Climate almanac
Mariehamn
Mariehamn, AX · 60.10°, 19.93°
What is the climate like in Mariehamn?
The best time to visit Mariehamn is typically June – September, with trip comfort peaking in July (7.3/10). Mariehamn is warmest in August, when daily highs average 64°F (18°C), and coolest in February, when lows fall to about 31°F (-1°C). The wettest month is typically October and the driest is May; the year sees roughly 24 in of precipitation.
- Best time to visitJune – September — comfort peaks in July (7.3/10)
- Warmest monthAugust — average high 64°F (18°C)
- Coolest monthFebruary — average low 31°F (-1°C)
- Wettest monthOctober (3.2 in)
- Driest monthMay (1.2 in)
- Annual precipitation24 in