December weather forecastKummelnäs, Sweden
December
Weather in December
December, the first month of the winter in Kummelnäs, is still a cold month, with an average temperature ranging between min -0.8°C (30.6°F) and max 1.9°C (35.4°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's 5.5°C (41.9°F) to a still cold 1.9°C (35.4°F). During the month of December, Kummelnäs's average nighttime temperature closely mirrors its daytime counterpart, at a freezing cold -0.8°C (30.6°F).Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Kummelnäs, in December, it is raining for 7.9 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, there are 98.4 rainfall days, and 140mm (5.51") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Kummelnäs, in December, snow falls for 9.1 days, with typically accumulated 23mm (0.91") of snow. In Kummelnäs, during the entire year, snow falls for 42.5 days and aggregates up to 107mm (4.21") of snow.Sea temperature
In December, the average sea temperature is 4.8°C (40.6°F).Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. The cold water elicits sharp pain and instant hyperventilation. A specialized swimsuit is crucial to mitigate thermal detriment.
Daylight
The month with the shortest days in Kummelnäs, Sweden, is December, with an average of 6h and 12min of daylight.On the first day of the month, sunrise is at 08:17 and sunset at 14:54. On the last day of December, sunrise is at 08:43 and sunset at 14:56 CET.
Sunshine
The month with the least sunshine is December, with an average of 2.5h of sunshine.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kummelnäs, Sweden
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -0.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Kummelnäs, Sweden
- Average pressure in December: 1007.8mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in December
Kummelnäs, Sweden
- Average wind speed in December: 21.8km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity in December
Kummelnäs, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Kummelnäs, Sweden
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is July (18mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in December
Kummelnäs, Sweden
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (11.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Kummelnäs, Sweden
- Average snowfall in December: 23mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kummelnäs, Sweden
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Kummelnäs, Sweden
- Average sea temperature in December: 4.8°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in December /
Average sunshine in December
Kummelnäs, Sweden
- Average daylight in December: 6h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in December: 2h and 30min
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 30min).
Average sunshine days in December
Kummelnäs, Sweden
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is April (20.8 days).
The month with the least sunshine days is December (14.6 days).
Average UV index in December
Kummelnäs, Sweden
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Kummelnäs, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Kummelnäs, 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).
