Altdorf Weather in May

May in Altdorf typically sees daytime highs of 13°C (55°F) and nighttime lows of 3°C (37°F). May falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Altdorf in May

Altdorf is in the rainy season in May, with rain on around 20 days and an average of 180 mm (7.1 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Altdorf in May

In May, expect moderate temperatures in Altdorf, with highs of 13°C (55°F) and lows of 3°C (37°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Altdorf in May

With about 156 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Wind Speed in Altdorf in May

Average wind conditions reach 2 m/s (4 knots) in May. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Altdorf. Our weather planner can help you explore destinations with more pleasant weather conditions.