Weather in Hamburg
Hamburg has a maritime temperate climate.
Spring (March to May) start off cold with an average temperatures of 4°C (39°F), reaching to a comfortable 12°C (54°F) by May when the city celebrates Port Anniversary (Hafengeburtstag Hamburg) along the banks of River Elbe. This is a fantastic time to visit Hamburg.
Summer (June to August) is warm, which consequently marks the main tourist season. August is the warmest month with average high temperatures reaching 22°C (72°F). August is also the best month to go swimming in the ocean.
Autumn (September to November) is pleasant. In October, the average temperature is 10°C (50°F) and it has about 10 rainy days.
Winter (December to February) is cold in Hamburg, although it is getting milder due to global warming. Christmas is a picturesque and atmospheric time in the city; the average temperature is 2°C (36°F) in December and sometimes you can skate on the city's frozen lakes. January is usually the coldest month.