Cool
Average highs are around -4°C, so pack for cooler days.
December verdict
Jan Mayen, Norway in December
Weather score14Poor
Poor for holiday weather
Average highs are around -4°C, so pack for cooler days. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 82mm, so some wet days are possible.
December weather
Monthly averages
Temp
-4°C
Rain
82mm
Sun
0h
Sea
2°C
Weather score
14
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 82mm, 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 2°C, so the water can feel cool.
Map
Weather map
Compare Jan Mayen, Norway with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December-4°C average high
December is on the cooler side of Jan Mayen's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
December82mm average rain
December is wetter than Jan Mayen's yearly average, so flexible plans matter more.
Driest monthsFebruary 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 Jan Mayen's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December2°C average sea
December is below Jan Mayen's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 5°C in this stretch, so swimming comfort is at its strongest.
Weather score
December14 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.