Altdorf Weather in August

Thinking of visiting Altdorf in August? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 9°C (48°F) at night, and be prepared for the wettest month of the year.

Rainfall in Altdorf in August

Altdorf is in the rainy season in August, with rain on around 19 days and an average of 231 mm (9.1 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Altdorf in August

August in Altdorf sees highs of 19°C (66°F) and lows of 9°C (48°F) overnight. The month of August belongs to the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Altdorf in August

The area enjoys a balanced 158 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Altdorf in August

August sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

August in Altdorf has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.