Raseborg

What is the climate like in Raseborg?

The best time to visit Raseborg is typically May – July, with trip comfort peaking in June (7.2/10). Raseborg is warmest in July, when daily highs average 70°F (21°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically August and the driest is May; the year sees roughly 28 in (716 mm) of precipitation.

• Best time to visitMay – July — comfort peaks in June (7.2/10)
• Warmest monthJuly — average high 70°F (21°C)
• Coolest monthJanuary — average low 23°F (-5°C)
• Wettest monthAugust (3.5 in (88 mm))
• Driest monthMay (1.4 in (34 mm))
• Annual precipitation28 in (716 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHanko Tvarminne, 18 km away (1963-2026)