NorwayAverage weather for Tromsø in December
It's cold in December in Tromsø with an average temperature of 1°C. Temperatures this month range from a low of -1°C to a high of 2°C. At night, you can expect temperatures between -6°C and -1°C.
Start of December
The month of December starts in Tromsø with really cold temps, averaging around 2°C during the day and nights dipping to about -2°C. There are plenty of days with a good chance of precipitation. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
Mid December
By mid-December, daytime temps drop to around 1°C, with nights around -2°C. There’s a high chance of precipitation during this time. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
End of December
By the end of December, the average daytime temperature in Tromsø is around 1°C, while nighttime temps are about -4°C. A shower might pop up, but overall, the weather will be dry and sunny. Wear a heavy winter coat, sweater, long pants, beanie, and gloves.
Water temperature
The water temperature at Tromsø is 8°C this month. This is too cold to swim without protective gear.
In December, there is an average of 173 mm of precipitation, spread over 17 days. Of the total precipitation, about 79 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the South.
Tromsø in December |
New York | ||
|---|---|---|---|
 Average temperature |
1°C | 9°C | |
 Max. temperature |
2°C | 12°C | |
| Min. temperature |
-1°C | -5°C | |
 Total precipitation |
173 mm | 133 mm | |
| Rainy days |
17 days | 17 days | |
 Total snowfall |
79 cm | 9,7 cm | |
| Snowy days |
26 days | 3 days | |
November
Is December a good time to visit Tromsø?
Looking for sun? December isn’t a good month to be in Tromsø. There’s too much chance of rain this month.
Temperature records
With 10°C in 2016, Tromsø reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -9°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -27°C to a highest value of 5°C.
Check out the climate of Tromsø for all months and discover the best travel time
Curious about the weather in other parts of Norway? Check out the climate and weather for spots like Oslo, Lofoten, Vesterålen, or explore other destinations in Norway.
Daily Temperature in December in Tromsø
This chart shows the average daily high and low temperatures in December for Tromsø, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Tromsø
The chart below shows the average daily precipitation in December for Tromsø, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 17 days of precipitation in Tromsø.
Daily Snowfall in December in Tromsø
This chart shows the average daily snowfall in December in Tromsø, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in Tromsø
This chart shows the average daily UV index in December in Tromsø, 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.
Temperature in December in Tromsø over the years
This chart shows the average temperature in December in Tromsø, measured in degrees Celsius, over the past few years.
Total precipitation in December in Tromsø over the years
This chart shows the average precipitation in December in Tromsø, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Tromsø per year
This chart shows the average snowfall in December in Tromsø, measured in centimeters, over the past few years.
Daily weather in December for Tromsø
Click on any day in December to get detailed info about the usual weather on that day in Tromsø. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Tromsø
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Average weather in Tromsø by month
Click on a month below to see detailed weather info for Tromsø. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
