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
The expected average maximum temperature in January is +36°F with a maximum of +45°F and a minimum of +14°F.
The average maximum temperature goes up 12% by the end of the month, compared with the beginning of the month, from +30°F to +34°F.
Is Trondheim warm or cold in January?
Trondheim is typically chill in January.
Maximum temperatures go down compared to the previous month from +34°F to +32°F. The minimum temperature also goes down from +25°F to +23°F.
Pack a jumper and a jacket as there will be cooler temperatures.
January is the coldest month in Trondheim, here is the comparison with other months:
Water temperature in Trondheim in January
Water in Trondheim in January is Cold. It varies from +39°F to +47°F, with an average of +43°F. Note that the air temperature is lower than the water temperature, averaging around +32°F.
The water temperature in January is one of the coldest of the entire year:
Can you swim in Trondheim in January?
Climate in Trondheim in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +34°F | +32°F | +34°F | ||||
| Min. temperature | ||||||
| -8°F | -27°F | -18°F | ||||
| Max. temperature | ||||||
| +55°F | +54°F | +54°F | ||||
| Rainfall | ||||||
| 59 mm | 49 mm | 38 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +45°F | +43°F | +42°F | ||||
| Humidity | ||||||
| 80% | 79% | 78% | ||||
| Air pressure | ||||||
| 1005 HPa | 1005 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 10 | 9 | 8 | ||||
| Rainy days | ||||||
| 5 | 4 | 4 | ||||
| Snowy days | ||||||
| 14 | 16 | 14 | ||||
January weather is still as ok as in December. It’s getting colder in January. From +34°F in the day, the average maximum temperature lowers to +32°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 59 mm to 49 mm. It feels drier, as humidity decreases from 80% to 79%. 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 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 January, going from 1 m/s to 2 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 the Years
The climate in Trondheim in January has not changed that much over the last 43 years.
The average temperature was the lowest in 1981 (+45°F) and the highest in 2014 (+52°F). The driest year was 2002 with only 617 mm of rainfall, and the wettest year was 2007 with 1311 mm.
FAQ
Is January a good time to visit Trondheim?
Can you sunbathe in Trondheim in January?
Can you swim 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, 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.