May weather forecast
Sillian, Austria

May

Weather in May

The last month of the spring, May, is a frosty month in Sillian, Austria, with temperature in the range of an average high of 9.5°C (49.1°F) and an average low of 0.3°C (32.5°F).

Temperature

The start of May brings a subtle rise in the average high-temperature, moving from a cold 5.1°C (41.2°F) in April to a chilly 9.5°C (49.1°F). Throughout May, Sillian encounters an average temperature drop to an icy 0.3°C (32.5°F).

Humidity

In May, the average relative humidity is 88%.

Rainfall

In Sillian, Austria, in May, during 26.1 rainfall days, 121mm (4.76") of precipitation is typically accumulated. Throughout the year, there are 216.9 rainfall days, and 1291mm (50.83") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.6 snowfall days, in May, Sillian aggregates 33mm (1.3") of snow. In Sillian, during the entire year, snow falls for 91.7 days and aggregates up to 2208mm (86.93") of snow.

Daylight

The average length of the day in May is 15h and 3min.
On the first day of May, sunrise is at 05:54 and sunset at 20:20. On the last day of the month, sunrise is at 05:20 and sunset at 20:55 CEST.

Sunshine

In May, the average sunshine is 8.2h.

UV index

In May, the average daily maximum UV index in Sillian, Austria, is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average May temperature in Sillian?
In May, in Sillian, the average high-temperature is 9.5°C (49.1°F), and the average low-temperature is 0.3°C (32.5°F).
What is the average humidity in May in Sillian?
In May, the average relative humidity in Sillian is 88%.
How many days does it rain in May in Sillian?
In Sillian, in May, during 26.1 rainfall days, 121mm (4.76") of precipitation is typically accumulated.
What is the last month it snows in Sillian?
May is the last month it regularly snows in Sillian. During 1.6 snowfall days, in May, Sillian aggregates 33mm (1.3") of snow.
How many hours of daylight does Sillian have in May?
In May, the average day length in Sillian, Austria, is 15h and 3min.
What time are sunrise and sunset in May in Sillian?
In May, on the first day of the month, sunrise is at 05:54 and sunset at 20:20. On the last day of the month, in Sillian, Austria, sunrise is at 05:20 and sunset at 20:55 CEST.
How long on average sun shines in May in Sillian?
In May, the average sunshine duration in Sillian is 8.2h.
How high is the UV index in May in Sillian?
In May, the average daily maximum UV index in Sillian is 2. A UV Index reading of 2, and below, represents a low health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Sillian, Austria
  • Average high temperature in May: 9.5°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-2.9°C).

  • Average low temperature in May: 0.3°C

The month with the highest average low temperature is August (6°C).
The coldest month (with the lowest average low temperature) is January (-11.9°C).

Average pressure in May
Sillian, Austria
  • Average pressure in May: 1015.4mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is May (1015.4mbar).

Average wind speed in May
Sillian, Austria
  • Average wind speed in May: 7.4km/h

The windiest month (with the highest average wind speed) is February (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity in May
Sillian, Austria
  • Average humidity in May: 88%

The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (83%).

Average rainfall in May
Sillian, Austria
  • Average rainfall in May: 121mm

The wettest month (with the highest rainfall) is August (176mm).
The driest month (with the least rainfall) is December (59mm).

Average rainfall days in May
Sillian, Austria
  • Average rainfall days in May: 26.1 days

The month with the highest number of rainy days is July (28.5 days).
The month with the least rainy days is January (8.5 days).

Average snowfall in May
Sillian, Austria
  • Average snowfall in May: 33mm

The month with the highest snowfall is February (471mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Sillian, Austria
  • Average snowfall days in May: 1.6 days

The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Sillian, Austria
  • 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 36min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).

Average sunshine days in May
Sillian, Austria
  • Average sunshine days in May: 3 days

The month with the most sunshine days is October (12.6 days).
The month with the least sunshine days is July (1.5 days).

Average UV index in May
Sillian, Austria
  • Average UV index in May: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and March (UV index 1).

Average cloud cover in May
Sillian, Austria
  • Average cloud cover in May: 57

The months with the most cloud cover are March and April (Cloud cover 58).
The months with the least cloud cover are July and December (Cloud cover 45).

Average visibility in May
Sillian, Austria
  • Average visibility in May: 6km

The month with the highest visibility is July (8km).
The months with the lowest visibility are January, February, March, April, May, September and November (6km).

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