May weather forecast
Lausanne, Switzerland

May

Weather in May

May in Lausanne sustains the warming trend, with temperatures often reaching up to 15.9°C (60.6°F). The city embraces the full swing of spring with increased daylight hours and more sunshine. Rainfall sees an uptick during this month, contributing to the lush greenery of the region. The favorable weather during this time encourages outdoor activities and sightseeing around the beautiful city.

Temperature

The onset of May marks an average high-temperature of a still moderate 15.9°C (60.6°F), hardly differing from April's 13.2°C (55.8°F). In Lausanne, the expected average low-temperature for May is a chilly 6.8°C (44.2°F).

Humidity

The average relative humidity in May is 80%.

Rainfall

In Lausanne, in May, it is raining for 20 days, with typically 74mm (2.91") of accumulated precipitation. Throughout the year, in Lausanne, there are 185.5 rainfall days, and 834mm (32.83") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lausanne, Switzerland. May is the last month it regularly snows. During 0.3 snowfall days, in May, Lausanne aggregates 3mm (0.12") of snow. Throughout the year, in Lausanne, there are 40.1 snowfall days, and 721mm (28.39") of snow is accumulated.

Daylight

In Lausanne, the average length of the day in May is 15h and 1min.
On the first day of May in Lausanne, sunrise is at 06:18 and sunset at 20:42. On the last day of the month, sunrise is at 05:44 and sunset at 21:18 CEST.

Sunshine

In May, the average sunshine in Lausanne is 10h.

UV index

In Lausanne, Switzerland, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What are May temperatures in Lausanne?
May temperatures in Lausanne vary between a high-temperature of 15.9°C (60.6°F) and a low-temperature of 6.8°C (44.2°F).
What is the average humidity in May in Lausanne?
The average relative humidity in May in Lausanne, Switzerland, is 80%.
How much does it rain in Lausanne in May?
In Lausanne, Switzerland, in May, it is raining for 20 days, with typically 74mm (2.91") of accumulated precipitation.
What is the last month it snows in Lausanne?
May is the last month it regularly snows. During 0.3 snowfall days, in May, Lausanne aggregates 3mm (0.12") of snow.
How many hours of daylight does Lausanne have in May?
The average day length in May in Lausanne, Switzerland, is 15h and 1min.
When are sunrise and sunset in May in Lausanne?
On the first day of May, sunrise is at 06:18 and sunset at 20:42. On the last day of the month, sunrise is at 05:44 and sunset at 21:18 CEST.
How long on average sun shines in May in Lausanne?
The average sunshine duration in May in Lausanne is 10h.
What is the UV index reading in May in Lausanne?
In Lausanne, Switzerland, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 May
Lausanne, Switzerland
  • Average high temperature in May: 15.9°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).

  • Average low temperature in May: 6.8°C

The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).

Average pressure in May
Lausanne, Switzerland
  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in May
Lausanne, Switzerland
  • Average wind speed in May: 9.8km/h

The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).

Average humidity in May
Lausanne, Switzerland
  • Average humidity in May: 80%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
Lausanne, Switzerland
  • Average rainfall in May: 74mm

The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).

Average rainfall days in May
Lausanne, Switzerland
  • Average rainfall days in May: 20 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in May
Lausanne, Switzerland
  • Average snowfall in May: 3mm

The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Lausanne, Switzerland
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Lausanne, Switzerland
  • Average daylight in May: 15h and 0min

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 42min).

  • Average sunshine in May: 10h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in May
Lausanne, Switzerland
  • Average sunshine days in May: 8 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).

Average UV index in May
Lausanne, Switzerland
  • Average UV index in May: 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 May
Lausanne, Switzerland
  • Average cloud cover in May: 37

The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in May
Lausanne, Switzerland
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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