December weather forecast
Rosendal, Norway

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Weather in December

The first month of the winter, December, is also a subzero cold month in Rosendal, Norway, with an average temperature varying between -8.1°C (17.4°F) and -3.5°C (25.7°F).

Temperature

As Rosendal welcomes December, the average high-temperature stabilizes at a still subzero cold -3.5°C (25.7°F), showing little deviation from November's -0.9°C (30.4°F). Nights in December cool down, indicating a minor disparity from daytime highs with an average low-temperature of -8.1°C (17.4°F).

Humidity

With an average relative humidity of 94%, December is the most humid month.

Rainfall

The month with the most rainfall is December, when the rain falls for 12.6 days and typically aggregates up to 206mm (8.11") of precipitation.

Snowfall

Months with snowfall in Rosendal are January through May, October through December. In Rosendal, Norway, during December, snow falls for 18.3 days and regularly aggregates up to 524mm (20.63") of snow. In Rosendal, during the entire year, snow falls for 96.6 days and aggregates up to 2624mm (103.31") of snow.

Sea temperature

In December, the average sea temperature in Rosendal is 8.1°C (46.6°F).
Note: Taking a dip in 8.1°C (46.6°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.

Daylight

The month with the shortest days is December, with an average of 6h and 0min of daylight.
On the first day of December in Rosendal, sunrise is at 09:11 and sunset at 15:38. On the last day of the month, sunrise is at 09:38 and sunset at 15:40 CET.

Sunshine

The month with the least sunshine in Rosendal is December, with an average of 1.6h of sunshine.

UV index

The months with the lowest UV index in Rosendal are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 1 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Rosendal in December?

In December, the average high-temperature and low-temperature in Rosendal are -3.5°C (25.7°F) and -8.1°C (17.4°F) respectively.

What is the most humid month in Rosendal?

With an average relative humidity of 94%, December is the most humid month in Rosendal, Norway.

What is the average humidity in December in Rosendal?

The average relative humidity in December is 94%.

What is the rainiest month in Rosendal?

The month with the most rainfall in Rosendal is December, when the rain falls for 12.6 days and typically aggregates up to 206mm (8.11") of precipitation.

How much does it rain in Rosendal in December?

In Rosendal, Norway, in December, during 12.6 rainfall days, 206mm (8.11") of precipitation is typically accumulated.

How much does it snow in Rosendal in December?

In Rosendal, during December, snow falls for 18.3 days and regularly aggregates up to 524mm (20.63") of snow.

What is the sea water temperature in December in Rosendal?

In December, the average sea temperature is 8.1°C (46.6°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 month with the shortest days in Rosendal?

The month with the shortest days in Rosendal, Norway, is December, with an average of 6h and 0min of daylight.

How many hours of daylight does Rosendal have in December?

In Rosendal, Norway, the average day length in December is 6h and 2min.

When are sunrise and sunset in December in Rosendal?

In December, on the first day of the month, sunrise is at 09:11 and sunset at 15:38. On the last day of the month, in Rosendal, Norway, sunrise is at 09:38 and sunset at 15:40 CET.

What is the month with the least sunshine in Rosendal?

The month with the least sunshine is December, with an average of 1.6h of sunshine.

How long on average sun shines in December in Rosendal?

In December, the average sunshine duration in Rosendal, Norway, is 1.6h.

What are the months with the lowest UV index in Rosendal?

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December in Rosendal?

In Rosendal, Norway, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.

Average temperature in December
Rosendal, Norway

Average temperature in December - Rosendal, Norway
  • Average high temperature in December: -3.5°C

The warmest month (with the highest average high temperature) is July (12.6°C).
The month with the lowest average high temperature is January (-4.5°C).

  • Average low temperature in December: -8.1°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).

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Average pressure in December
Rosendal, Norway

Average pressure in December - Rosendal, Norway
  • Average pressure in December: 1006.8mbar

The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).

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Average wind speed in December
Rosendal, Norway

Average wind speed in December - Rosendal, Norway
  • Average wind speed in December: 12.8km/h

The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).

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Average humidity in December
Rosendal, Norway

Average humidity in December - Rosendal, Norway
  • Average humidity in December: 94%

The month with the highest relative humidity is December (94%).
The month with the lowest relative humidity is June (81%).

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Average rainfall in December
Rosendal, Norway

Average rainfall in December - Rosendal, Norway
  • Average rainfall in December: 206mm

The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is June (87mm).

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Average rainfall days in December
Rosendal, Norway

Average rainfall days in December - Rosendal, Norway
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in December
Rosendal, Norway

Average snowfall in December - Rosendal, Norway
  • Average snowfall in December: 524mm

The month with the highest snowfall is January (581mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Rosendal, Norway

Average snowfall days in December - Rosendal, Norway
  • Average snowfall days in December: 18.3 days

The month with the highest number of snowfall days is December (18.3 days).
The months with the least snowfall days are July, August and September (0 days).

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Average sea temperature in December
Rosendal, Norway

Average sea temperature in December - Rosendal, Norway
  • Average sea temperature in December: 8.1°C

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).

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Average daylight in December /
Average sunshine in December
Rosendal, Norway

Average daylight in December / Average sunshine in December - Rosendal, Norway
  • Average daylight in December: 6h and 0min

The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in December: 1h and 4min

The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

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Average sunshine days in December
Rosendal, Norway

Average sunshine days in December - Rosendal, Norway
  • Average sunshine days in December: 7.3 days

The month with the most sunshine days is October (10.4 days).
The month with the least sunshine days is August (5.7 days).

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Average UV index in December
Rosendal, Norway

Average UV index in December - Rosendal, Norway
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average cloud cover in December
Rosendal, Norway

Average cloud cover in December - Rosendal, Norway
  • Average cloud cover in December: 76

The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 61).

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Average visibility in December
Rosendal, Norway

Average visibility in December - Rosendal, Norway
  • Average visibility in December: 6km

The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are February, March and December (6km).

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Rosendal, Norway

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