May weather forecast
Björneborg, Sweden

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Weather in May

May, the last month of the spring in Björneborg, is a mild month, with an average temperature fluctuating between 6.2°C (43.2°F) and 15.3°C (59.5°F).

Temperature

With the onset of May, Björneborg's weather sees a temperature rise, transitioning from a fresh 10.2°C (50.4°F) in April to a mild 15.3°C (59.5°F). An average temperature of 6.2°C (43.2°F) marks the nights in May.

Humidity

The least humid month in Björneborg is May, with an average relative humidity of 69%.

Rainfall

In Björneborg, Sweden, during May, the rain falls for 16.4 days and regularly aggregates up to 44mm (1.73") of precipitation. In Björneborg, during the entire year, the rain falls for 150 days and collects up to 473mm (18.62") of precipitation.

Snowfall

Months with snowfall in Björneborg are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Björneborg aggregates 3mm (0.12") of snow. In Björneborg, during the entire year, snow falls for 57.6 days and aggregates up to 582mm (22.91") of snow.

Daylight

In Björneborg, Sweden, the average length of the day in May is 17h and 1min.
On the first day of the month, sunrise is at 05:02 and sunset at 20:57. On the last day of May, in Björneborg, sunrise is at 03:59 and sunset at 22:01 CEST.

Sunshine

In Björneborg, the average sunshine in May is 8.6h.

UV index

In Björneborg, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 1, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the temperature in May in Björneborg?

In May, the average high-temperature and low-temperature are 15.3°C (59.5°F) and 6.2°C (43.2°F) respectively.

What is the least humid month in Björneborg?

The least humid month is May, with an average relative humidity of 69%.

What is the average humidity in May in Björneborg?

In Björneborg, the average relative humidity in May is 69%.

How many days does it rain in May in Björneborg?

In Björneborg, Sweden, in May, it is raining for 16.4 days, with typically 44mm (1.73") of accumulated precipitation.

What is the last month it snows in Björneborg?

May is the last month it regularly snows in Björneborg, Sweden. During 0.8 snowfall days, in May, Björneborg aggregates 3mm (0.12") of snow.

How many hours of daylight does Björneborg have in May?

The average day length in May is 17h and 1min.

When are sunrise and sunset in May in Björneborg?

In May, on the first day of the month, sunrise is at 05:02 and sunset at 20:57. On the last day of the month, in Björneborg, sunrise is at 03:59 and sunset at 22:01 CEST.

How long on average sun shines in May in Björneborg?

In Björneborg, Sweden, the average sunshine duration in May is 8.6h.

What is the UV index intensity in May in Björneborg?

In Björneborg, Sweden, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Björneborg, Sweden

Average temperature in May - Björneborg, Sweden
  • Average high temperature in May: 15.3°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-1°C).

  • Average low temperature in May: 6.2°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in May
Björneborg, Sweden

Average pressure in May - Björneborg, Sweden
  • Average pressure in May: 1014.4mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).

Average wind speed in May
Björneborg, Sweden

Average wind speed in May - Björneborg, Sweden
  • Average wind speed in May: 11.9km/h

The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

Average humidity in May
Björneborg, Sweden

Average humidity in May - Björneborg, Sweden
  • Average humidity in May: 69%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (69%).

Average rainfall in May
Björneborg, Sweden

Average rainfall in May - Björneborg, Sweden
  • Average rainfall in May: 44mm

The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in May
Björneborg, Sweden

Average rainfall days in May - Björneborg, Sweden
  • Average rainfall days in May: 16.4 days

The months with the highest number of rainy days are July and August (16.7 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in May
Björneborg, Sweden

Average snowfall in May - Björneborg, Sweden
  • Average snowfall in May: 3mm

The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Björneborg, Sweden

Average snowfall days in May - Björneborg, Sweden
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Björneborg, Sweden
  • Average daylight in May: 17h and 0min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

Average sunshine days in May
Björneborg, Sweden

Average sunshine days in May - Björneborg, Sweden
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is November (10.2 days).

Average UV index in May
Björneborg, Sweden

Average UV index in May - Björneborg, Sweden
  • 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 and December (UV index 1).

Average cloud cover in May
Björneborg, Sweden

Average cloud cover in May - Björneborg, Sweden
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 42).

Average visibility in May
Björneborg, Sweden

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

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).

Björneborg, Sweden

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