Weather in Trondheim in January 2025
- January is usually the coldest month of the year in Trondheim;
Average weather
Average temperature in Trondheim in January
Going from a maximum of +8°C during the day to a minimum of -13°C during the night, the temperature in January averages around +2°C.
The average maximum temperature goes down 24% by the end of the month, compared with the beginning of the month, from +2°C to -3°C.
Is Trondheim warm or cold in January?
Trondheim is typically cool in January.
Maximum temperatures go down compared to the previous month from +1°C to 0°C. The minimum temperature also goes down from -4°C to -5°C.
Pack a sweater and a jacket as there will be cooler temperatures.
January is the coldest month in Trondheim, here is the comparison with other months:
Climate in Trondheim in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +1°C | 0°C | +1°C | ||||
| Min. temperature | ||||||
| -22°C | -33°C | -28°C | ||||
| Max. temperature | ||||||
| +13°C | +12°C | +12°C | ||||
| Rainfall | ||||||
| 59 mm | 48 mm | 39 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 79% | 78% | 77% | ||||
| Air pressure | ||||||
| 1004 HPa | 1005 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 19 | 19 | 17 | ||||
| Rainy days | ||||||
| 5 | 4 | 3 | ||||
| Snowy days | ||||||
| 5 | 6 | 6 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +1°C in the day, the average maximum temperature lowers to 0°C. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 48 mm. It feels drier, as humidity decreases from 79% to 78%. The average wind speed doesn’t change much during January, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Trondheim is gradually decreasing during January, going from 2 m/s to 1 m/s over the course of the month.
Rain
Snow
January is one of the snowiest months in Trondheim.
Here’s how January is compared with other months in the amount of snow, total mm:
How was the weather last January in Trondheim?
Climate Change over Years
The climate in Trondheim in January has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (-4°C) and the highest in 2020 (+7°C). The driest year was 1979 with only 0 mm of rainfall, and the wettest year was 1986 with 0 mm.
FAQ
Is January a good time to visit Trondheim?
Can you sunbathe in Trondheim in January?
Is Trondheim rainy in January?
Is it sunny in Trondheim in January?
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, 2022.
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.