May weather forecast
Delémont, Switzerland

May

Weather in May

The last month of the spring, May, is a refreshing month in Delémont, Switzerland, with an average temperature ranging between max 16.8°C (62.2°F) and min 6°C (42.8°F).

Temperature

Delémont transitions into May recording an average high-temperature of an enjoyable 16.8°C (62.2°F), closely aligning with the preceding month's temperature. In the month of May, Delémont's average low-temperature falls to a frosty 6°C (42.8°F).

Humidity

The average relative humidity in May in Delémont is 81%.

Rainfall

In Delémont, during May, the rain falls for 21.9 days and regularly aggregates up to 92mm (3.62") of precipitation. Throughout the year, in Delémont, there are 195.6 rainfall days, and 870mm (34.25") of precipitation is accumulated.

Snowfall

Months with snowfall in Delémont are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Delémont aggregates 5mm (0.2") of snow. In Delémont, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.

Daylight

In May, the average length of the day is 15h and 7min.
On the first day of May in Delémont, Switzerland, sunrise is at 06:13 and sunset at 20:42. On the last day of the month, sunrise is at 05:38 and sunset at 21:18 CEST.

Sunshine

In Delémont, the average sunshine in May is 9h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during May translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

What is the usual temperature for Delémont in May?
In Delémont, 16.8°C (62.2°F) is the average high-temperature and 6°C (42.8°F) is the average low-temperature during May.
What is the average humidity in May in Delémont?
In May, the average relative humidity is 81%.
How many days does it rain in May in Delémont?
In May, in Delémont, the rain falls for 21.9 days. Throughout May, 92mm (3.62") of precipitation is accumulated.
What is the last month it snows in Delémont?
May is the last month it regularly snows in Delémont. During 0.3 snowfall days, in May, Delémont aggregates 5mm (0.2") of snow.
What is the average length of the day in May in Delémont?
In Delémont, the average day length in May is 15h and 7min.
When is the sunrise / sunset in May in Delémont?
In May, on the first day of the month, sunrise is at 06:13 and sunset at 20:42. On the last day of the month, in Delémont, Switzerland, sunrise is at 05:38 and sunset at 21:18 CEST.
How long on average sun shines in May in Delémont?
The average sunshine duration in May is 9h.
What is the UV index intensity in May in Delémont?
In Delémont, Switzerland, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Delémont, Switzerland
  • Average high temperature in May: 16.8°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in May: 6°C

The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).

Average pressure in May
Delémont, Switzerland
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in May
Delémont, Switzerland
  • Average wind speed in May: 8.4km/h

The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).

Average humidity in May
Delémont, Switzerland
  • Average humidity in May: 81%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).

Average rainfall in May
Delémont, Switzerland
  • Average rainfall in May: 92mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).

Average rainfall days in May
Delémont, Switzerland
  • Average rainfall days in May: 21.9 days

The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).

Average snowfall in May
Delémont, Switzerland
  • Average snowfall in May: 5mm

The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Delémont, Switzerland
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in May
Delémont, Switzerland
  • Average sunshine days in May: 6.7 days

The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).

Average UV index in May
Delémont, 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
Delémont, Switzerland
  • Average cloud cover in May: 44

The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Delémont, Switzerland
  • Average visibility in May: 8km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).

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