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 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
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a freezing cold -0.2°C (31.6°F) to a still subzero cold -3.2°C (26.2°F). December introduces a small decrease to a nighttime average of -7.5°C (18.5°F).Humidity
In December, the average relative humidity in Optand, Sweden, is 90%.Rainfall
In Optand, Sweden, during December, the rain falls for 7.2 days and regularly aggregates up to 31mm (1.22") of precipitation. In Optand, during the entire year, the rain falls for 122.4 days and collects up to 377mm (14.84") of precipitation.Snowfall
January through May, September through December are months with snowfall in Optand. December is the month with the most snowfall. Snow falls for 16.3 days and accumulates 192mm (7.56") of snow.Daylight
The month with the shortest days is December, with an average of 4h and 54min of daylight.On the first day of the month, sunrise is at 09:07 and sunset at 14:32. On the last day of December, in Optand, Sweden, sunrise is at 09:37 and sunset at 14:30 CET.
Sunshine
The month with the least sunshine is December, with an average of 1.6h of sunshine.UV index
The months with the lowest UV index in Optand are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Optand in December?
What is the average humidity in December in Optand?
How many days does it rain in December in Optand?
What is the snowiest month in Optand?
How much does it snow in Optand in December?
What is the month with the shortest days in Optand?
What is the average length of the day in December in Optand?
When is the sunrise / sunset in December in Optand?
What is the month with the least sunshine in Optand?
How many hours of sunshine does Optand have in December?
When is the lowest UV index in Optand?
What is the UV index intensity in December in Optand?
Average temperature in December
Optand, Sweden
- Average high temperature in December: -3.2°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in December: -7.5°C
The month with the highest average low temperature is July (9.8°C).
The coldest months (with the lowest average low temperature) are January and February (-9.6°C).
Average pressure in December
Optand, Sweden
- Average pressure in December: 1005.8mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in December
Optand, Sweden
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is June (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in December
Optand, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (67%).
Average rainfall in December
Optand, Sweden
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in December
Optand, Sweden
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Optand, Sweden
- Average snowfall in December: 192mm
The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Optand, Sweden
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Optand, Sweden
- Average daylight in December: 4h and 5min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Optand, Sweden
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is December (11.4 days).
Average UV index in December
Optand, Sweden
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Optand, Sweden
- Average cloud cover in December: 62
The months with the most cloud cover are January and December (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in December
Optand, Sweden
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (7km).
