December weather forecastDalvik, Iceland
December
Weather in December
Dalvik's December is characterized by the full reign of winter, with temperatures dropping to -3.8°C (25.2°F) at their highest and plummeting to a biting -9.1°C (15.6°F) at the bottom end. With the landscape blanketed in snow, December becomes home to winter-specific events and activities. Shortest daylight hours combined with frequent snowfall creates the perfect conditions for winter sports enthusiasts. The city glows with festive decorations to celebrate the holiday season, providing a stark contrast with the freezing temperatures outside. However, the abundance of snow, frequent snowstorms, and heavy cloud cover signify the intense winter months that await.Temperature
December, recording an average high temperature of -3.8°C (25.2°F) and a low temperature of -9.1°C (15.6°F), is Dalvik's coldest month.Humidity
The months with the highest humidity in Dalvik are January through March and December, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall in Dalvik. Rain falls for 9.7 days and accumulates 115mm (4.53") of precipitation.Snowfall
January through June, September through December are months with snowfall in Dalvik, Iceland. The month with the most snowfall is December, when snow falls for 18.7 days and typically aggregates up to 511mm (20.12") of snow.Sea temperature
In Dalvik, in December, the average water temperature is 4.8°C (40.6°F).Note: In the realm of swimming, this is an immediate threat to life. Total loss of control over breathing happens instantly, complicating clear thought processes. The necessity of a specialized swimsuit to restrict thermal loss is paramount.
Daylight
With an average of 3h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 11:02 and sunset at 15:04. On the last day of December, in Dalvik, sunrise is at 11:41 and sunset at 14:53 GMT.
Sunshine
In Dalvik, the average sunshine in December is 1.2h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dalvik, Iceland
- Average high temperature in December: -3.8°C
The warmest month (with the highest average high temperature) is July (11.1°C).
The month with the lowest average high temperature is December (-3.8°C).
- Average low temperature in December: -9.1°C
The month with the highest average low temperature is July (5.6°C).
The coldest month (with the lowest average low temperature) is December (-9.1°C).
Average pressure in December
Dalvik, Iceland
- Average pressure in December: 999.9mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is January (998.5mbar).
Average wind speed in December
Dalvik, Iceland
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in December
Dalvik, Iceland
- Average humidity in December: 91%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall in December
Dalvik, Iceland
- Average rainfall in December: 115mm
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days in December
Dalvik, Iceland
- Average rainfall days in December: 9.7 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Dalvik, Iceland
- Average snowfall in December: 511mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Dalvik, Iceland
- Average snowfall days in December: 18.7 days
The month with the highest number of snowfall days is March (20.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in December
Dalvik, Iceland
- Average sea temperature in December: 4.8°C
The best month for swimming (with the highest average sea temperature) is August (9.3°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in December /
Average sunshine in December
Dalvik, Iceland
- Average daylight in December: 3h and 12min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in December: 1h and 12min
The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 1h and 6min).
Average sunshine days in December
Dalvik, Iceland
- Average sunshine days in December: 6 days
The month with the most sunshine days is May (8.9 days).
The month with the least sunshine days is September (5.7 days).
Average UV index in December
Dalvik, Iceland
- Average UV index in December: 1
The months with the highest UV index are April, May, June, July, August and September (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Dalvik, Iceland
- Average cloud cover in December: 70
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility in December
Dalvik, Iceland
- Average visibility in December: 7km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).
