Hamburg, Germany Weather: A Complete Climate Guide
Hamburg enjoys a temperate oceanic climate (Cfb)—mild winters, cool summers, and consistent precipitation year-round, moderated by the North Sea and Atlantic westerlies.
Seasonal Overview
- Spring (Mar–May): Gradual warming (9→17°C highs), increasing sunshine, frequent showers.
- Summer (Jun–Aug): Pleasant (21–24°C highs), long days (17+ hrs), occasional heat spikes >30°C. Wettest season by volume.
- Autumn (Sep–Nov): Cooling (19→9°C), colorful foliage, rising rain, shortening days.
- Winter (Dec–Feb): Cold, damp, dark (3–5°C highs, -1→1°C lows). Snow occurs but rarely persists. December/January are cloudiest.
Key Statistics (Averages)
| Month | Avg High (°C) | Avg Low (°C) |
|---|
| Jan | 3 | -1 |
| Feb | 5 | 0 |
| Mar | 9 | 2 |
| Apr | 13 | 5 |
| May | 17 | 8 |
| Jun | 21 | 11 |
| Jul | 24 | 13 |
| Aug | 23 | 13 |
| Sep | 19 | 10 |
| Oct | 14 | 7 |
| Nov | 9 | 4 |
| Dec | 5 | 1 |
Precipitation & Sun
- Annual rainfall: 864 mm (wettest: Dec/Jan; driest: Apr)
- Annual sunshine: ~1,750 hours (sunniest: Jun/Jul)
- Prevailing winds: West/northwest, avg 5 m/s
Climate Change Impacts
Hamburg faces rising temperatures, more intense rainfall events, and sea-level rise threatening its port and low-lying districts. The city invests heavily in flood defense (e.g., HafenCity's elevated design) and climate adaptation.
Wanderlust World