Weather in Trondheim in December 2024
- December is usually the wettest month of the year in Trondheim;
Average weather
Average temperature in Trondheim in December
The temperature in December is -3°C on average, with a range between a maximum of +8°C during the day and a minimum of -17°C at night.
The average maximum temperature goes up 28% by the end of the month, compared with the beginning of the month, from -8°C to -1°C.
Is Trondheim warm or cold in December?
Trondheim is typically cool in December.
Maximum temperatures go down compared to the previous month from +4°C to +1°C. The minimum temperature also goes down from -1°C to -4°C.
Pack a sweater and a jacket as there will be cooler temperatures.
December is one of the coolest months in Trondheim, here is the comparison with other months:
Water temperature in Trondheim in December
Water in Trondheim in December is Cold. It varies from +5°C to +9°C, with an average of +7°C. Note that the air temperature is lower than the water temperature, averaging around +1°C.
In December, water temperatures are average relative to the rest of the year:
Can you swim in Trondheim in December?
Climate in Trondheim in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +4°C | +1°C | 0°C | ||||
| Min. temperature | ||||||
| -18°C | -22°C | -33°C | ||||
| Max. temperature | ||||||
| +16°C | +13°C | +12°C | ||||
| Rainfall | ||||||
| 62 mm | 59 mm | 49 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +9°C | +7°C | +6°C | ||||
| Humidity | ||||||
| 80% | 80% | 79% | ||||
| Air pressure | ||||||
| 1006 HPa | 1005 HPa | 1005 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 9 | 10 | 9 | ||||
| Rainy days | ||||||
| 9 | 5 | 4 | ||||
| Snowy days | ||||||
| 10 | 14 | 16 | ||||
December weather is still as ok as in November. It’s getting colder in December. From +4°C in the day, the average maximum temperature lowers to +1°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 62 mm to 59 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during December, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Trondheim is gradually increasing during December, going from 1 m/s to 3 m/s over the course of the month.
Rain
Snow
December is one of the snowiest months in Trondheim.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Trondheim?
Climate Change over Years
The climate in Trondheim in December has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+7°C) and the highest in 2014 (+11°C). The driest year was 2002 with only 617 mm of rainfall, and the wettest year was 2007 with 1311 mm.
FAQ
Is December a good time to visit Trondheim?
Can you sunbathe in Trondheim in December?
Can you swim in Trondheim in December?
Is Trondheim rainy in December?
Is it sunny in Trondheim in December?
Other cities in Norway
Monthly weather in Trondheim
Source of the data
For this page, we’ve looked at the typical weather in Trondheim, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.