Climate of Hamburg, Germany

Cfb

Köppen-Geiger climate classification: Cfb — Temperate, no dry season, warm summer.

Hamburg has a mean annual temperature of 9.9 °C and receives 770 mm of precipitation per year (1991–2020 climate normals). The warmest month is July with a mean temperature of 18.6 °C, while January is the coldest month at 2.1 °C. Most precipitation falls in July (82 mm); the driest month is April (42 mm).

Climate Diagram

Climate diagram for Hamburg: monthly mean temperature (red line, left axis, °C) and monthly precipitation (blue bars, right axis, mm), 1991–2020 0 0 10 20 20 40 30 60 40 80 50 100 °C mm J F M A M J J A S O N D

Walter–Lieth diagram: blue bars show monthly precipitation (right axis, mm), the red line shows monthly mean temperature (left axis, °C). Scale: 1 °C ≡ 2 mm.

Climate Table

MonthMean temperature (°C)Precipitation (mm)
January2.166.8
February2.553.6
March5.056.6
April9.241.8
May13.357.1
June16.473.2
July18.681.5
August18.477.9
September14.763.6
October10.262.7
November5.962.5
December3.172.6
Year9.9769.9

Live Forecast

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Data Source

Climate normals and Köppen-Geiger classification: Beck et al. (2023), Scientific Data 10, 724, CC BY 4.0. Period 1991–2020. Classification resolution ≈ 1 km; monthly climate data resolution ≈ 1 km (0.01°, Original 2023 release; predates the January 2026 correction), sampled at the grid cell containing the city coordinates (53.55°, 9.99°). Climate normals describe the long-term average, not current weather.