May weather forecast
Sionkylä, Finland

englishespañol中文
Share

Weather in May

The last month of the spring, May, is a refreshing month in Sionkylä, Finland, with an average temperature fluctuating between 5.8°C (42.4°F) and 15.5°C (59.9°F).

Temperature

With the onset of May, Sionkylä experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 7.1°C (44.8°F) in April to a refreshing 15.5°C (59.9°F). Nighttime temperatures in May average to a wintry 5.8°C (42.4°F) in Sionkylä.

Humidity

With an average relative humidity of 66%, May is the least humid month.

Rainfall

In May, the rain falls for 12.6 days. Throughout May, 25mm (0.98") of precipitation is accumulated. Throughout the year, in Sionkylä, there are 114.9 rainfall days, and 260mm (10.24") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Sionkylä aggregates 11mm (0.43") of snow. Throughout the year, there are 85.3 snowfall days, and 453mm (17.83") of snow is accumulated.

Daylight

In May, the average length of the day in Sionkylä is 17h and 35min.
On the first day of May in Sionkylä, sunrise is at 05:13 and sunset at 21:31. On the last day of the month, sunrise is at 03:59 and sunset at 22:47 EEST.

Sunshine

In May, the average sunshine is 9.4h.

UV index

In Sionkylä, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Resources | Updated: Feb 1, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the temperature in May in Sionkylä?

In Sionkylä, 15.5°C (59.9°F) is the average high-temperature and 5.8°C (42.4°F) is the average low-temperature during May.

What is the least humid month in Sionkylä?

With an average relative humidity of 66%, May is the least humid month in Sionkylä, Finland.

What is the average humidity in May in Sionkylä?

In May, the average relative humidity is 66%.

How much does it rain in Sionkylä in May?

In May, in Sionkylä, the rain falls for 12.6 days. Throughout May, 25mm (0.98") of precipitation is accumulated.

What is the last month it snows in Sionkylä?

May is the last month it regularly snows in Sionkylä, Finland. During 0.8 snowfall days, in May, Sionkylä aggregates 11mm (0.43") of snow.

How many hours of daylight does Sionkylä have in May?

In May, the average day length in Sionkylä, Finland, is 17h and 35min.

What time are sunrise and sunset in May in Sionkylä?

In May, on the first day of the month, sunrise is at 05:13 and sunset at 21:31. On the last day of the month, in Sionkylä, sunrise is at 03:59 and sunset at 22:47 EEST.

How many hours of sunshine does Sionkylä have in May?

The average sunshine duration in May in Sionkylä is 9.4h.

What is the UV index reading in May in Sionkylä?

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Sionkylä, Finland

Average temperature in May - Sionkylä, Finland
  • Average high temperature in May: 15.5°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.3°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).

[Resources]

Average pressure in May
Sionkylä, Finland

Average pressure in May - Sionkylä, Finland
  • Average pressure in May: 1014.7mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).

[Resources]

Average wind speed in May
Sionkylä, Finland

Average wind speed in May - Sionkylä, Finland
  • Average wind speed in May: 11km/h

The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).

[Resources]

Average humidity in May
Sionkylä, Finland

Average humidity in May - Sionkylä, Finland
  • Average humidity in May: 66%

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).

[Resources]

Average rainfall in May
Sionkylä, Finland

Average rainfall in May - Sionkylä, Finland
  • Average rainfall in May: 25mm

The wettest month (with the highest rainfall) is July (37mm).
The driest months (with the least rainfall) are March and April (16mm).

[Resources]

Average rainfall days in May
Sionkylä, Finland

Average rainfall days in May - Sionkylä, Finland
  • Average rainfall days in May: 12.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3 days).

[Resources]

Average snowfall in May
Sionkylä, Finland

Average snowfall in May - Sionkylä, Finland
  • Average snowfall in May: 11mm

The months with the highest snowfall are January, February and March (86mm).
The months with the least snowfall are June, July, August and September (0mm).

[Resources]

Average snowfall days in May
Sionkylä, Finland

Average snowfall days in May - Sionkylä, Finland
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is March (17.8 days).
The months with the least snowfall days are July, August and September (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Sionkylä, Finland

Average daylight in May / Average sunshine in May - Sionkylä, Finland
  • Average daylight in May: 17h and 4min

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

[Resources]

Average sunshine days in May
Sionkylä, Finland

Average sunshine days in May - Sionkylä, Finland
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.4 days).

[Resources]

Average UV index in May
Sionkylä, Finland

Average UV index in May - Sionkylä, Finland
  • 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, March, November and December (UV index 1).

[Resources]

Average cloud cover in May
Sionkylä, Finland

Average cloud cover in May - Sionkylä, Finland
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 44).

[Resources]

Average visibility in May
Sionkylä, Finland

Average visibility in May - Sionkylä, Finland
  • Average visibility in May: 9km

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).

[Resources]

Sionkylä, Finland

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location