December weather forecast and climate
Holmsund, Sweden

December, the first month of the winter, in Holmsund, is still a freezing cold month, with temperature in the range of an average high of -0.9°C (30.4°F) and an average low of -4°C (24.8°F).

Temperature

In Holmsund, the average high-temperature marginally drops, from a wintry 2.2°C (36°F) in November, to a freezing cold -0.9°C (30.4°F). The average low-temperature, in December, is -4°C (24.8°F).

Humidity

In December, the average relative humidity in Holmsund, Sweden, is 88%.

Rainfall

The month with the most rainfall in Holmsund is December when the rain falls for 8.2 days and typically aggregates up to 46mm (1.81") of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Holmsund, Sweden, in December, snow falls for 14.7 days, with typically accumulated 181mm (7.13") of snow. In Holmsund, during the entire year, snow falls for 84.8 days, and aggregates up to 915mm (36.02") of snow.

Sea temperature

In December, the average sea temperature in Holmsund is 3°C (37.4°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

December has the shortest days of the year in Holmsund, with an average of 4.6h of daylight.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Holmsund?

The average high-temperature, in December, in Holmsund, Sweden, is -0.9°C (30.4°F), while the average low-temperature is -4°C (24.8°F).

What is the average humidity in December in Holmsund?

The average relative humidity in December in Holmsund is 88%.

How many days does it rain in December in Holmsund?

In Holmsund, Sweden, in December, it is raining for 8.2 days, with typically 46mm (1.81") of accumulated precipitation.

What is the rainiest month in Holmsund?

The month with the most rainfall in Holmsund is December when the rain falls for 8.2 days and typically aggregates up to 46mm (1.81") of precipitation.

How many days does it snow in December in Holmsund?

In December, in Holmsund, Sweden, it is snowing for 14.7 days. Throughout December, 181mm (7.13") of snow is accumulated.

What is the sea temperature in December in Holmsund?

In December, the average sea temperature is 3°C (37.4°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the month with the shortest days in Holmsund?

With an average of 4.6h of daylight, December has the shortest days of the year in Holmsund, Sweden.

What is the average length of the day in December in Holmsund?

The average length of the day in December in Holmsund is 4.6h.

What is the month with the least sunshine in Holmsund?

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

How many hours of sunshine does Holmsund have in December?

In Holmsund, the average sunshine in December is 1.5h.

What is the month with the lowest UV index in Holmsund?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Holmsund.

How high is the UV index in December in Holmsund?

In Holmsund, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV radiation.
Average temperature in December - Holmsund, Sweden
  • Average high temperature in December: -0.9°C

The warmest month (with the highest average high temperature) is July (18.4°C).
Months with the lowest average high temperature are January and February (-3.5°C).

  • Average low temperature in December: -4°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-7.6°C).

Average pressure in December - Holmsund, Sweden
  • Average pressure in December: 1005.3mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).

Average wind speed in December - Holmsund, Sweden
  • Average wind speed in December: 17.8km/h

The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).

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

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (70%).

Average rainfall in December - Holmsund, Sweden
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in December - Holmsund, Sweden
  • Average rainfall days in December: 8.2 days

Months with the highest number of rainy days are July and August (14 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in December - Holmsund, Sweden
  • Average snowfall in December: 181mm

The month with the highest snowfall is March (199mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Holmsund, Sweden
  • Average snowfall days in December: 14.7 days

The month with the highest number of snowfall days is January (17.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December - Holmsund, Sweden
  • Average sea temperature in December: 3°C

The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.2°C).

Average daylight in December / Average sunshine in December - Holmsund, Sweden
  • Average daylight in December: 4.6h

The month with the longest days is June (Average daylight: 20.6h).
The month with the shortest days is December (Average daylight: 4.6h).

  • Average sunshine in December: 1.5h

The month with the most sunshine is June (Average sunshine: 13h).
The month with the least sunshine is December (Average sunshine: 1.5h).

Average sunshine days in December - Holmsund, Sweden
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is November (10.1 days).

Average UV index in December - Holmsund, Sweden
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December - Holmsund, Sweden
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 66).
Months with the least cloud cover are July and August (Cloud cover 38).

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

Months with the highest visibility are June, July and August (10km).
Months with the lowest visibility are January, February and March (8km).