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
December's onset brings a negligible change in high-temperatures, falling from a chilly 6.9°C (44.4°F) in November to a wintry 3.3°C (37.9°F). An average low-temperature of 0.5°C (32.9°F) characterizes Kalmar's December nights.Humidity
January, February, November and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Kalmar, in December, during 10.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 127.2 rainfall days, and 299mm (11.77") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Kalmar, Sweden, in December, during 7.7 snowfall days, 49mm (1.93") of snow is typically accumulated. In Kalmar, during the entire year, snow falls for 40.5 days and aggregates up to 250mm (9.84") of snow.Sea temperature
In Kalmar, in December, the average water temperature is 4.8°C (40.6°F).Note: While swimming, this is deemed life-threatening and exceptionally hazardous. The icy water induces intense pain and causes swift hyperventilation. Employing a specialized swimsuit is required to offset thermal harm.
Daylight
The month with the shortest days in Kalmar is December, with an average of 6h and 54min of daylight.On the first day of the month, sunrise is at 08:06 and sunset at 15:21. On the last day of December, sunrise is at 08:30 and sunset at 15:25 CET.
Sunshine
In December, the average sunshine is 3.5h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Kalmar?
What is the most humid month in Kalmar?
What is the average humidity in December in Kalmar?
How much does it rain in Kalmar in December?
How many days does it snow in December in Kalmar?
How cold is the water in December in Kalmar?
What is the month with the shortest days in Kalmar?
What is the average length of the day in December in Kalmar?
When are sunrise and sunset in December in Kalmar?
How many hours of sunshine does Kalmar have in December?
What is the UV index intensity in December in Kalmar?
Average temperature in December
Kalmar, Sweden
- Average high temperature in December: 3.3°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in December: 0.5°C
The month with the highest average low temperature is July (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in December
Kalmar, Sweden
- Average pressure in December: 1010.2mbar
The months with the highest atmospheric pressure are April and May (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in December
Kalmar, Sweden
- Average wind speed in December: 18.8km/h
The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is May (14.1km/h).
Average humidity in December
Kalmar, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February, November and December (86%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in December
Kalmar, Sweden
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in December
Kalmar, Sweden
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Kalmar, Sweden
- Average snowfall in December: 49mm
The month with the highest snowfall is February (84mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Kalmar, Sweden
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Kalmar, Sweden
- Average sea temperature in December: 4.8°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).
Average daylight in December /
Average sunshine in December
Kalmar, Sweden
- Average daylight in December: 6h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Kalmar, Sweden
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in December
Kalmar, 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).
Average cloud cover in December
Kalmar, Sweden
- Average cloud cover in December: 65
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Kalmar, 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).
