Sastamala

What is the climate like in Sastamala?

The best time to visit Sastamala is typically May – June, with trip comfort peaking in June (6.8/10). Sastamala is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically August and the driest is March; the year sees roughly 29 in (739 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 20°F (-7°C)
• Wettest monthAugust (3.9 in (99 mm))
• Driest monthMarch (1.6 in (41 mm))
• Annual precipitation29 in (739 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKokemaki Tulkkila, 32 km away (2010-2026)