December weather forecast
Rönninge, Sweden

December

Weather in December

December, the first month of the winter in Rönninge, is also an icy month, with an average temperature fluctuating between 1.5°C (34.7°F) and -1.6°C (29.1°F).

Temperature

Rönninge's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's 5.1°C (41.2°F) to a still icy 1.5°C (34.7°F). Rönninge, during December nights, records a temperature marginally cooler than the daytime average, at a subzero cold -1.6°C (29.1°F).

Humidity

In December, the average relative humidity in Rönninge is 87%.

Rainfall

In Rönninge, in December, during 8.3 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Rönninge, during the entire year, the rain falls for 141.5 days and collects up to 378mm (14.88") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rönninge. In December, it is snowing for 9.1 days. Throughout December, 77mm (3.03") of snow is accumulated. In Rönninge, Sweden, during the entire year, snow falls for 48.3 days and aggregates up to 358mm (14.09") of snow.

Daylight

The month with the shortest days in Rönninge is December, with an average of 6h and 18min of daylight.
On the first day of December in Rönninge, sunrise is at 08:18 and sunset at 14:58. On the last day of the month, sunrise is at 08:44 and sunset at 15:00 CET.

Sunshine

December has the least sunshine of the year in Rönninge, with an average of 2.6h of sunshine.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December in Rönninge?
In Rönninge, 1.5°C (34.7°F) is the average high-temperature and -1.6°C (29.1°F) is the average low-temperature during December.
What is the average humidity in December in Rönninge?
In Rönninge, the average relative humidity in December is 87%.
How much does it rain in Rönninge in December?
In Rönninge, during December, the rain falls for 8.3 days and regularly aggregates up to 34mm (1.34") of precipitation.
How much does it snow in Rönninge in December?
In Rönninge, during December, snow falls for 9.1 days and regularly aggregates up to 77mm (3.03") of snow.
What is the month with the shortest days in Rönninge?
With an average of 6h and 18min of daylight, December has the shortest days of the year.
How many hours of daylight does Rönninge have in December?
The average day length in December in Rönninge, Sweden, is 6h and 17min.
What time are sunrise and sunset in December in Rönninge?
On the first day of December in Rönninge, sunrise is at 08:18 and sunset at 14:58. On the last day of the month, sunrise is at 08:44 and sunset at 15:00 CET.
What is the month with the least sunshine in Rönninge?
The month with the least sunshine in Rönninge is December, with an average of 2.6h of sunshine.
How long on average sun shines in December in Rönninge?
In December, the average sunshine duration in Rönninge is 2.6h.
How high is the UV index in December in Rönninge?
The average daily maximum UV index in December in Rönninge is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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 - Rönninge, Sweden
Average temperature in December
Rönninge, Sweden
  • Average high temperature in December: 1.5°C

The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in December - Rönninge, Sweden
Average pressure in December
Rönninge, Sweden
  • Average pressure in December: 1007.9mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in December - Rönninge, Sweden
Average wind speed in December
Rönninge, Sweden
  • Average wind speed in December: 18.9km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).

Average humidity in December - Rönninge, Sweden
Average humidity in December
Rönninge, Sweden
  • Average humidity in December: 87%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (72%).

Average rainfall in December - Rönninge, Sweden
Average rainfall in December
Rönninge, Sweden
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December - Rönninge, Sweden
Average rainfall days in December
Rönninge, Sweden
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in December - Rönninge, Sweden
Average snowfall in December
Rönninge, Sweden
  • Average snowfall in December: 77mm

The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Rönninge, Sweden
Average snowfall days in December
Rönninge, Sweden
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Rönninge, Sweden
Average daylight in December /
Average sunshine in December
Rönninge, Sweden
  • Average daylight in December: 6h and 2min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in December - Rönninge, Sweden
Average sunshine days in December
Rönninge, Sweden
  • Average sunshine days in December: 13 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (11.9 days).

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

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

Average cloud cover in December - Rönninge, Sweden
Average cloud cover in December
Rönninge, Sweden
  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 37).

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

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

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