May weather forecast
Bannwil, Switzerland

May

Weather in May

May, the last month of the spring in Bannwil, is an enjoyable month, with an average temperature ranging between max 17.3°C (63.1°F) and min 5.8°C (42.4°F).

Temperature

The start of May signals a slight increase in the average high-temperature, moving from a moderate 14.3°C (57.7°F) in April to an enjoyable 17.3°C (63.1°F). An average minimum temperature of 5.8°C (42.4°F) is recorded during the month of May.

Humidity

In May, the average relative humidity in Bannwil is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 22.4 days and typically aggregates up to 106mm (4.17") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Bannwil. During 0.4 snowfall days, in May, Bannwil aggregates 11mm (0.43") of snow. In Bannwil, during the entire year, snow falls for 39.9 days and aggregates up to 652mm (25.67") of snow.

Daylight

The average length of the day in May is 15h and 6min.
On the first day of the month, sunrise is at 06:11 and sunset at 20:40. On the last day of May, in Bannwil, sunrise is at 05:37 and sunset at 21:16 CEST.

Sunshine

In May, the average sunshine in Bannwil, Switzerland, is 9.1h.

UV index

In Bannwil, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What are May temperatures in Bannwil?
An average high-temperature, in May, in Bannwil, is 17.3°C (63.1°F) and the average low-temperature is 5.8°C (42.4°F).
What is the average humidity in May in Bannwil?
The average relative humidity in May in Bannwil is 81%.
What is the wettest month in Bannwil?
The month with the most rainfall in Bannwil is May, when the rain falls for 22.4 days and typically aggregates up to 106mm (4.17") of precipitation.
How much does it rain in Bannwil in May?
In Bannwil, during May, the rain falls for 22.4 days and regularly aggregates up to 106mm (4.17") of precipitation.
What is the last month it snows in Bannwil?
May is the last month it regularly snows in Bannwil, Switzerland. During 0.4 snowfall days, in May, Bannwil aggregates 11mm (0.43") of snow.
What is the average length of the day in May in Bannwil?
In Bannwil, the average day length in May is 15h and 6min.
When is the sunrise / sunset in May in Bannwil?
On the first day of May in Bannwil, Switzerland, sunrise is at 06:11 and sunset at 20:40. On the last day of the month, sunrise is at 05:37 and sunset at 21:16 CEST.
How many hours of sunshine does Bannwil have in May?
In May, the average sunshine duration in Bannwil, Switzerland, is 9.1h.
What is the UV index intensity in May in Bannwil?
In May, the average daily maximum UV index in Bannwil, Switzerland, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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 - Bannwil, Switzerland
Average temperature in May
Bannwil, Switzerland
  • Average high temperature in May: 17.3°C

The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in May: 5.8°C

The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in May - Bannwil, Switzerland
Average pressure in May
Bannwil, Switzerland
  • Average pressure in May: 1016.3mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in May - Bannwil, Switzerland
Average wind speed in May
Bannwil, Switzerland
  • Average wind speed in May: 7.6km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in May - Bannwil, Switzerland
Average humidity in May
Bannwil, Switzerland
  • Average humidity in May: 81%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in May - Bannwil, Switzerland
Average rainfall in May
Bannwil, Switzerland
  • Average rainfall in May: 106mm

The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).

Average rainfall days in May - Bannwil, Switzerland
Average rainfall days in May
Bannwil, Switzerland
  • Average rainfall days in May: 22.4 days

The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in May - Bannwil, Switzerland
Average snowfall in May
Bannwil, Switzerland
  • Average snowfall in May: 11mm

The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Bannwil, Switzerland
Average snowfall days in May
Bannwil, Switzerland
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Bannwil, Switzerland
Average daylight in May /
Average sunshine in May
Bannwil, 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 36min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in May - Bannwil, Switzerland
Average sunshine days in May
Bannwil, Switzerland
  • Average sunshine days in May: 6.6 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).

Average UV index in May - Bannwil, Switzerland
Average UV index in May
Bannwil, 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, October, November and December (UV index 2).

Average cloud cover in May - Bannwil, Switzerland
Average cloud cover in May
Bannwil, Switzerland
  • Average cloud cover in May: 44

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May - Bannwil, Switzerland
Average visibility in May
Bannwil, 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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