August weather forecast
Lucerne, Switzerland

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The city of Lucerne, Switzerland, with the river between and the distant scenic mountains
The city of Lucerne, Switzerland, with the river between and the distant scenic mountains

Weather in August

Weather in August in Lucerne mirrors that of the preceding month, with temperatures slightly dropping from the July peak. This month presents comfortable warmth and extended daylight hours to explore the Swiss city. During this period, locals and tourists venture outdoors to experience the multitude of summer-based events and festivals. Even though rainfall persists, the city's vibrant life is not hampered. August offers an agreeable balance of warmth, light, and rain, perfect for the would-be city explorer.

Temperature

As Lucerne steps into August, the average high-temperature is measured at a still moderately hot 23.8°C (74.8°F), displaying minor differences from July's 24.7°C (76.5°F). Throughout August, Lucerne witnesses a nighttime temperature average of 13.9°C (57°F).

Humidity

The average relative humidity in August in Lucerne is 75%.

Rainfall

In Lucerne, during August, the rain falls for 12.5 days and regularly aggregates up to 146mm (5.75") of precipitation. In Lucerne, during the entire year, the rain falls for 132.2 days and collects up to 1174mm (46.22") of precipitation.

Snowfall

In Lucerne, snow does not fall in May through September.

Daylight

In August, the average length of the day in Lucerne is 14h and 11min.
On the first day of the month, sunrise is at 06:06 and sunset at 20:59. On the last day of August, in Lucerne, sunrise is at 06:45 and sunset at 20:08 CEST.

Sunshine

The average sunshine in August is 6h.

UV index

In August, the average daily maximum UV index in Lucerne is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 7 during August translates into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What are the temperatures in Lucerne in August?

August temperatures in Lucerne, Switzerland, vary between a high-temperature of 23.8°C (74.8°F) and a low-temperature of 13.9°C (57°F).

What is the average humidity in August in Lucerne?

In Lucerne, Switzerland, the average relative humidity in August is 75%.

How many days does it rain in August in Lucerne?

In Lucerne, Switzerland, in August, it is raining for 12.5 days, with typically 146mm (5.75") of accumulated precipitation.

When it does not snow in Lucerne?

In Lucerne, Switzerland, snow does not fall in May through September.

What is the average length of the day in August in Lucerne?

The average day length in August in Lucerne is 14h and 11min.

When is the sunrise / sunset in August in Lucerne?

On the first day of August in Lucerne, sunrise is at 06:06 and sunset at 20:59. On the last day of the month, sunrise is at 06:45 and sunset at 20:08 CEST.

How many hours of sunshine does Lucerne have in August?

In Lucerne, Switzerland, the average sunshine duration in August is 6h.

What is the UV index reading in August in Lucerne?

The average daily maximum UV index in August in Lucerne is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Lucerne, Switzerland

Average temperature in August - Lucerne, Switzerland
  • Average high temperature in August: 23.8°C

The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in August: 13.9°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average humidity in August
Lucerne, Switzerland

Average humidity in August - Lucerne, Switzerland
  • Average humidity in August: 75%

The months with the highest relative humidity are November and December (84%).
The month with the lowest relative humidity is April (70%).

Average rainfall in August
Lucerne, Switzerland

Average rainfall in August - Lucerne, Switzerland
  • Average rainfall in August: 146mm

The wettest month (with the highest rainfall) is June (154mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in August
Lucerne, Switzerland

Average rainfall days in August - Lucerne, Switzerland
  • Average rainfall days in August: 12.5 days

The month with the highest number of rainy days is June (13.5 days).
The month with the least rainy days is February (8.7 days).

Average snowfall in August
Lucerne, Switzerland

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

The month with the highest snowfall is February (202mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in August
Lucerne, Switzerland

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

The month with the highest number of snowfall days is December (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Lucerne, Switzerland

Average daylight in August / Average sunshine in August - Lucerne, 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: 6h and 0min

The month with the most sunshine is July (Average sunshine: 6h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average UV index in August
Lucerne, Switzerland

Average UV index in August - Lucerne, Switzerland
  • Average UV index in August: 7

The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

Lucerne, Switzerland

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