Länsi-Herttoniemi

What is the climate like in Länsi-Herttoniemi?

The best time to visit Länsi-Herttoniemi is typically May – June, with trip comfort peaking in June (6.8/10). Länsi-Herttoniemi is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically July and the driest is March; the year sees roughly 31 in (792 mm) of precipitation.

• Best time to visitMay – June — comfort peaks in June (6.8/10)
• Warmest monthJuly — average high 71°F (22°C)
• Coolest monthJanuary — average low 21°F (-6°C)
• Wettest monthJuly (3.7 in (94 mm))
• Driest monthMarch (1.7 in (42 mm))
• Annual precipitation31 in (792 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromHelsinki Kaisaniemi Aws, 7 km away (1951-2026)