Iisalmi Weather in May

May in Iisalmi averages 15°C (59°F) during the day and 4°C (39°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.

Rainfall in Iisalmi in May

You can expect rain on around 13 days based on historical patterns, with 62 mm (2.4 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Iisalmi in May

If you're visiting Iisalmi in May, expect highs of 15°C (59°F) and overnight lows around 4°C (39°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If you prefer dry days with pleasant temperatures, June and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.