December weather forecast
Oskarshamn, Sweden

Weather in December

The first month of the winter, December, is also a wintry month in Oskarshamn, Sweden, with an average temperature ranging between max 2.8°C (37°F) and min 0°C (32°F).

Temperature

In December, the average high-temperature marginally drops from a frosty 6.5°C (43.7°F) in November to a cold 2.8°C (37°F). In December, in Oskarshamn, the average low-temperature is 0°C (32°F).

Humidity

January, February, November and December, with an average relative humidity of 86%, are the most humid months in Oskarshamn.

Rainfall

In Oskarshamn, in December, during 11.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 140.2 rainfall days, and 351mm (13.82") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Oskarshamn, during December, snow falls for 8.9 days and regularly aggregates up to 76mm (2.99") of snow. In Oskarshamn, Sweden, during the entire year, snow falls for 46.1 days and aggregates up to 325mm (12.8") of snow.

Sea temperature

In Oskarshamn, the average water temperature is 4.8°C (40.6°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The month with the shortest days is December, with an average of 6h and 47min of daylight.
On the first day of the month, sunrise is at 08:08 and sunset at 15:17. On the last day of December, sunrise is at 08:34 and sunset at 15:20 CET.

Sunshine

The average sunshine in December in Oskarshamn is 3.6h.

UV index

In Oskarshamn, Sweden, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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 December in Oskarshamn?

In Oskarshamn, Sweden, in December, the average high-temperature is 2.8°C (37°F), and the average low-temperature is 0°C (32°F).

What are the most humid months in Oskarshamn?

January, February, November and December, with an average relative humidity of 86%, are most humid months in Oskarshamn, Sweden.

What is the average humidity in December in Oskarshamn?

The average relative humidity in December is 86%.

How many days does it rain in December in Oskarshamn?

In Oskarshamn, Sweden, in December, during 11.4 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

How much does it snow in Oskarshamn in December?

In Oskarshamn, during December, snow falls for 8.9 days and regularly aggregates up to 76mm (2.99") of snow.

What is the water temperature in December in Oskarshamn?

In Oskarshamn, Sweden, the average seawater temperature in December is 4.8°C (40.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the month with the shortest days in Oskarshamn?

December has the shortest days of the year in Oskarshamn, with an average of 6h and 47min of daylight.

How many hours of daylight does Oskarshamn have in December?

The average day length in December in Oskarshamn is 6h and 47min.

When are sunrise and sunset in December in Oskarshamn?

On the first day of December, sunrise is at 08:08 and sunset at 15:17. On the last day of the month, sunrise is at 08:34 and sunset at 15:20 CET.

How long on average sun shines in December in Oskarshamn?

In Oskarshamn, the average sunshine duration in December is 3.6h.

What is the UV index reading in December in Oskarshamn?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.

Average temperature in December
Oskarshamn, Sweden

Average temperature in December - Oskarshamn, Sweden
  • Average high temperature in December: 2.8°C

The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in December: 0°C

The month with the highest average low temperature is July (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).

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Average pressure in December
Oskarshamn, Sweden

Average pressure in December - Oskarshamn, Sweden
  • Average pressure in December: 1009.7mbar

The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).

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Average wind speed in December
Oskarshamn, Sweden

Average wind speed in December - Oskarshamn, Sweden
  • Average wind speed in December: 17.9km/h

The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest months (with the lowest average wind speed) are May and August (13.5km/h).

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Average humidity in December
Oskarshamn, Sweden

Average humidity in December - Oskarshamn, Sweden
  • Average humidity in December: 86%

The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (70%).

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Average rainfall in December
Oskarshamn, Sweden

Average rainfall in December - Oskarshamn, Sweden
  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is April (12mm).

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Average rainfall days in December
Oskarshamn, Sweden

Average rainfall days in December - Oskarshamn, Sweden
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is February (7 days).

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Average snowfall in December
Oskarshamn, Sweden

Average snowfall in December - Oskarshamn, Sweden
  • Average snowfall in December: 76mm

The month with the highest snowfall is February (94mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Oskarshamn, Sweden

Average snowfall days in December - Oskarshamn, Sweden
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in December
Oskarshamn, Sweden

Average sea temperature in December - Oskarshamn, Sweden
  • Average sea temperature in December: 4.8°C

The best month for swimming (with the highest average sea temperature) is August (18.6°C).
The coldest month (with the lowest average sea temperature) is March (1.8°C).

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Average daylight in December /
Average sunshine in December
Oskarshamn, Sweden

Average daylight in December / Average sunshine in December - Oskarshamn, Sweden
  • Average daylight in December: 6h and 47min

The month with the longest days is June (Average daylight: 17h and 51min).
The month with the shortest days is December (Average daylight: 6h and 47min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in December
Oskarshamn, Sweden

Average sunshine days in December - Oskarshamn, Sweden
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in December
Oskarshamn, Sweden

Average UV index in December - Oskarshamn, Sweden
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Oskarshamn, Sweden

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

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Oskarshamn, Sweden

Average visibility in December - Oskarshamn, Sweden
  • Average visibility in December: 9km

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

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