December weather forecast
Lomma, Sweden

December

Weather in December

December, the first month of the winter in Lomma, is also a wintry month, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 1.8°C (35.2°F).

Temperature

The arrival of December signals a subtle shift in temperature, down from a frosty 7.5°C (45.5°F) in November to a wintry 4.5°C (40.1°F). Lomma records a slight downturn in temperature to an average of 1.8°C (35.2°F) during December nights.

Humidity

January, February and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Lomma, in December, it is raining for 17.2 days, with typically 41mm (1.61") of accumulated precipitation. In Lomma, Sweden, during the entire year, the rain falls for 176.8 days and collects up to 433mm (17.05") of precipitation.

Snowfall

Months with snowfall in Lomma are January through April, November and December. In December, in Lomma, it is snowing for 7 days. Throughout December, 32mm (1.26") of snow is accumulated. In Lomma, Sweden, during the entire year, snow falls for 28.4 days and aggregates up to 131mm (5.16") of snow.

Sea temperature

In December, the average sea temperature in Lomma is 5.8°C (42.4°F).
Note: It is risky to swim in 5.8°C (42.4°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.

Daylight

December has the shortest days of the year, with an average of 7h and 6min of daylight.
On the first day of the month, sunrise is at 08:13 and sunset at 15:40. On the last day of December, in Lomma, sunrise is at 08:36 and sunset at 15:45 CET.

Sunshine

With an average of 2.9h of sunshine, December has the least sunshine of the year in Lomma.

UV index

In December, the average daily maximum UV index in Lomma is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

Is December cold in Lomma?
The high-temperature, in December, in Lomma, is 4.5°C (40.1°F), while the low-temperature averages to 1.8°C (35.2°F).
What is the most humid month in Lomma?
The months with the highest humidity are January, February and December, with an average relative humidity of 87%.
What is the average humidity in December in Lomma?
The average relative humidity in December in Lomma is 87%.
How many days does it rain in December in Lomma?
In Lomma, Sweden, in December, during 17.2 rainfall days, 41mm (1.61") of precipitation is typically accumulated.
How many days does it snow in December in Lomma?
In December, in Lomma, it is snowing for 7 days. Throughout December, 32mm (1.26") of snow is accumulated.
How cold is the water in December in Lomma?
In December, the average sea temperature 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 Lomma?
With an average of 7h and 6min of daylight, December has the shortest days of the year.
How many hours of daylight does Lomma have in December?
In December, the average day length in Lomma, Sweden, is 7h and 9min.
What time are sunrise and sunset in December in Lomma?
On the first day of December, sunrise is at 08:13 and sunset at 15:40. On the last day of the month, sunrise is at 08:36 and sunset at 15:45 CET.
What is the month with the least sunshine in Lomma?
The month with the least sunshine in Lomma is December, with an average of 2.9h of sunshine.
How many hours of sunshine does Lomma have in December?
In December, the average sunshine duration in Lomma, Sweden, is 2.9h.
What is the UV index intensity in December in Lomma?
In Lomma, Sweden, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Lomma, Sweden
Average temperature in December
Lomma, Sweden
  • Average high temperature in December: 4.5°C

The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in December: 1.8°C

The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.4°C).

Average pressure in December - Lomma, Sweden
Average pressure in December
Lomma, Sweden
  • Average pressure in December: 1011.2mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).

Average wind speed in December - Lomma, Sweden
Average wind speed in December
Lomma, Sweden
  • Average wind speed in December: 20.3km/h

The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).

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

The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April, May and June (74%).

Average rainfall in December - Lomma, Sweden
Average rainfall in December
Lomma, Sweden
  • Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in December - Lomma, Sweden
Average rainfall days in December
Lomma, Sweden
  • Average rainfall days in December: 17.2 days

The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in December - Lomma, Sweden
Average snowfall in December
Lomma, Sweden
  • Average snowfall in December: 32mm

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

Average snowfall days in December - Lomma, Sweden
Average snowfall days in December
Lomma, Sweden
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

The best month for swimming (with the highest average sea temperature) is August (17.7°C).
The coldest month (with the lowest average sea temperature) is February (2.4°C).

Average daylight in December / Average sunshine in December - Lomma, Sweden
Average daylight in December /
Average sunshine in December
Lomma, Sweden
  • Average daylight in December: 7h and 1min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in December - Lomma, Sweden
Average sunshine days in December
Lomma, Sweden
  • Average sunshine days in December: 6.3 days

The month with the most sunshine days is April (14.5 days).
The month with the least sunshine days is December (6.3 days).

Average UV index in December - Lomma, Sweden
Average UV index in December
Lomma, 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 - Lomma, Sweden
Average cloud cover in December
Lomma, Sweden
  • Average cloud cover in December: 72

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).

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

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

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