Kouvola

What is the climate like in Kouvola?

The best time to visit Kouvola is typically May – July, with trip comfort peaking in June (6.9/10). Kouvola is warmest in July, when daily highs average 72°F (22°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically July and the driest is March; the year sees roughly 29 in (739 mm) of precipitation.

• Best time to visitMay – July — comfort peaks in June (6.9/10)
• Warmest monthJuly — average high 72°F (22°C)
• Coolest monthJanuary — average low 18°F (-8°C)
• Wettest monthJuly (3.3 in (84 mm))
• Driest monthMarch (1.7 in (43 mm))
• Annual precipitation29 in (739 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKouvola Utti Lentoportintie, 14 km away (1959-2026)