The rugged landscape of the Norwegian fjords
This landscape is rated as the most beautiful in the world and it is something you need to experience at least once in your life.
Trondheim Weather in October
Thinking of visiting Trondheim in October? Expect low temperatures reaching 9°C (48°F) during the day, dropping to 3°C (37°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Trondheim in October
Analyzing past climate data, one can expect approximately 23 days of rain, averaging 99 mm (3.9 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Trondheim in October
If you're visiting Trondheim in October, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Trondheim in October
The month brings about 118 hours of sunlight, offering a comfortable mix of sun and overcast.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit Trondheim. Our weather planner can help you explore destinations with more pleasant weather conditions.
Trondheim Temperature in October
Min Temperature
3°C (37°F)
Max Temperature
9°C (48°F)
Chance of Rain
77%
Precipitation
99 mm (3.9 in)
Rainy days
23 days
Humidity
82% *
Sunshine
118 hours *
Percentage Sunshine
*
* Data from: Trondheim, Norway (27 KM, 16 Miles).
Trondheim Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trondheim - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Trondheim typically drop from around 12°C (54°F) at the start of October to approximately 7°C (45°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 6°C (43°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Trondheim in October
Browse day-by-day weather records for Trondheim spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trondheim historical weather extremes in October
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Trondheim.
- The warmest day in October was on October 14, 2018, with a maximum of 22°C (72°F).
- On October 29, 2012, Trondheim saw its coldest October day with temperatures maxing out at -3°C (27°F).
- Nighttime temperatures dropped to -12°C (10°F) on October 16, 1993, marking the coldest October night on record.
Best Places in Norway in October
Find out more about the weather in Norway and which places have the best travel conditions in this month. See all of Norway in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Trondheim in October
Dress warmly and in layers for your trip to Trondheim in October. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Trondheim in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling4/10 -
Walking4/10 -
Camping4/10 -
Outdoor sports4/10
Trondheim 3-Day Forecast
More climate data for Trondheim
Temperature Rainfall Sunshine Humidity
See the full Trondheim climate overview or explore weather in Norway.
Popular in October
Where to go in October - average daytime high across popular destinations.
Kristiansand
12°C (54°F) Stavanger12°C (54°F) Bergen11°C (52°F) Reine
9°C (48°F) Trondheim9°C (48°F) Oslo9°C (48°F) Tromsø5°C (41°F) Hemsedal
5°C (41°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The rugged landscape of the Norwegian fjords
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