May weather forecast and climate
Vällviken, Sweden

Weather in May

The last month of the spring, May, is a fresh month in Vällviken, Sweden, with average temperature varying between 11.8°C (53.2°F) and 3.4°C (38.1°F).

Temperature

In May, the average high-temperature increases, from a cold 4.6°C (40.3°F) in April, to a fresh 11.8°C (53.2°F). In May, the average low-temperature is 3.4°C (38.1°F).

Humidity

In May, the average relative humidity is 68%.

Rainfall

In Vällviken, Sweden, during May, the rain falls for 13.8 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Vällviken, there are 122.4 rainfall days, and 377mm (14.84") of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. May is the last month it regularly snows. During 4.4 snowfall days, in May, Vällviken aggregates 62mm (2.44") of snow. Throughout the year, there are 97.8 snowfall days, and 978mm (38.5") of snow is accumulated.

Daylight

The average length of the day in Vällviken is 18.1h.

Sunshine

In Vällviken, the average sunshine in May is 9.7h.

UV index

In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Vällviken?

In Vällviken, Sweden, in May, the average high-temperature is 11.8°C (53.2°F), and the average low-temperature is 3.4°C (38.1°F).

What is the average humidity in May in Vällviken?

In Vällviken, Sweden, the average relative humidity in May is 68%.

How much does it rain in Vällviken in May?

In Vällviken, in May, it is raining for 13.8 days, with typically 38mm (1.5") of accumulated precipitation.

What is the last month it snows in Vällviken?

May is the last month it regularly snows. During 4.4 snowfall days, in May, Vällviken aggregates 62mm (2.44") of snow.

How many hours of daylight does Vällviken have in May?

The average length of the day in May in Vällviken, Sweden, is 18.1h.

How many hours of sunshine does Vällviken have in May?

In Vällviken, the average sunshine in May is 9.7h.

What is the UV index reading in May in Vällviken?

The average daily maximum UV index in May in Vällviken, Sweden, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in May
Vällviken, Sweden

Average temperature in May - Vällviken, Sweden
  • Average high temperature in May: 11.8°C

The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-4.8°C).

  • Average low temperature in May: 3.4°C

The month with the highest average low temperature is July (9.8°C).
The coldest months (with the lowest average low temperature) are January and February (-9.6°C).

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Average pressure in May
Vällviken, Sweden

Average pressure in May - Vällviken, Sweden
  • Average pressure in May: 1014.5mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).

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Average wind speed in May
Vällviken, Sweden

Average wind speed in May - Vällviken, Sweden
  • Average wind speed in May: 13.5km/h

The windiest month (with the highest average wind speed) is June (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

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Average humidity in May
Vällviken, Sweden

Average humidity in May - Vällviken, Sweden
  • Average humidity in May: 68%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (67%).

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Average rainfall in May
Vällviken, Sweden

Average rainfall in May - Vällviken, Sweden
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (18mm).

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Average rainfall days in May
Vällviken, Sweden

Average rainfall days in May - Vällviken, Sweden
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4 days).

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Average snowfall in May
Vällviken, Sweden

Average snowfall in May - Vällviken, Sweden
  • Average snowfall in May: 62mm

The month with the highest snowfall is December (192mm).
Months with the least snowfall are June, July and August (0mm).

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Average snowfall days in May
Vällviken, Sweden

Average snowfall days in May - Vällviken, Sweden
  • Average snowfall days in May: 4.4 days

The month with the highest number of snowfall days is January (17 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Vällviken, Sweden

Average daylight in May / Average sunshine in May - Vällviken, Sweden
  • Average daylight in May: 18.1h

The month with the longest days is June (Average daylight: 20.2h).
The month with the shortest days is December (Average daylight: 4.9h).

  • Average sunshine in May: 9.7h

The month with the most sunshine is July (Average sunshine: 11.7h).
The month with the least sunshine is December (Average sunshine: 1.6h).

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Average sunshine days in May
Vällviken, Sweden

Average sunshine days in May - Vällviken, Sweden
  • Average sunshine days in May: 12 days

The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is December (11.4 days).

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Average UV index in May
Vällviken, Sweden

Average UV index in May - Vällviken, Sweden
  • Average UV index in May: 3

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Vällviken, Sweden

Average cloud cover in May - Vällviken, Sweden
  • Average cloud cover in May: 49

Months with the most cloud cover are January and December (Cloud cover 62).
Months with the least cloud cover are July and August (Cloud cover 45).

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Average visibility in May
Vällviken, Sweden

Average visibility in May - Vällviken, Sweden
  • Average visibility in May: 9km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January and February (7km).

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