August weather forecast
Altwies, Luxembourg

August

Weather in August

August, the last month of the summer in Altwies, is another pleasant month, with an average temperature fluctuating between 12.6°C (54.7°F) and 22.8°C (73°F).

Temperature

Altwies reaches its highest average temperatures in August, measuring 22.8°C (73°F) at the peak and 12.6°C (54.7°F) at the lowest.

Humidity

August is the least humid month in Altwies, with an average relative humidity of 76%.

Rainfall

In August, the rain falls for 16.6 days. Throughout August, 48mm (1.89") of precipitation is accumulated. Throughout the year, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Altwies.

Daylight

In Altwies, the average length of the day in August is 14h and 23min.
On the first day of the month, sunrise is at 06:06 and sunset at 21:15. On the last day of August, in Altwies, sunrise is at 06:50 and sunset at 20:20 CEST.

Sunshine

In Altwies, the average sunshine in August is 9.3h.

UV index

In Altwies, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 in August translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What is the hottest time of year in Altwies?
With an average high-temperature of 22.8°C (73°F) and an average low-temperature of 12.6°C (54.7°F), August is the warmest month.
What are August temperatures in Altwies?
Altwies in August has an average high-temperature of 22.8°C (73°F) and an average low-temperature of 12.6°C (54.7°F).
What is the least humid month in Altwies?
With an average relative humidity of 76%, August is the least humid month in Altwies.
What is the average humidity in August in Altwies?
In Altwies, Luxembourg, the average relative humidity in August is 76%.
How many days does it rain in August in Altwies?
In Altwies, Luxembourg, in August, during 16.6 rainfall days, 48mm (1.89") of precipitation is typically accumulated.
When it does not snow in Altwies?
In Altwies, Luxembourg, snow does not fall in June through September.
How many hours of daylight does Altwies have in August?
The average day length in August in Altwies, Luxembourg, is 14h and 23min.
When is the sunrise / sunset in August in Altwies?
On the first day of August in Altwies, sunrise is at 06:06 and sunset at 21:15. On the last day of the month, sunrise is at 06:50 and sunset at 20:20 CEST.
How many hours of sunshine does Altwies have in August?
In Altwies, the average sunshine duration in August is 9.3h.
What is the UV index reading in August in Altwies?
In Altwies, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Altwies, Luxembourg
  • Average high temperature in August: 22.8°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in August: 12.6°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure in August
Altwies, Luxembourg
  • Average pressure in August: 1016.1mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in August
Altwies, Luxembourg
  • Average wind speed in August: 9.8km/h

The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in August
Altwies, Luxembourg
  • Average humidity in August: 76%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall in August
Altwies, Luxembourg
  • Average rainfall in August: 48mm

The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).

Average rainfall days in August
Altwies, Luxembourg
  • Average rainfall days in August: 16.6 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).

Average snowfall in August
Altwies, Luxembourg
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August
Altwies, Luxembourg
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Altwies, Luxembourg
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in August
Altwies, Luxembourg
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).

Average UV index in August
Altwies, Luxembourg
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Altwies, Luxembourg
  • Average cloud cover in August: 38

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in August
Altwies, Luxembourg
  • Average visibility in August: 9km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).

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