Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Lysekil's average high-temperature in December sits at a cold 4.5°C (40.1°F), showing little difference from the previous month. Nights in December exhibit a minor reduction to an average low temperature of 2.3°C (36.1°F).Humidity
In December, the average relative humidity is 82%.Rainfall
In Lysekil, during December, the rain falls for 15.7 days and regularly aggregates up to 47mm (1.85") of precipitation. Throughout the year, in Lysekil, there are 173.9 rainfall days, and 551mm (21.69") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Lysekil. In Lysekil, in December, snow falls for 3.5 days, with typically accumulated 16mm (0.63") of snow. In Lysekil, Sweden, during the entire year, snow falls for 20.7 days and aggregates up to 98mm (3.86") of snow.Sea temperature
In Lysekil, in December, the average water temperature is 6.2°C (43.2°F).Note: Swimming in 6.2°C (43.2°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.
Daylight
December has the shortest days of the year in Lysekil, with an average of 6h and 30min of daylight.On the first day of the month, sunrise is at 08:36 and sunset at 15:30. On the last day of December, in Lysekil, sunrise is at 09:01 and sunset at 15:33 CET.
Sunshine
December has the least sunshine of the year in Lysekil, Sweden, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Lysekil in December?
What is the average humidity in December in Lysekil?
How many days does it rain in December in Lysekil?
How many days does it snow in December in Lysekil?
How cold is the water in December in Lysekil?
What is the month with the shortest days in Lysekil?
What is the average length of the day in December in Lysekil?
What time are sunrise and sunset in December in Lysekil?
What is the month with the least sunshine in Lysekil?
How many hours of sunshine does Lysekil have in December?
What is the month with the lowest UV index in Lysekil?
What is the UV index intensity in December in Lysekil?
Average temperature in December
Lysekil, Sweden
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).
Average pressure in December
Lysekil, Sweden
- Average pressure in December: 1008.4mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Lysekil, Sweden
- Average wind speed in December: 27.6km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is June (19.1km/h).
Average humidity in December
Lysekil, Sweden
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Lysekil, Sweden
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Lysekil, Sweden
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Lysekil, Sweden
- Average snowfall in December: 16mm
The months with the highest snowfall are January and February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Lysekil, Sweden
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Lysekil, Sweden
- Average sea temperature in December: 6.2°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in December /
Average sunshine in December
Lysekil, Sweden
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Lysekil, Sweden
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is April (16.9 days).
The months with the least sunshine days are November and December (10.3 days).
Average UV index in December
Lysekil, 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, February, March, November and December (UV index 2).
Average cloud cover in December
Lysekil, Sweden
- Average cloud cover in December: 61
The months with the most cloud cover are February and November (Cloud cover 62).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in December
Lysekil, Sweden
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
