Country Overview For Norway
The climate in Norway is typically temperate along coast, modified by North Atlantic Current; colder interior with increased precipitation and colder summers; rainy year-round on west coast. The terrain: glaciated; mostly high plateaus and rugged mountains broken by fertile valleys; small, scattered plains; coastline deeply indented by fjords; arctic tundra in north. For Oslo in January the daily average maximum temperatures is 1°C with the average minimum -5°C, while in June the average maximum is 20°C with a minimum of 11°C. The wettest month for Oslo is August with an average of 202.2mm of precipitation falling while the driest month is May with 33.0mm falling.
HISTORICAL MONTHLY AVERAGES FOR DECEMBER
The information presented below gives detailed historical monthly average weather conditions along with exceptional weather occurrences. To maintain relevance to current weather trends the displayed information has been calculated using data collected over the past two decades. The climate profile is taken from closest available data source to Roros.
Throughout the month of December daytime temperatures will generally reach highs of around -7°C that's about 19°F. At night the average minimum temperature drops down to around -12°C, that's 11°F.
In recent times the highest recorded temperature in December has been 7°C that's 45°F, with the lowest recorded temperature -40°C, about -40°F.
The average daily relative humidity for December is around 87%.
The Heat Index is a measure of how hot it feels when relative humidity is added to actual air temperature. From this a comfort level is calculated providing categories on how heat conditions might adversely affect someone.
Comfort Levels: Given average maximum temperatures and humidity levels generally you should not anticipate any discomfort from heat (see heat index for more information).
The average daily wind speed in December has been around 8 km/h, that’s the equivalent to about 5 mph, or 5 knots. In recent years the maximum sustained wind speed has reached 56 km/h, that’s the equivalent of around 35 mph, or 30 knots.
On average the month of December is affected by foggy conditions on 7 days.
YEARLY TRENDS: WEATHER AVERAGES & EXTREMES
The following charts show yearly weather trends with information on monthly weather averages and extremes.
The chart below plots the average high and low temperature for each month of the year. It also shows the maximum and minimum recorded temperatures.
The chart below plots the average number of days in any month that you can expect to see rain falling.
The chart below plots the average number of days in any month that you can expect to see snow falling.
The chart below plots the average daily wind speed you can expect for any month. It also shows the maximum recorded sustained wind speed for each month.