May 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 May

May symbolises the beginning of a warm spell in Lucerne. Rainfall increases as the month progresses, hitting a significant 128mm (5.04") over about 12.9 days. The cityscape transforms under the rainfall, with greenery flourishing in its breadth and length. The daylight continues to stretch, bestowing an extended window to explore the city's highlights. The pleasant weather and the blossoming landscape make May an inviting time for nature lovers and photographers.

Temperature

Entering May, Lucerne notices a subtle temperature elevation, with the average high-temperature advancing from April's moderate 14.4°C (57.9°F) to an enjoyable 19.1°C (66.4°F). During the month of May, the nighttime temperature falls to an average of 8.9°C (48°F).

Humidity

In Lucerne, the average relative humidity in May is 72%.

Rainfall

In May, the rain falls for 12.9 days. Throughout May, 128mm (5.04") of precipitation is accumulated. Throughout the year, there are 132.2 rainfall days, and 1174mm (46.22") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Lucerne.

Daylight

In May, the average length of the day in Lucerne, Switzerland, is 15h and 5min.
On the first day of the month, sunrise is at 06:09 and sunset at 20:37. On the last day of May, sunrise is at 05:35 and sunset at 21:13 CEST.

Sunshine

In May, the average sunshine in Lucerne is 5.2h.

UV index

In Lucerne, Switzerland, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What is the usual temperature for Lucerne in May?

In May, the average high-temperature and low-temperature are 19.1°C (66.4°F) and 8.9°C (48°F) respectively.

What is the average humidity in May in Lucerne?

In Lucerne, Switzerland, the average relative humidity in May is 72%.

How many days does it rain in May in Lucerne?

In Lucerne, Switzerland, in May, it is raining for 12.9 days, with typically 128mm (5.04") of accumulated precipitation.

When it does not snow in Lucerne?

May through September are months without snowfall in Lucerne.

Does it snow in Lucerne in May?

In May, in Lucerne, it doesn't snow. April is the latest month when it typically snows.

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

In May, the average day length is 15h and 5min.

When are sunrise and sunset in May in Lucerne?

In May, on the first day of the month, sunrise is at 06:09 and sunset at 20:37. On the last day of the month, in Lucerne, Switzerland, sunrise is at 05:35 and sunset at 21:13 CEST.

How many hours of sunshine does Lucerne have in May?

The average sunshine duration in May in Lucerne, Switzerland, is 5.2h.

How high is the UV index in May in Lucerne?

In May, the average daily maximum UV index in Lucerne is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Lucerne, Switzerland

Average temperature in May - Lucerne, Switzerland
  • Average high temperature in May: 19.1°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 May: 8.9°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).

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Average humidity in May
Lucerne, Switzerland

Average humidity in May - Lucerne, Switzerland
  • Average humidity in May: 72%

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

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Average rainfall in May
Lucerne, Switzerland

Average rainfall in May - Lucerne, Switzerland
  • Average rainfall in May: 128mm

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

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Average rainfall days in May
Lucerne, Switzerland

Average rainfall days in May - Lucerne, Switzerland
  • Average rainfall days in May: 12.9 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).

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Average snowfall in May
Lucerne, Switzerland

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

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

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Average snowfall days in May
Lucerne, Switzerland

Average snowfall days in May - Lucerne, Switzerland
  • Average snowfall days in May: 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).

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

Average daylight in May / Average sunshine in May - Lucerne, Switzerland
  • Average daylight in May: 15h 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 May: 5h and 1min

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).

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Average UV index in May
Lucerne, Switzerland

Average UV index in May - Lucerne, Switzerland
  • Average UV index in May: 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).

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Lucerne, Switzerland

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