Weather in Hamburg in May

A good month. May is a solid month to be in Hamburg. Highs average 17.8 °C, lows 7.7 °C, and rain falls on 12 days — nothing in the month is working against you.

May ranks 4 of 12 in Hamburg: past the worst of the year but short of June, which is the month to book if the dates are open.

Rain on 12 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 17.8 °C days and 7.7 °C nights; the spread matters more here than any single number.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest May day reached 30.4 °C and the coldest night fell to -0.8 °C.

May is moderately variable: 10 mm in the driest year against 120 mm in the wettest, around an average of 58 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 10.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.

How May sits in the year

The month is on the way up: 3.9 °C warmer than April, and June adds another 2.9 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in May

15.9 hours of daylight, gaining 1.6 hours across the month. That is between Hamburg's extremes of 17 and 7.5 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 24.3 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

May in Hamburg versus nearby

If Hamburg is one option among several, the nearby comparison is worth making. Bielefeld is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Groningen is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: May is effectively as good as it gets here — 6 points behind June, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Hamburg

See all twelve months in Hamburg, or where else to go in May.