December weather forecast and climate
Ruona, Sweden

Weather in December

The first month of the winter, December, is still a freezing cold month in Ruona, Sweden, with average temperature varying between -9.3°C (15.3°F) and -4.7°C (23.5°F).

Temperature

In December, the average high-temperature marginally drops, from a freezing cold -1.5°C (29.3°F) in November, to a still subzero cold -4.7°C (23.5°F). In December, the average low-temperature is -9.3°C (15.3°F).

Humidity

In Ruona, Sweden, the average relative humidity in December is 94%.

Rainfall

December is the month with the most rainfall. Rain falls for 5.1 days and accumulates 47mm (1.85") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 19.5 days and accumulates 315mm (12.4") of snow.

Daylight

The month with the shortest days is December, with an average of 3h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 1.2h of sunshine.

UV index

Months with the lowest UV index in Ruona are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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.
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FAQ

What is the average humidity in December in Ruona?

In December, the average relative humidity in Ruona, Sweden, is 94%.

What is the rainiest month in Ruona?

The month with the most rainfall is December when the rain falls for 5.1 days and typically aggregates up to 47mm (1.85") of precipitation.

How many days does it rain in December in Ruona?

In December, in Ruona, the rain falls for 5.1 days. Throughout December, 47mm (1.85") of precipitation is accumulated.

When does it snow the most in Ruona?

December is the month with the most snowfall in Ruona. Snow falls for 19.5 days and accumulates 315mm (12.4") of snow.

How many days does it snow in December in Ruona?

In December, it is snowing for 19.5 days. Throughout December, 315mm (12.4") of snow is accumulated.

What is the month with the shortest days in Ruona?

With an average of 3h of daylight, December has the shortest days of the year in Ruona, Sweden.

How many hours of daylight does Ruona have in December?

In Ruona, Sweden, the average length of the day in December is 3h.

What is the month with the least sunshine in Ruona?

With an average of 1.2h of sunshine, December has the least sunshine of the year in Ruona.

How long on average sun shines in December in Ruona?

In December, the average sunshine is 1.2h.

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

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

What is the UV index reading in December in Ruona?

In Ruona, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Ruona, Sweden

Average temperature in December - Ruona, Sweden
  • Average high temperature in December: -4.7°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-7.8°C).

  • Average low temperature in December: -9.3°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-13.2°C).

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Average pressure in December
Ruona, Sweden

Average pressure in December - Ruona, Sweden
  • Average pressure in December: 1004.8mbar

The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

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Average wind speed in December
Ruona, Sweden

Average wind speed in December - Ruona, Sweden
  • Average wind speed in December: 10.4km/h

The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).

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Average humidity in December
Ruona, Sweden

Average humidity in December - Ruona, Sweden
  • Average humidity in December: 94%

Months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in December
Ruona, Sweden

Average rainfall in December - Ruona, Sweden
  • Average rainfall in December: 47mm

The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in December
Ruona, Sweden

Average rainfall days in December - Ruona, Sweden
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in December
Ruona, Sweden

Average snowfall in December - Ruona, Sweden
  • Average snowfall in December: 315mm

The month with the highest snowfall is December (315mm).
Months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Ruona, Sweden

Average snowfall days in December - Ruona, Sweden
  • Average snowfall days in December: 19.5 days

The month with the highest number of snowfall days is December (19.5 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Ruona, Sweden
  • Average daylight in December: 3h

The month with the longest days is June (Average daylight: 23.6h).
The month with the shortest days is December (Average daylight: 3h).

  • Average sunshine in December: 1.2h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 1.2h).

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Average sunshine days in December
Ruona, Sweden

Average sunshine days in December - Ruona, Sweden
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is August (16.1 days).
The month with the least sunshine days is April (8.8 days).

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Average UV index in December
Ruona, Sweden

Average UV index in December - Ruona, Sweden
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
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
Ruona, Sweden

Average cloud cover in December - Ruona, Sweden
  • Average cloud cover in December: 69

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 44).

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Average visibility in December
Ruona, Sweden

Average visibility in December - Ruona, Sweden
  • Average visibility in December: 6km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January and February (5km).

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