December weather forecast and climate
Öregrund, Sweden

The first month of the winter, December, is also a wintry month in Öregrund, Sweden, with average temperature ranging between max 1.7°C (35.1°F) and min -1.2°C (29.8°F).

Temperature

In Öregrund, Sweden, the average high-temperature marginally drops, from a wintry 4.9°C (40.8°F) in November, to a still cold 1.7°C (35.1°F). The average low-temperature, in December, is -1.2°C (29.8°F).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Öregrund, Sweden, during December, the rain falls for 8.2 days and regularly aggregates up to 28mm (1.1") of precipitation. In Öregrund, during the entire year, the rain falls for 136.5 days and collects up to 345mm (13.58") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Öregrund, in December, during 11.2 snowfall days, 70mm (2.76") of snow is typically accumulated. 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, the average seawater temperature is 3°C (37.4°F).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

With an average of 5.9h of daylight, December has the shortest days of the year.

Sunshine

The month with the least sunshine in Öregrund is December, with an average of 2.5h of sunshine.

UV index

The average daily maximum UV index in Öregrund is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Öregrund?

In December, in Öregrund, the average high-temperature is 1.7°C (35.1°F), and the average low-temperature is -1.2°C (29.8°F).

What is the average humidity in December in Öregrund?

In Öregrund, Sweden, the average relative humidity in December is 85%.

How much does it rain in Öregrund in December?

In Öregrund, Sweden, in December, during 8.2 rainfall days, 28mm (1.1") of precipitation is typically accumulated.

How much does it snow in Öregrund in December?

In December, it is snowing for 11.2 days. Throughout December, 70mm (2.76") of snow is accumulated.

What is the water temperature in December in Öregrund?

In Öregrund, in December, the average water temperature is 3°C (37.4°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Öregrund?

With an average of 5.9h of daylight, December has the shortest days of the year in Öregrund.

How many hours of daylight does Öregrund have in December?

In December, the average length of the day in Öregrund is 5.9h.

What is the month with the least sunshine in Öregrund?

With an average of 2.5h of sunshine, December has the least sunshine of the year in Öregrund, Sweden.

How long on average sun shines in December in Öregrund?

The average sunshine in December in Öregrund, Sweden, is 2.5h.

What is the UV index intensity in December in Öregrund?

The average daily maximum UV index in December in Öregrund is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.
Average temperature in December - Öregrund, Sweden
  • Average high temperature in December: 1.7°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 December: -1.2°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 December - Öregrund, Sweden
  • Average pressure in December: 1007.1mbar

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 December - Öregrund, Sweden
  • Average wind speed in December: 20.3km/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 December - Öregrund, Sweden
  • Average humidity in December: 85%

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

Average rainfall in December - Öregrund, Sweden
  • Average rainfall in December: 28mm

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 December - Öregrund, Sweden
  • Average rainfall days in December: 8.2 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 December - Öregrund, Sweden
  • Average snowfall in December: 70mm

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 December - Öregrund, Sweden
  • Average snowfall days in December: 11.2 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 December - Öregrund, Sweden
  • Average sea temperature in December: 3°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 December / Average sunshine in December - Öregrund, Sweden
  • Average daylight in December: 5.9h

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 December: 2.5h

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 December - Öregrund, Sweden
  • Average sunshine days in December: 11.6 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 December - Öregrund, Sweden
  • Average UV index in December: 2

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 December - Öregrund, Sweden
  • Average cloud cover in December: 64

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 December - Öregrund, Sweden
  • Average visibility in December: 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).