Sønderborg

What is the climate like in Sønderborg?

The best time to visit Sønderborg is typically June – September, with trip comfort peaking in August (6.9/10). Sønderborg is warmest in August, when daily highs average 70°F (21°C), and coolest in January, when lows fall to about 34°F (1°C). The wettest month is typically October and the driest is March; the year sees roughly 29 in (742 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in August (6.9/10)
• Warmest monthAugust — average high 70°F (21°C)
• Coolest monthJanuary — average low 34°F (1°C)
• Wettest monthOctober (3.0 in (77 mm))
• Driest monthMarch (1.8 in (46 mm))
• Annual precipitation29 in (742 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWagersrott, 27 km away (1974-2022)