May weather forecastSumiswald, Switzerland

May

Weather in May

The last month of the spring, May, is a refreshing month in Sumiswald, Switzerland, with an average temperature varying between 5.4°C (41.7°F) and 16.3°C (61.3°F).

Temperature

Sumiswald starts May with an average high-temperature of an enjoyable 16.3°C (61.3°F), hinting at a minimal fluctuation from April. Sumiswald registers a consistent average low-temperature of 5.4°C (41.7°F) during May.

Humidity

In Sumiswald, the average relative humidity in May is 80%.

Rainfall

In Sumiswald, in May, during 20.1 rainfall days, 96mm (3.78") of precipitation is typically accumulated. In Sumiswald, during the entire year, the rain falls for 158.6 days and collects up to 789mm (31.06") of precipitation.

Snowfall

Months with snowfall in Sumiswald are January through May, October through December. May is the last month it regularly snows in Sumiswald, Switzerland. During 1.1 snowfall days, in May, Sumiswald aggregates 29mm (1.14") of snow. In Sumiswald, during the entire year, snow falls for 59.1 days and aggregates up to 1284mm (50.55") of snow.

Daylight

In May, the average length of the day in Sumiswald is 15h and 5min.
On the first day of the month, sunrise is at 06:12 and sunset at 20:39. On the last day of May, in Sumiswald, sunrise is at 05:37 and sunset at 21:15 CEST.

Sunshine

In May, the average sunshine is 9h.

UV index

In May, the average daily maximum UV index in Sumiswald is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during May leads to these instructions:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

During May, Sumiswald experiences an average high-temperature of 16.3°C (61.3°F) and a low-temperature of 5.4°C (41.7°F).

In Sumiswald, the average relative humidity in May is 80%.

In Sumiswald, in May, during 20.1 rainfall days, 96mm (3.78") of precipitation is typically accumulated.

May is the last month it regularly snows in Sumiswald. During 1.1 snowfall days, in May, Sumiswald aggregates 29mm (1.14") of snow.

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

In May, on the first day of the month, sunrise is at 06:12 and sunset at 20:39. On the last day of the month, in Sumiswald, sunrise is at 05:37 and sunset at 21:15 CEST.

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

In Sumiswald, 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 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Sumiswald, Switzerland

  • Average high temperature in May: 16.3°C

The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in May: 5.4°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in May
Sumiswald, Switzerland

  • Average pressure in May: 1016.2mbar

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
Sumiswald, Switzerland

  • Average wind speed in May: 7.5km/h

The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).

Average humidity in May
Sumiswald, Switzerland

  • Average humidity in May: 80%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (77%).

Average rainfall in May
Sumiswald, Switzerland

  • Average rainfall in May: 96mm

The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is September (37mm).

Average rainfall days in May
Sumiswald, Switzerland

  • Average rainfall days in May: 20.1 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in May
Sumiswald, Switzerland

  • Average snowfall in May: 29mm

The month with the highest snowfall is January (269mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Sumiswald, Switzerland

  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Sumiswald, 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 January (Average sunshine: 5h and 6min).

Average sunshine days in May
Sumiswald, Switzerland

  • Average sunshine days in May: 9 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in May
Sumiswald, 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
Sumiswald, Switzerland

  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Sumiswald, Switzerland

  • Average visibility in May: 8km

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