December weather forecast
Gredeby, Sweden

December

Weather in December

December, the first month of the winter in Gredeby, is also an icy month, with an average temperature varying between 4°C (39.2°F) and 1.8°C (35.2°F).

Temperature

Gredeby's weather subtly changes with the onset of December, barely falling from a frosty 7.4°C (45.3°F) in November to a wintry 4°C (39.2°F). The nighttime temperature in Gredeby, Sweden, in December experiences a minor dip, averaging a still icy 1.8°C (35.2°F).

Humidity

The average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 14.5 days. Throughout December, 38mm (1.5") of precipitation is accumulated. In Gredeby, during the entire year, the rain falls for 150.2 days and collects up to 411mm (16.18") of precipitation.

Snowfall

Months with snowfall in Gredeby are January through April, November and December. In Gredeby, Sweden, in December, during 6.5 snowfall days, 39mm (1.54") of snow is typically accumulated. Throughout the year, there are 33 snowfall days, and 183mm (7.2") of snow is accumulated.

Daylight

With an average of 7h and 0min of daylight, December has the shortest days of the year in Gredeby.
On the first day of December, sunrise is at 08:06 and sunset at 15:27. On the last day of the month, sunrise is at 08:30 and sunset at 15:31 CET.

Sunshine

January and December, with an average of 3.1h of sunshine, are months with the least sunshine in Gredeby.

UV index

In Gredeby, Sweden, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is December in Gredeby?
In Gredeby, 4°C (39.2°F) is the average high-temperature and 1.8°C (35.2°F) is the average low-temperature during December.
What is the average humidity in December in Gredeby?
In December, the average relative humidity is 85%.
How many days does it rain in December in Gredeby?
In Gredeby, Sweden, in December, during 14.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
How much does it snow in Gredeby in December?
In Gredeby, Sweden, in December, snow falls for 6.5 days, with typically accumulated 39mm (1.54") of snow.
What is the month with the shortest days in Gredeby?
With an average of 7h and 0min of daylight, December has the shortest days of the year in Gredeby.
What is the average length of the day in December in Gredeby?
In December, the average day length in Gredeby is 7h and 2min.
What time are sunrise and sunset in December in Gredeby?
On the first day of December, sunrise is at 08:06 and sunset at 15:27. On the last day of the month, sunrise is at 08:30 and sunset at 15:31 CET.
What is the month with the least sunshine in Gredeby?
The months with the least sunshine in Gredeby, Sweden, are January and December, with an average of 3.1h of sunshine.
How long on average sun shines in December in Gredeby?
The average sunshine duration in December in Gredeby is 3.1h.
What is the UV index reading in December in Gredeby?
In Gredeby, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Gredeby, Sweden
  • Average high temperature in December: 4°C

The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (2°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).

Average pressure in December
Gredeby, Sweden
  • Average pressure in December: 1010.8mbar

The months with the highest atmospheric pressure are April and May (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).

Average wind speed in December
Gredeby, Sweden
  • Average wind speed in December: 24.5km/h

The windiest month (with the highest average wind speed) is December (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.5km/h).

Average humidity in December
Gredeby, Sweden
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in December
Gredeby, Sweden
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in December
Gredeby, Sweden
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in December
Gredeby, Sweden
  • Average snowfall in December: 39mm

The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Gredeby, Sweden
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Gredeby, Sweden
  • Average daylight in December: 7h and 0min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

Average sunshine days in December
Gredeby, Sweden
  • Average sunshine days in December: 9.3 days

The month with the most sunshine days is April (18 days).
The months with the least sunshine days are November and December (9.3 days).

Average UV index in December
Gredeby, Sweden
  • Average UV index in December: 2

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

Average cloud cover in December
Gredeby, Sweden
  • Average cloud cover in December: 69

The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 33).

Average visibility in December
Gredeby, Sweden
  • Average visibility in December: 9km

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

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