December weather forecastBlönduós, Iceland
December
Weather in December
December is a cold and snowy month in Blönduós, with temperatures falling to an average low of -4°C (24.8°F). There is also a significant increase in snowfall, peaking at 84mm (3.31"). This paints the entire city of Blönduós with a typical winter landscape, perfect for festive activities. Despite the shortened daylight hours, the city’s holiday vibes offer festive lights that more than make up for the lack of natural light. Bundle up and embrace the wintry weather, as the year ends with icy trails and snowcapped scenes.Temperature
Temperature records in Blönduós mark December as the coldest month, with highs averaging -0.5°C (31.1°F) and lows at -4°C (24.8°F).Humidity
The average relative humidity in December in Blönduós is 84%.Rainfall
In Blönduós, in December, during 5.9 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 116.7 rainfall days, and 320mm (12.6") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Blönduós, in December, snow falls for 9.7 days, with typically accumulated 84mm (3.31") of snow. In Blönduós, during the entire year, snow falls for 68.5 days and aggregates up to 512mm (20.16") of snow.Daylight
With an average of 3h and 24min of daylight, December has the shortest days of the year in Blönduós.On the first day of December in Blönduós, sunrise is at 11:03 and sunset at 15:17. On the last day of the month, sunrise is at 11:41 and sunset at 15:07 GMT.
Sunshine
In Blönduós, the average sunshine in December is 1.9h.UV index
The months with the lowest UV index in Blönduós are March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Blönduós, Iceland
- Average high temperature in December: -0.5°C
The warmest month (with the highest average high temperature) is July (11.8°C).
The month with the lowest average high temperature is December (-0.5°C).
- Average low temperature in December: -4°C
The month with the highest average low temperature is July (7.4°C).
The coldest month (with the lowest average low temperature) is December (-4°C).
Average pressure in December
Blönduós, Iceland
- Average pressure in December: 999.8mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is January (998mbar).
Average wind speed in December
Blönduós, Iceland
- Average wind speed in December: 22km/h
The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in December
Blönduós, Iceland
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in December
Blönduós, Iceland
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is September (43mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days in December
Blönduós, Iceland
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Blönduós, Iceland
- Average snowfall in December: 84mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Blönduós, Iceland
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in December /
Average sunshine in December
Blönduós, Iceland
- Average daylight in December: 3h and 24min
The month with the longest days is June (Average daylight: 22h and 42min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in December: 1h and 54min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 0h and 42min).
Average sunshine days in December
Blönduós, Iceland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is June (15.8 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Blönduós, Iceland
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 3).
The months with the lowest UV index are March, October, November and December (UV index 1).
Average cloud cover in December
Blönduós, Iceland
- Average cloud cover in December: 64
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 55).
Average visibility in December
Blönduós, 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).
