December weather forecast
Siglufjörður, Iceland

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Weather in December

December welcomes the heart of winter in Siglufjörður with daylight hours decreasing to their yearly low at 3 hours. Sea temperature is about 4.4°C (39.9°F), contributing to the overall cold atmospheric conditions distinctive of this month. Compared to November, December exhibits a pattern of significantly shorter days and colder temperatures. It's a spellbinding time when the entire town seems to hibernate under the snow, with twinkling Christmas lights lending a magical quality to the frosty landscape.

Sea temperature

In Siglufjörður, the average seawater temperature in December is 4.4°C (39.9°F).
Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.

Daylight

The month with the shortest days in Siglufjörður is December, with an average of 3h and 0min of daylight.
On the first day of the month, sunrise is at 11:07 and sunset at 15:02. On the last day of December, sunrise is at 11:47 and sunset at 14:50 GMT.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the water temperature in December in Siglufjörður?

In December, the average sea temperature in Siglufjörður, Iceland, is 4.4°C (39.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Siglufjörður?

With an average of 3h and 0min of daylight, December has the shortest days of the year in Siglufjörður, Iceland.

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

In Siglufjörður, Iceland, the average day length in December is 3h and 2min.

When is the sunrise / sunset in December in Siglufjörður?

On the first day of December in Siglufjörður, Iceland, sunrise is at 11:07 and sunset at 15:02. On the last day of the month, sunrise is at 11:47 and sunset at 14:50 GMT.

Average sea temperature in December
Siglufjörður, Iceland

Average sea temperature in December - Siglufjörður, Iceland
  • Average sea temperature in December: 4.4°C

The best month for swimming (with the highest average sea temperature) is August (9.2°C).
The coldest month (with the lowest average sea temperature) is February (1.9°C).

Average daylight in December
Siglufjörður, Iceland

Average daylight in December - Siglufjörður, Iceland
  • Average daylight in December: 3h and 0min

The month with the longest days is July (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 3h and 0min).

Siglufjörður, Iceland

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