May weather forecast and climate
Öregrund, Sweden

May, the last month of the spring, in Öregrund, is a cool month, with average temperature ranging between min 6.3°C (43.3°F) and max 12.1°C (53.8°F).

Temperature

In May, the average high-temperature marginally rises, from a chilly 7.4°C (45.3°F) in April, to a cool 12.1°C (53.8°F). In May, in Öregrund, the average low-temperature is 6.3°C (43.3°F).

Humidity

May and June, with an average relative humidity of 74%, are the least humid months in Öregrund.

Rainfall

In Öregrund, it is raining for 13.3 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 345mm (13.58") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Öregrund. May is the last month it regularly snows. During 0.5 snowfall days, Öregrund aggregates 7mm (0.28") of snow. In Öregrund, during the entire year, snow falls for 51.1 days, and aggregates up to 330mm (12.99") of snow.

Sea temperature

In Öregrund, in May, the average water temperature is 5.8°C (42.4°F).
Note: Swimming in 5.8°C (42.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in May is 17.3h.

Sunshine

The average sunshine in May is 9.8h.

UV index

The average daily maximum UV index in Öregrund is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in May in Öregrund?

In Öregrund, Sweden, in May, the average high-temperature is 12.1°C (53.8°F), and the average low-temperature is 6.3°C (43.3°F).

What are the least humid months in Öregrund?

Months with the lowest humidity in Öregrund, Sweden, are May and June, with an average relative humidity of 74%.

What is the average humidity in May in Öregrund?

In Öregrund, the average relative humidity in May is 74%.

How many days does it rain in May in Öregrund?

In May, in Öregrund, Sweden, the rain falls for 13.3 days. Throughout May, 31mm (1.22") of precipitation is accumulated.

What is the last month it snows in Öregrund?

May is the last month it regularly snows. During 0.5 snowfall days, in May, Öregrund aggregates 7mm (0.28") of snow.

What is the sea water temperature in May in Öregrund?

In May, the average sea temperature is 5.8°C (42.4°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in May in Öregrund?

The average length of the day in May in Öregrund, Sweden, is 17.3h.

How long on average sun shines in May in Öregrund?

The average sunshine in May is 9.8h.

How high is the UV index in May in Öregrund?

In Öregrund, Sweden, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Öregrund, Sweden
  • Average high temperature in May: 12.1°C

The warmest month (with the highest average high temperature) is July (19.7°C).
Months with the lowest average high temperature are January and February (-0.1°C).

  • Average low temperature in May: 6.3°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).

Average pressure in May - Öregrund, Sweden
  • 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 (1007.1mbar).

Average wind speed in May - Öregrund, Sweden
  • Average wind speed in May: 14.9km/h

The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).

Average humidity in May - Öregrund, Sweden
  • Average humidity in May: 74%

The month with the highest relative humidity is February (87%).
Months with the lowest relative humidity are May and June (74%).

Average rainfall in May - Öregrund, Sweden
  • Average rainfall in May: 31mm

The wettest month (with the highest rainfall) is July (52mm).
The driest months (with the least rainfall) are February and April (16mm).

Average rainfall days in May - Öregrund, Sweden
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in May - Öregrund, Sweden
  • Average snowfall in May: 7mm

The month with the highest snowfall is March (78mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Öregrund, Sweden
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is January (12.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May - Öregrund, Sweden
  • Average sea temperature in May: 5.8°C

The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is February (0.1°C).

Average daylight in May / Average sunshine in May - Öregrund, Sweden
  • Average daylight in May: 17.3h

The month with the longest days is June (Average daylight: 18.9h).
The month with the shortest days is December (Average daylight: 5.9h).

  • Average sunshine in May: 9.8h

The month with the most sunshine is June (Average sunshine: 12.7h).
The month with the least sunshine is December (Average sunshine: 2.5h).

Average sunshine days in May - Öregrund, Sweden
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (11.6 days).

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

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January and February (UV index 1).

Average cloud cover in May - Öregrund, Sweden
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 67).
Months with the least cloud cover are July and August (Cloud cover 37).

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

Months with the highest visibility are June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, May, November and December (9km).