Cool
Average highs are around 1°C, so pack for cooler days.
December verdict
Tromso, Norway in December
Weather score13Poor
Poor for holiday weather
Average highs are around 1°C, so pack for cooler days. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 99mm, so some wet days are possible.
December weather
Monthly averages
Temp
1°C
Rain
99mm
Sun
0h
Sea
6°C
Weather score
13
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 99mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 6°C, so the water can feel cool.
Map
Weather map
Compare Tromso, Norway with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December1°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
December99mm average rain
December is wetter than Tromso's yearly average, so flexible plans matter more.
Driest monthsMarch to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is one of Tromso's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December6°C average sea
December is below Tromso's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 10°C in this stretch, so swimming comfort is at its strongest.
Weather score
December13 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.
