December weather forecast
Ervasteby, Sweden

December

Weather in December

December, the first month of the winter in Ervasteby, is also a wintry month, with an average temperature varying between 1.7°C (35.1°F) and -1.1°C (30°F).

Temperature

In Ervasteby, entering December brings a subtle temperature decrement, reducing from November's icy 5.4°C (41.7°F) to a still cold 1.7°C (35.1°F). Ervasteby nights in December witness a mild cool down to an average temperature of -1.1°C (30°F).

Humidity

In December, the average relative humidity is 88%.

Rainfall

In Ervasteby, in December, it is raining for 5.8 days, with typically 13mm (0.51") of accumulated precipitation. In Ervasteby, during the entire year, the rain falls for 99.7 days and collects up to 174mm (6.85") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Ervasteby, in December, snow falls for 8.6 days, with typically accumulated 24mm (0.94") of snow. In Ervasteby, during the entire year, snow falls for 40.7 days and aggregates up to 137mm (5.39") of snow.

Daylight

The month with the shortest days in Ervasteby is December, with an average of 6h and 24min of daylight.
On the first day of December in Ervasteby, sunrise is at 08:24 and sunset at 15:13. On the last day of the month, sunrise is at 08:49 and sunset at 15:16 CET.

Sunshine

The months with the least sunshine in Ervasteby are February and December, with an average of 3.1h of sunshine.

UV index

In Ervasteby, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is it in Ervasteby in December?
The high-temperature, in December, in Ervasteby, is 1.7°C (35.1°F), while the low-temperature averages to -1.1°C (30°F).
What is the average humidity in December in Ervasteby?
In Ervasteby, Sweden, the average relative humidity in December is 88%.
How much does it rain in Ervasteby in December?
In Ervasteby, during December, the rain falls for 5.8 days and regularly aggregates up to 13mm (0.51") of precipitation.
How much does it snow in Ervasteby in December?
In December, in Ervasteby, Sweden, it is snowing for 8.6 days. Throughout December, 24mm (0.94") of snow is accumulated.
What is the month with the shortest days in Ervasteby?
December has the shortest days of the year in Ervasteby, with an average of 6h and 24min of daylight.
How many hours of daylight does Ervasteby have in December?
In Ervasteby, Sweden, the average day length in December is 6h and 27min.
When are sunrise and sunset in December in Ervasteby?
On the first day of December in Ervasteby, Sweden, sunrise is at 08:24 and sunset at 15:13. On the last day of the month, sunrise is at 08:49 and sunset at 15:16 CET.
What is the month with the least sunshine in Ervasteby?
The months with the least sunshine in Ervasteby are February and December, with an average of 3.1h of sunshine.
How many hours of sunshine does Ervasteby have in December?
In December, the average sunshine duration in Ervasteby is 3.1h.
How high is the UV index in December in Ervasteby?
In December, the average daily maximum UV index in Ervasteby is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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 - Ervasteby, Sweden
Average temperature in December
Ervasteby, Sweden
  • Average high temperature in December: 1.7°C

The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-0.2°C).

  • Average low temperature in December: -1.1°C

The month with the highest average low temperature is July (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-3°C).

Average pressure in December - Ervasteby, Sweden
Average pressure in December
Ervasteby, Sweden
  • Average pressure in December: 1008.6mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).

Average wind speed in December - Ervasteby, Sweden
Average wind speed in December
Ervasteby, Sweden
  • Average wind speed in December: 17.1km/h

The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is May (12.7km/h).

Average humidity in December - Ervasteby, Sweden
Average humidity in December
Ervasteby, Sweden
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December - Ervasteby, Sweden
Average rainfall in December
Ervasteby, Sweden
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (6mm).

Average rainfall days in December - Ervasteby, Sweden
Average rainfall days in December
Ervasteby, Sweden
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in December - Ervasteby, Sweden
Average snowfall in December
Ervasteby, Sweden
  • Average snowfall in December: 24mm

The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Ervasteby, Sweden
Average snowfall days in December
Ervasteby, Sweden
  • Average snowfall days in December: 8.6 days

The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Ervasteby, Sweden
Average daylight in December /
Average sunshine in December
Ervasteby, Sweden
  • Average daylight in December: 6h and 2min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 6min).

Average sunshine days in December - Ervasteby, Sweden
Average sunshine days in December
Ervasteby, Sweden
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is April (19.6 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in December - Ervasteby, Sweden
Average UV index in December
Ervasteby, 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 - Ervasteby, Sweden
Average cloud cover in December
Ervasteby, Sweden
  • Average cloud cover in December: 69

The months with the most cloud cover are February and December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 41).

Average visibility in December - Ervasteby, Sweden
Average visibility in December
Ervasteby, Sweden
  • Average visibility in December: 9km

The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (8km).

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