December weather forecastYtterån, Sweden

December weather forecast for Ytterån, Sweden: December, the first month of the winter in Ytterån, is still a freezing cold month, with temperature in the range of an average high of -3.5°C (25.7°F) and an average low of -7.5°C (18.5°F). In Ytterån, in December, during 15.3 snowfall days, 203mm (7.99") of snow is typically accumulated.

December

Weather in December

December, the first month of the winter in Ytterån, is still a freezing cold month, with temperature in the range of an average high of -3.5°C (25.7°F) and an average low of -7.5°C (18.5°F).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from -0.4°C (31.3°F) in November to a still freezing cold -3.5°C (25.7°F). During the nights of December, Ytterån records an average low-temperature of -7.5°C (18.5°F), reflecting a modest decrease from daytime highs.

Humidity

In Ytterån, the average relative humidity in December is 90%.

Rainfall

In December, in Ytterån, the rain falls for 6.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 119.1 rainfall days, and 401mm (15.79") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Ytterån, in December, during 15.3 snowfall days, 203mm (7.99") of snow is typically accumulated. Throughout the year, there are 85 snowfall days, and 1046mm (41.18") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 4h and 48min of daylight.
On the first day of December, sunrise is at 09:11 and sunset at 14:33. On the last day of the month, sunrise is at 09:42 and sunset at 14:30 CET.

Sunshine

December has the least sunshine of the year, with an average of 1.5h of sunshine.

UV index

The months with the lowest UV index 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 unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

December temperatures vary between a high-temperature of -3.5°C (25.7°F) and a low-temperature of -7.5°C (18.5°F).

In Ytterån, the average relative humidity in December is 90%.

In December, in Ytterån, the rain falls for 6.3 days. Throughout December, 34mm (1.34") of precipitation is accumulated.

In Ytterån, during December, snow falls for 15.3 days and regularly aggregates up to 203mm (7.99") of snow.

December has the shortest days of the year in Ytterån, with an average of 4h and 48min of daylight.

In December, the average day length is 4h and 47min.

In December, on the first day of the month, sunrise is at 09:11 and sunset at 14:33. On the last day of the month, in Ytterån, sunrise is at 09:42 and sunset at 14:30 CET.

The month with the least sunshine is December, with an average of 1.5h of sunshine.

The average sunshine duration in December is 1.5h.

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ytterån, Sweden

  • Average high temperature in December: -3.5°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 (-5.3°C).

  • Average low temperature in December: -7.5°C

The month with the highest average low temperature is July (9.6°C).
The coldest month (with the lowest average low temperature) is February (-9.9°C).

Average pressure in December
Ytterån, Sweden

  • Average pressure in December: 1005.7mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

Average wind speed in December
Ytterån, Sweden

  • Average wind speed in December: 13.6km/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 (11.5km/h).

Average humidity in December
Ytterån, Sweden

  • Average humidity in December: 90%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is June (67%).

Average rainfall in December
Ytterån, Sweden

  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are February and April (20mm).

Average rainfall days in December
Ytterån, Sweden

  • Average rainfall days in December: 6.3 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in December
Ytterån, Sweden

  • Average snowfall in December: 203mm

The month with the highest snowfall is January (211mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Ytterån, Sweden

  • Average snowfall days in December: 15.3 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Ytterån, Sweden

  • Average daylight in December: 4h and 48min

The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).

  • Average sunshine in December: 1h and 30min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average sunshine days in December
Ytterån, Sweden

  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is December (12.2 days).

Average UV index in December
Ytterån, Sweden

  • Average UV index in December: 1

The months with the highest UV index are May, 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
Ytterån, Sweden

  • Average cloud cover in December: 62

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 45).

Average visibility in December
Ytterån, 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).