19°C / 66°F😎 nice
Nighttime low8°C / 46°F
Feels like (high)17°C / 63°F
Rainfall53 mm / 2.1 in🌦 some rain
Rainy days9 days
Humidity70%💧 humid
Dew point8°C / 46°F
Sunshine11.2 h/day
Daylight15.9 h
Wind18 km/h / 11 mph
Air quality (US AQI)46🍃 good

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

Crowds in Hamburg 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 crowdsAscension and Whitsun, Hafengeburtstag, Whitsun/Pentecost holidays in Germany(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Hamburg'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).

Fair weatherHamburg's weather peaks June–August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Hamburg in May

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

  • Holiday

    Ascension and Whitsun

    14–25 MayNational holidayClosuresCrowded

    Ascension Day, a Thursday 39 days after Easter, and Whit Monday 11 days later are public holidays nationwide. Shops close on both, many people bridge them into long weekends, and trains, motorways and hotels in holiday areas get busy. Source ↗

  • Festival

    Hafengeburtstag

    8–10 MayMajor festivalCrowded

    The port's birthday over three days in May: tall ships up the Elbe, a tug ballet, and the whole city on the Landungsbruecken. It is the weekend Hamburg decides summer has started. Source ↗

  • Season

    Alster and pool season

    15 May – 10 Sep · usuallySummer season opens

    The outdoor pools open in May and the Alster banks fill with rowers, beer and barbecues. Everything here is planned for the fortnight of proper summer that may or may not arrive.

What's on around the world in May →

Nearby, and something's on

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

Where is Hamburg?

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Hamburg in May — FAQ

Is May a good time to visit Hamburg?
May in Hamburg: nice, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Hamburg on SeasonMap's comfort score (84/100).
What is the weather like in Hamburg in May?
In May, Hamburg averages a daily high of 18.7°C and a low of 7.6°C, with about 52.5 mm of rain over roughly 8.8 rainy days.
What is the air quality in Hamburg in May?
Hamburg has a mean US Air Quality Index of about 46 in May.

Within 300 km: Berlin's Karneval der Kulturen on 22–25 May, and Copenhagen's Tivoli summer season on 27 Mar – 20 Sep.