December weather forecastBorgarnes, Iceland
December
Weather in December
Rounding off the year, December plunges into full-fledged winter with cold, snowy conditions dominating the Borgarnes weather. Snowfall increases significantly in December, reaching a substantial amount of 61mm (2.4") to blanket the city in a winter wonderland. As Christmas approaches, the snow-covered landscapes and the beautifully lit Borgarnes city provide a perfect backdrop. Despite the extremely low temperatures and limited daylight, the spirit of festivity remains high. The weather might be unforgiving, but the winter charm of Borgarnes remains undeniably alluring.Temperature
The coldest month in Borgarnes is December, with an average high-temperature of 1.3°C (34.3°F) and an average low-temperature of -2.4°C (27.7°F).Humidity
In Borgarnes, Iceland, the average relative humidity in December is 81%.Rainfall
In Borgarnes, in December, it is raining for 9.7 days, with typically 35mm (1.38") of accumulated precipitation. In Borgarnes, Iceland, during the entire year, the rain falls for 166.2 days and collects up to 416mm (16.38") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Borgarnes, during December, snow falls for 6.3 days and regularly aggregates up to 61mm (2.4") of snow. Throughout the year, there are 41.1 snowfall days, and 309mm (12.17") of snow is accumulated.Sea temperature
In Borgarnes, the average seawater temperature in December is 6.2°C (43.2°F).Note: Swimming at temperatures less than 10°C (50°F) in 6.2°C (43.2°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
With an average of 4h and 12min of daylight, December has the shortest days of the year in Borgarnes.On the first day of December, sunrise is at 10:52 and sunset at 15:40. On the last day of the month, sunrise is at 11:26 and sunset at 15:35 GMT.
Sunshine
In December, the average sunshine in Borgarnes, Iceland, is 2.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Borgarnes, Iceland
- Average high temperature in December: 1.3°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in December: -2.4°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in December
Borgarnes, Iceland
- Average pressure in December: 998.4mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in December
Borgarnes, Iceland
- Average wind speed in December: 23.6km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in December
Borgarnes, Iceland
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Borgarnes, Iceland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in December
Borgarnes, Iceland
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in December
Borgarnes, Iceland
- Average snowfall in December: 61mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Borgarnes, Iceland
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Borgarnes, Iceland
- Average sea temperature in December: 6.2°C
The best month for swimming (with the highest average sea temperature) is August (10.8°C).
The coldest month (with the lowest average sea temperature) is March (4.1°C).
Average daylight in December /
Average sunshine in December
Borgarnes, Iceland
- Average daylight in December: 4h and 12min
The month with the longest days is June (Average daylight: 21h and 12min).
The month with the shortest days is December (Average daylight: 4h and 12min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Borgarnes, Iceland
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in December
Borgarnes, Iceland
- Average UV index in December: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Borgarnes, Iceland
- Average cloud cover in December: 60
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in December
Borgarnes, Iceland
- Average visibility in December: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
