Historical Weather in Hamburg, Germany
See 55+ years of weather history for any date in Hamburg going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Hamburg, Germany, based on 55+ years of weather data.
Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.
Hamburg Weather by Month
The coldest January reading, -17°C (1°F) on January 14, 1987, has not been matched in 39 years.
February in Hamburg has become 1.3°C (2.4°F) warmer on average: the 2012–2026 average against 1970–1989.
6 of the 10 warmest Marches on record in Hamburg have come since 2012.
The April heat record, 29°C (83°F) on April 22, 1996, has stood for 30 years.
May is the least predictable month in Hamburg: daytime highs vary more from day to day and year to year than in any other month.
Hamburg's hottest June day on record is a recent one: 39°C (102°F) on June 27, 2026.
The coldest July reading, 7°C (44°F) on July 19, 1996, has not been matched in 30 years.
A typical August brings 1.8 days above 30°C (86°F).
The warmest September in the record was 1999; the coldest was 1996.
On average, 0.8 nights in October drop below freezing.
On average, 5.5 nights in November drop below freezing.
The coldest December reading, -15°C (4°F) on December 31, 1978, has not been matched in 48 years.
Source: NOAA GHCN-Daily, Hamburg-Sankt Pauli (1971–2000); Hamburg Fuhlsbuettel (1996–2026). Records through 2026.