Trondheim
October
Weather in Trondheim for October 2025
Your guide to Trondheim weather in October - trends and predictions
In general, the average temperature in Trondheim at the beginning of October is 8.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.4 °C by the end of October.
Expect significant rainfall in Trondheim during October, with an average of 19 rainy days.
Is October a good time to visit Trondheim? check out the best time to travel to Trondheim page.
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12
Dry days
19
Rainy days
0
Snow days
5°/0°
Temperatures
15 km/h
Avg max wind
80 %
Avg humidity
Trondheim in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2 11° | 3  11° | 4  9° | 5 8° | ||
| 6 6° | 7  6° | 8 8° | 9 7° | 10 6° | 11  7° | 12 6° |
| 13 6° | 14 6° | 15 6° | 16 6° | 17 7° | 18 8° | 19  6° |
| 20 7° | 21 8° | 22  6° | 23 7° | 24  8° | 25 6° | 26 7° |
| 27 6° | 28 3° | 29 4° | 30 2° | 31 3° |
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Temperatures trend during October in Trondheim
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. | Light rain shower | 9° /6° | 4.8 mm | 0 cm | |
| 2 Oct. | Light rain shower | 11° /4° | 2.1 mm | 0 cm | |
| 3 Oct. | Light drizzle | 11° /6° | 0.9 mm | 0 cm | |
| 4 Oct. | Moderate or heavy rain with thunder | 9° /5° | 6.1 mm | 0 cm | |
| 5 Oct. | Patchy rain possible | 8° /3° | 1 mm | 0 cm | |
| 6 Oct. | Light drizzle | 6° /2° | 6 mm | 0 cm | |
| 7 Oct. | Light sleet showers | 6° /1° | 6.6 mm | 0 cm | |
| 8 Oct. | Light rain shower | 8° /3° | 5.6 mm | 0 cm | |
| 9 Oct. | Light rain | 7° /1° | 8.5 mm | 0 cm | |
| 10 Oct. | Light drizzle | 6° /1° | 11.2 mm | 0 cm | |
| 11 Oct. | Thundery outbreaks possible | 7° /1° | 4.2 mm | 0.3 cm | |
| 12 Oct. | Light rain shower | 6° /0° | 11.3 mm | 0.1 cm | |
| 13 Oct. | Patchy rain possible | 6° /2° | 4.5 mm | 0 cm | |
| 14 Oct. | Light rain shower | 6° /1° | 16.9 mm | 0 cm | |
| 15 Oct. | Light rain shower | 6° /1° | 5.7 mm | 0 cm | |
| 16 Oct. | Light sleet showers | 6° /1° | 10.6 mm | 0 cm | |
| 17 Oct. | Moderate or heavy rain with thunder | 7° /2° | 7.8 mm | 0 cm | |
| 18 Oct. | Patchy rain possible | 8° /0° | 0.2 mm | 0 cm | |
| 19 Oct. | Sunny | 6° /0° | 0 mm | 0 cm | |
| 20 Oct. | Sunny | 7° /2° | 0 mm | 0 cm | |
| 21 Oct. | Sunny | 8° /1° | 1.4 mm | 0 cm | |
| 22 Oct. | Overcast | 6° /1° | 3 mm | 0 cm | |
| 23 Oct. | Light drizzle | 7° /2° | 7.9 mm | 0 cm | |
| 24 Oct. | Cloudy | 8° /3° | 2.2 mm | 0 cm | |
| 25 Oct. | Overcast | 6° /2° | 0 mm | 0 cm | |
| 26 Oct. | Overcast | 7° /2° | 0 mm | 0 cm | |
| 27 Oct. | Sunny | 6° /1° | 0.6 mm | 0 cm | |
| 28 Oct. | Sunny | 3° /-1° | 3.6 mm | 1.1 cm | |
| 29 Oct. | Cloudy | 4° /-3° | 1.8 mm | 0.1 cm | |
| 30 Oct. | Sunny | 2° /-1° | 11.6 mm | 0 cm | |
| 31 Oct. | Sunny | 3° /-2° | 21.2 mm | 0 cm | |
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Important Notice
Our weather forecast for Trondheim in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Trondheim forecast closer to your planned date for the most up-to-date weather information.
Trondheim in October - FAQ
What are the expected maximum and minimum temperatures in Trondheim during October?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Trondheim during October?
Significant rainfall exceeding 163.8 mm is expected in Trondheim during October, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Trondheim during October?
Trondheim experiences an average snowfall of 0 cm during October, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Trondheim during October?
The average wind speed in Trondheim during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Trondheim in October?
As you prepare for your trip to Trondheim in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Trondheim, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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