August weather forecast
Altdorf, Switzerland

August

Weather in August

August, the last month of the summer in Altdorf, is also an enjoyable month, with an average temperature varying between 8.8°C (47.8°F) and 18.8°C (65.8°F).

Temperature

Altdorf's August weather reaches an average high of 18.8°C (65.8°F) and an average low of 8.8°C (47.8°F), making it the warmest month.

Humidity

July and August, with an average relative humidity of 80%, are the least humid months.

Rainfall

August is the month with the most rainfall. Rain falls for 22.8 days and accumulates 166mm (6.54") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Altdorf is 14h and 10min.
On the first day of the month, sunrise is at 06:05 and sunset at 20:57. On the last day of August, in Altdorf, sunrise is at 06:44 and sunset at 20:06 CEST.

Sunshine

In August, the average sunshine in Altdorf is 9.8h.

UV index

In Altdorf, the average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

What is the hottest time of year in Altdorf?
Temperature readings reach their annual highs in August, averaging 18.8°C (65.8°F) and a minimum average of 8.8°C (47.8°F).
What is the average August temperature in Altdorf?
The high-temperature in Altdorf, Switzerland, during August is 18.8°C (65.8°F) and the low-temperature is 8.8°C (47.8°F).
What is the least humid month in Altdorf?
July and August, with an average relative humidity of 80%, are the least humid months in Altdorf, Switzerland.
What is the average humidity in August in Altdorf?
The average relative humidity in August in Altdorf, Switzerland, is 80%.
What is the wettest month in Altdorf?
The month with the most rainfall is August, when the rain falls for 22.8 days and typically aggregates up to 166mm (6.54") of precipitation.
How many days does it rain in August in Altdorf?
In Altdorf, Switzerland, in August, during 22.8 rainfall days, 166mm (6.54") of precipitation is typically accumulated.
When it does not snow in Altdorf?
In Altdorf, snow does not fall in June through September.
What is the average length of the day in August in Altdorf?
In Altdorf, the average day length in August is 14h and 10min.
What time are sunrise and sunset in August in Altdorf?
In August, on the first day of the month, sunrise is at 06:05 and sunset at 20:57. On the last day of the month, in Altdorf, sunrise is at 06:44 and sunset at 20:06 CEST.
How long on average sun shines in August in Altdorf?
In August, the average sunshine duration is 9.8h.
What is the UV index reading in August in Altdorf?
In Altdorf, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Altdorf, Switzerland
Average temperature in August
Altdorf, Switzerland
  • Average high temperature in August: 18.8°C

The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in August: 8.8°C

The month with the highest average low temperature is August (8.8°C).
The coldest month (with the lowest average low temperature) is February (-8°C).

Average pressure in August - Altdorf, Switzerland
Average pressure in August
Altdorf, Switzerland
  • Average pressure in August: 1017.7mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in August - Altdorf, Switzerland
Average wind speed in August
Altdorf, Switzerland
  • Average wind speed in August: 5.7km/h

The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).

Average humidity in August - Altdorf, Switzerland
Average humidity in August
Altdorf, Switzerland
  • Average humidity in August: 80%

The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (80%).

Average rainfall in August - Altdorf, Switzerland
Average rainfall in August
Altdorf, Switzerland
  • Average rainfall in August: 166mm

The wettest month (with the highest rainfall) is August (166mm).
The driest month (with the least rainfall) is February (70mm).

Average rainfall days in August - Altdorf, Switzerland
Average rainfall days in August
Altdorf, Switzerland
  • Average rainfall days in August: 22.8 days

The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in August - Altdorf, Switzerland
Average snowfall in August
Altdorf, Switzerland
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (232mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - Altdorf, Switzerland
Average snowfall days in August
Altdorf, Switzerland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Altdorf, Switzerland
Average daylight in August /
Average sunshine in August
Altdorf, Switzerland
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in August - Altdorf, Switzerland
Average sunshine days in August
Altdorf, Switzerland
  • Average sunshine days in August: 5.4 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (4.4 days).

Average UV index in August - Altdorf, Switzerland
Average UV index in August
Altdorf, Switzerland
  • Average UV index in August: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in August - Altdorf, Switzerland
Average cloud cover in August
Altdorf, Switzerland
  • Average cloud cover in August: 37

The months with the most cloud cover are February, March and May (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).

Average visibility in August - Altdorf, Switzerland
Average visibility in August
Altdorf, Switzerland
  • Average visibility in August: 8km

The months with the highest visibility are April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March and September (7km).

englishespañol中文
Share