Weather in Hamburg

On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August. Hamburg is in Germany at 53.6°N. The 2001–2020 NASA POWER daily record describes a mild oceanic climate.

July is the warmest month (average 17.9°C, high 22.5°C) and January is the coolest (average 0.6°C, low -1.7°C). Rain is about 753 mm of rain spread through the year. The wettest month is July at 84 mm; the driest is April at 40 mm.

When Hamburg gets wet

Annual rainfall is 753 mm. July leads at 84 mm; April is lightest at 40 mm.

Humidity peaks near 95%. That usually lines up with the wetter months rather than the hottest ones.

Hot and cool months in Hamburg

The heat peaks in July, when the typical afternoon is 22.5°C. The opposite pole is January, when mornings average -1.7°C.

Across the year the mean afternoon high is 13.1°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 13.3°C.

What stands out month by month

The year bottoms out in January. Plan for -1.7°C at night and 2.9°C in the afternoon. March brings 50 mm and 11 rainy days; temperatures run from 0.3°C to 8.3°C. April is the driest month, averaging only 40 mm across 10 rainy days. Highs sit near 13.7°C. May: 17.6°C high, 7.5°C low, 58 mm rain, 77% humidity. July is both the hottest and wettest month: highs around 22.5°C, 84 mm of rain, and 78% humidity.

September: 18.9°C high, 10.1°C low, 58 mm rain, 82% humidity. October brings 63 mm and 13 rainy days; temperatures run from 6.4°C to 13.7°C. November stands apart from the months beside it: 7.9°C / 2.9°C and 63 mm. December: 3.9°C high, 0.0°C low, 71 mm rain, 95% humidity.

When the score favours a visit

The three months with the highest comfort score are June, July, and August: June (15.7°C average, 70 mm, 77% humidity); July (17.9°C average, 84 mm, 78% humidity); August (17.8°C average, 71 mm, 79% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you prefer the hottest stretch, that is July. The coolest stretch is January.

Hamburg and other cities in Germany

Berlin is about 255 km away: Hamburg is 2.4°C cooler than Berlin in its hottest month and 149 mm wetter over the year than Berlin. Berlin’s wettest month is July (81 mm) versus July here.

Munich is about 612 km away: Hamburg is about as warm as Munich at the hot peak and 380 mm drier over the year than Munich. Munich’s wettest month is June (143 mm) versus July here.