May weather forecastTwann, Switzerland

May

Weather in May

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

Temperature

Twann's entry into May measures an average high-temperature of a comfortable 16.8°C (62.2°F), closely parallel to the preceding month. During May, Twann records a consistent average nighttime temperature of 6°C (42.8°F).

Humidity

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

Rainfall

In Twann, Switzerland, during May, the rain falls for 21.9 days and regularly aggregates up to 92mm (3.62") of precipitation. In Twann, during the entire year, the rain falls for 195.6 days and collects up to 870mm (34.25") of precipitation.

Snowfall

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

Daylight

In Twann, the average length of the day in May is 15h and 5min.
On the first day of May, sunrise is at 06:14 and sunset at 20:42. On the last day of the month, sunrise is at 05:39 and sunset at 21:18 CEST.

Sunshine

The average sunshine in May in Twann is 9h.

UV index

The average daily maximum UV index in May in Twann is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

Twann in May has an average high-temperature of 16.8°C (62.2°F) and an average low-temperature of 6°C (42.8°F).

The average relative humidity in May in Twann, Switzerland, is 81%.

In Twann, in May, during 21.9 rainfall days, 92mm (3.62") of precipitation is typically accumulated.

May is the last month it regularly snows in Twann, Switzerland. During 0.3 snowfall days, in May, Twann aggregates 5mm (0.2") of snow.

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

In May, on the first day of the month, sunrise is at 06:14 and sunset at 20:42. On the last day of the month, sunrise is at 05:39 and sunset at 21:18 CEST.

The average sunshine duration in May in Twann, Switzerland, is 9h.

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Twann, 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
Twann, 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
Twann, 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
Twann, 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
Twann, 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
Twann, 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
Twann, 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
Twann, 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
Twann, Switzerland

  • Average daylight in May: 15h and 6min

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: 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
Twann, 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
Twann, 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
Twann, 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
Twann, 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).