Iserlohn Weather in May

May in Iserlohn typically sees daytime highs of 19°C (66°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Iserlohn in May

Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 81 mm (3.2 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Iserlohn in May

In May, Iserlohn sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Iserlohn in May

The days are predominantly sunny, with an estimated total of around 236 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

For Iserlohn itself, June and August generally stand out with 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.