December weather forecast
Rönnäng, Sweden

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Weather in December

The first month of the winter, December, is still a cold month in Rönnäng, Sweden, with an average temperature fluctuating between 1.8°C (35.2°F) and 4.2°C (39.6°F).

Temperature

During December, the average high-temperature is a cold 4.2°C (39.6°F), maintaining a close resemblance to that of the preceding month. Rönnäng observes an average low-temperature of 1.8°C (35.2°F) during the slightly cooler nights of December.

Humidity

In Rönnäng, Sweden, the average relative humidity in December is 83%.

Rainfall

In Rönnäng, in December, during 16.1 rainfall days, 49mm (1.93") of precipitation is typically accumulated. Throughout the year, there are 167.2 rainfall days, and 552mm (21.73") of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Rönnäng. In Rönnäng, in December, during 3.5 snowfall days, 20mm (0.79") of snow is typically accumulated. Throughout the year, there are 21.3 snowfall days, and 117mm (4.61") of snow is accumulated.

Sea temperature

In Rönnäng, in December, the average water temperature is 5.8°C (42.4°F).
Note: Swimming in 5.8°C (42.4°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.

Daylight

December has the shortest days of the year, with an average of 6h and 36min of daylight.
On the first day of the month, sunrise is at 08:33 and sunset at 15:31. On the last day of December, in Rönnäng, Sweden, sunrise is at 08:58 and sunset at 15:35 CET.

Sunshine

The months with the least sunshine are February, November and December, with an average of 3.5h of sunshine.

UV index

In December, the average daily maximum UV index in Rönnäng, Sweden, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

Is December cold in Rönnäng?

In Rönnäng, in December, the average high-temperature is 4.2°C (39.6°F), and the average low-temperature is 1.8°C (35.2°F).

What is the average humidity in December in Rönnäng?

In December, the average relative humidity in Rönnäng, Sweden, is 83%.

How much does it rain in Rönnäng in December?

In Rönnäng, Sweden, in December, during 16.1 rainfall days, 49mm (1.93") of precipitation is typically accumulated.

How many days does it snow in December in Rönnäng?

In Rönnäng, in December, during 3.5 snowfall days, 20mm (0.79") of snow is typically accumulated.

How cold is the water in December in Rönnäng?

In December, the average sea temperature in Rönnäng, Sweden, is 5.8°C (42.4°F). Swimming in 5.8°C (42.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Rönnäng?

With an average of 6h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Rönnäng?

In December, the average day length in Rönnäng is 6h and 37min.

When is the sunrise / sunset in December in Rönnäng?

On the first day of December in Rönnäng, Sweden, sunrise is at 08:33 and sunset at 15:31. On the last day of the month, sunrise is at 08:58 and sunset at 15:35 CET.

What is the month with the least sunshine in Rönnäng?

The months with the least sunshine in Rönnäng are February, November and December, with an average of 3.5h of sunshine.

How long on average sun shines in December in Rönnäng?

In Rönnäng, Sweden, the average sunshine duration in December is 3.5h.

What is the UV index intensity in December in Rönnäng?

In Rönnäng, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Rönnäng, Sweden

Average temperature in December - Rönnäng, Sweden
  • Average high temperature in December: 4.2°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is February (1.8°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).

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Average pressure in December
Rönnäng, Sweden

Average pressure in December - Rönnäng, Sweden
  • Average pressure in December: 1008.5mbar

The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

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Average wind speed in December
Rönnäng, Sweden

Average wind speed in December - Rönnäng, Sweden
  • Average wind speed in December: 26km/h

The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is June (18.3km/h).

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Average humidity in December
Rönnäng, Sweden

Average humidity in December - Rönnäng, Sweden
  • Average humidity in December: 83%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).

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Average rainfall in December
Rönnäng, Sweden

Average rainfall in December - Rönnäng, Sweden
  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is August (76mm).
The driest month (with the least rainfall) is April (21mm).

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Average rainfall days in December
Rönnäng, Sweden

Average rainfall days in December - Rönnäng, Sweden
  • Average rainfall days in December: 16.1 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in December
Rönnäng, Sweden

Average snowfall in December - Rönnäng, Sweden
  • Average snowfall in December: 20mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in December
Rönnäng, Sweden

Average snowfall days in December - Rönnäng, Sweden
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in December
Rönnäng, Sweden

Average sea temperature in December - Rönnäng, Sweden
  • Average sea temperature in December: 5.8°C

The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (2.6°C).

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

Average daylight in December / Average sunshine in December - Rönnäng, Sweden
  • Average daylight in December: 6h and 4min

The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 30min).

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Average sunshine days in December
Rönnäng, Sweden

Average sunshine days in December - Rönnäng, Sweden
  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is December (9.4 days).

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Average UV index in December
Rönnäng, Sweden

Average UV index in December - Rönnäng, 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
Rönnäng, Sweden

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

The months with the most cloud cover are February, November and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Rönnäng, Sweden

Average visibility in December - Rönnäng, 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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Rönnäng, Sweden

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