Grassau Weather in May

May in Grassau averages 18°C (64°F) during the day and 7°C (45°F) at night. May is part of the rainy season, with around 182 mm (7.2 in) of rainfall and frequent showers.

Rainfall in Grassau in May

As part of the rainy season, Grassau sees around 17 days of rain in May, with an average of 182 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Grassau in May

May in Grassau brings typical temperatures with highs around 18°C (64°F) and lows of 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Grassau in May

The area experiences a moderate amount of sunshine, with approximately 180 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

Should you favor a climate that's both dry and comfortably warm, August typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.