Jämsä

What is the climate like in Jämsä?

The best time to visit Jämsä is typically June, the year's most comfortable month (6.7/10). Jämsä is warmest in July, when daily highs average 71°F (21°C), and coolest in January, when lows fall to about 17°F (-8°C). The wettest month is typically August and the driest is March; the year sees roughly 30 in (758 mm) of precipitation.

• Best time to visitJune — the year's comfort peak (6.7/10)
• Warmest monthJuly — average high 71°F (21°C)
• Coolest monthJanuary — average low 17°F (-8°C)
• Wettest monthAugust (3.8 in (96 mm))
• Driest monthMarch (1.6 in (41 mm))
• Annual precipitation30 in (758 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromJamsa Halli Lentokentta, 21 km away (1964-2026)