December weather forecastHesteyri, Iceland
December weather forecast for Hesteyri, Iceland: In Hesteyri, Iceland, during December, snow falls for 12.4 days and regularly aggregates up to 148mm (5.83") of snow. In Hesteyri, during December, the rain falls for 9.3 days and regularly aggregates up to 92mm (3.62") of precipitation.
December
Weather in December
December, the first month of the winter in Hesteyri, is also an icy month, with an average temperature varying between 0.2°C (32.4°F) and -2.9°C (26.8°F).Temperature
The weather during December records an average high-temperature of a still cold 0.2°C (32.4°F), closely mirroring the preceding month. December's average low-temperature is a freezing cold -2.9°C (26.8°F), reflecting a minor difference from the day's peak temperatures.Humidity
The average relative humidity in December is 84%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 92mm (3.62") of precipitation is accumulated. In Hesteyri, during the entire year, the rain falls for 169 days and collects up to 830mm (32.68") of precipitation.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 12.4 days. Throughout December, 148mm (5.83") of snow is accumulated. In Hesteyri, during the entire year, snow falls for 95.9 days and aggregates up to 999mm (39.33") of snow.Daylight
December has the shortest days of the year, with an average of 2h and 54min of daylight.On the first day of December, sunrise is at 11:26 and sunset at 15:14. On the last day of the month, sunrise is at 12:08 and sunset at 15:01 GMT.
Sunshine
In Hesteyri, the average sunshine in December is 0.9h.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hesteyri, Iceland
- Average high temperature in December: 0.2°C
The warmest month (with the highest average high temperature) is July (9.5°C).
The month with the lowest average high temperature is March (-0.2°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is March (-3°C).
Average pressure in December
Hesteyri, Iceland
- Average pressure in December: 999.8mbar
The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is January (997.4mbar).
Average wind speed in December
Hesteyri, Iceland
- Average wind speed in December: 29.6km/h
The windiest month (with the highest average wind speed) is December (29.6km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in December
Hesteyri, Iceland
- Average humidity in December: 84%
The months with the highest relative humidity are January, February, August, September and October (85%).
The months with the lowest relative humidity are May and June (82%).
Average rainfall in December
Hesteyri, Iceland
- Average rainfall in December: 92mm
The wettest month (with the highest rainfall) is January (101mm).
The driest month (with the least rainfall) is June (34mm).
Average rainfall days in December
Hesteyri, Iceland
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Hesteyri, Iceland
- Average snowfall in December: 148mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Hesteyri, Iceland
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is March (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Hesteyri, Iceland
- Average daylight in December: 2h and 54min
The month with the longest days is May (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 2h and 54min).
- Average sunshine in December: 0h and 54min
The month with the most sunshine is August (Average sunshine: 6h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in December
Hesteyri, Iceland
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is June (13.9 days).
The month with the least sunshine days is March (3.5 days).
Average UV index in December
Hesteyri, Iceland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Hesteyri, Iceland
- Average cloud cover in December: 74
The month with the most cloud cover is March (Cloud cover 79).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in December
Hesteyri, Iceland
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is March (7km).





