Hanko

What is the climate like in Hanko?

The best time to visit Hanko is typically June – July, with trip comfort peaking in July (7.1/10). Hanko is warmest in August, when daily highs average 65°F (18°C), and coolest in February, when lows fall to about 29°F (-2°C). The wettest month is typically October and the driest is May; the year sees roughly 30 in (754 mm) of precipitation.

• Best time to visitJune – July — comfort peaks in July (7.1/10)
• Warmest monthAugust — average high 65°F (18°C)
• Coolest monthFebruary — average low 29°F (-2°C)
• Wettest monthOctober (3.9 in (98 mm))
• Driest monthMay (1.1 in (29 mm))
• Annual precipitation30 in (754 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHanko Russaro, 7 km away (1959-2026)