December weather forecastBollmora, Sweden
December
Weather in December
December, the first month of the winter in Bollmora, is still a cold month, with an average temperature fluctuating between 2.3°C (36.1°F) and -0.5°C (31.1°F).Temperature
In Bollmora, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cold 5.7°C (42.3°F) to a still wintry 2.3°C (36.1°F). In December, a low-temperature average of -0.5°C (31.1°F) is characteristic of Bollmora, marking a minor shift from daytime temperatures.Humidity
In December, the average relative humidity is 85%.Rainfall
In Bollmora, Sweden, in December, during 6.6 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, there are 88.9 rainfall days, and 116mm (4.57") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Bollmora, in December, during 8 snowfall days, 18mm (0.71") of snow is typically accumulated. In Bollmora, Sweden, during the entire year, snow falls for 38.5 days and aggregates up to 78mm (3.07") of snow.Daylight
The month with the shortest days in Bollmora is December, with an average of 6h and 18min of daylight.On the first day of December, sunrise is at 08:16 and sunset at 14:55. On the last day of the month, sunrise is at 08:42 and sunset at 14:58 CET.
Sunshine
The month with the least sunshine in Bollmora is December, with an average of 2.5h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bollmora, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in December
Bollmora, Sweden
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Bollmora, Sweden
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Bollmora, Sweden
- Average humidity in December: 85%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Bollmora, Sweden
- Average rainfall in December: 11mm
The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in December
Bollmora, Sweden
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Bollmora, Sweden
- Average snowfall in December: 18mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bollmora, Sweden
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bollmora, Sweden
- Average daylight in December: 6h and 18min
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 18min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in December
Bollmora, Sweden
- Average sunshine days in December: 14.4 days
The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).
Average UV index in December
Bollmora, 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
Bollmora, Sweden
- Average cloud cover in December: 64
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Bollmora, 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).
