Ísafjörður
Iceland
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Ísafjörður, Iceland

The first month of the winter, December, is also a wintry month in Ísafjörður, Iceland, with temperature in the range of an average low of -3.7°C (25.3°F) and an average high of 1.4°C (34.5°F).

Temperature

In Ísafjörður, the average high-temperature is almost the same as in November - a still cold 1.4°C (34.5°F). The average low-temperature, in December, is -3.7°C (25.3°F).

Rainfall

In Ísafjörður, in December, 98mm (3.9") of precipitation is typically accumulated. During the entire year, Ísafjörður aggregates up to 997mm (39.3") of precipitation.

Sea temperature

In December, the average sea temperature is 6°C (42.8°F).
Note: Swimming in 6°C (42.8°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days in Ísafjörður is December, with an average of 3.1h of daylight.

What is the temperature in December in Ísafjörður?

The average high-temperature, in December, in Ísafjörður, Iceland, is 1.4°C (34.5°F), while the average low-temperature is -3.7°C (25.3°F).

How much does it rain in Ísafjörður in December?

During December, Ísafjörður regularly aggregates up to 98mm (3.9") of precipitation.

How cold is the water in December in Ísafjörður?

In December, the average sea temperature in Ísafjörður is 6°C (42.8°F). Swimming in 6°C (42.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Ísafjörður?

The month with the shortest days in Ísafjörður is December, with an average of 3.1h of daylight.

How many hours of daylight does Ísafjörður have in December?

In December, the average length of the day in Ísafjörður, Iceland, is 3.1h.
Average temperature in December - Ísafjörður, Iceland
  • Average high temperature in December: 1.4°C

The warmest month (with the highest average high temperature) is July (12.3°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in December: -3.7°C

The month with the highest average low temperature is July (7.1°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average rainfall in December - Ísafjörður, Iceland
  • Average rainfall in December: 98mm

The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the lowest rainfall) is July (55mm).

Average sea temperature in December - Ísafjörður, Iceland
  • Average sea temperature in December: 6°C

The best month for swimming (with the highest average sea temperature) is July (8.7°C).
The coldest month (with the lowest average sea temperature) is March (2.7°C).

Average daylight in December - Ísafjörður, Iceland
  • Average daylight in December: 3.1h

The month with the longest days is June (Average daylight: 23.5h).
The month with shortest days is December (Average daylight: 3.1h).