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IcelandThe weather in December in Reykjavík
It's cold in December in Reykjavík with an average temperature of -2°C. Temperatures this month range from a low of -4°C to a high of 0°C. At night, you can expect temperatures between -10°C and -5°C.
Looking for sun? December isn’t a good month to be in Reykjavík. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Reykjavík, Iceland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 8°C in 2022, Reykjavík reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -15°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -21°C to a highest value of 5°C.
Water temperature
The water temperature at Reykjavík is 6°C this month. This is too cold to swim without protective gear.
Precipitation and snowfall
In December, there is an average of 100 mm of precipitation, spread over 12 days. Of the total precipitation, about 31 cm falls as snow in December. The wind speed is around 6 Bft, mostly coming from the Southeast.
Daily weather in December for Reykjavík
Click on any day in December to get detailed info about the usual weather on that day in Reykjavík. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Reykjavík | New York | |
|---|---|---|
| Average temperature | -2°C | 9°C |
| Max. temperature | 0°C | 12°C |
| Min. temperature | -10°C | -5°C |
| Total precipitation | 100 mm | 133 mm |
| Rainy days | 12 days | 17 days |
| Total snowfall | 31 cm | 9,7 cm |
| Snowy days | 15 days | 3 days |
Start of December
The month of December starts in Reykjavík with really cold temps, averaging around -2°C during the day and nights dipping to about -7°C.
Mid December
By mid-December, daytime temps rise to around -1°C, with nights around -6°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Reykjavík is around -2°C, while nighttime temps are about -8°C. A shower might pop up, but overall, the weather will be dry and sunny.
Find affordable trips to Reykjavík
Check out the climate of Reykjavík for all months and discover the best travel time
Curious about the weather in other parts of Iceland? Check out the climate and weather for spots like Vík, Húsavík, or explore other destinations in Iceland.
Temperature charts
These charts show the average temperatures in December in Reykjavík, Iceland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Reykjavík
Temperature in December in Reykjavík over the years
Precipitation charts
These charts show the average amount of precipitation in December in Reykjavík, Iceland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Reykjavík
Total precipitation in December in Reykjavík over the years
Daily Snowfall in December in Reykjavík
Snowfall in December in Reykjavík per year
Daily UV index in December in Reykjavík
This chart shows the average daily UV index in December in Reykjavík, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Reykjavík
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Average weather in Reykjavík by month
Click on a month below to see detailed weather info for Reykjavík. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.