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.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Altdorf's climate page.

Altdorf Temperature in August

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 63%  

Precipitation 231 mm (9.1 in)  

Rainy days 19 days  

Humidity 76%  

Windspeed 2 m/s (4 knots)  

Sunshine 158 hours  

Percentage Sunshine 52%  

What to Wear in Altdorf in August

Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Altdorf in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Altdorf's climate page.

More climate data for Altdorf

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Altdorf climate overview or explore weather in Switzerland.