Mäntyharju

What is the climate like in Mäntyharju?

The best time to visit Mäntyharju is typically May – June, with trip comfort peaking in June (6.8/10). Mäntyharju is warmest in July, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 17°F (-9°C). The wettest month is typically July and the driest is March; the year sees roughly 30 in (751 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 17°F (-9°C)
• Wettest monthJuly (3.9 in (98 mm))
• Driest monthMarch (1.7 in (43 mm))
• Annual precipitation30 in (751 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromMikkeli Lentoasema, 35 km away (1959-2026)