Trondheim
August
Weather in Trondheim for August 2025
Your guide to Trondheim weather in August - trends and predictions
In general, the average temperature in Trondheim at the beginning of August is 18.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17 °C by the end of August.
Trondheim experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 137.7 mm.
Temperatures
Rain 🌧️
7
Dry days
24
Rainy days
0
Snow days
18°/10°
Temperatures
13 km/h
Avg max wind
79 %
Avg humidity
Trondheim in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  18° | 3 21° | ||||
| 4 18° | 5 19° | 6 19° | 7  17° | 8 20° | 9 19° | 10 15° |
| 11 13° | 12 16° | 13  22° | 14 19° | 15 19° | 16 16° | 17  17° |
| 18  20° | 19 20° | 20 19° | 21 15° | 22 19° | 23 17° | 24 17° |
| 25 18° | 26 17° | 27 17° | 28 17° | 29  18° | 30 17° | 31 15° |
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Temperatures trend during August in Trondheim
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 17° /9° | 0.8 mm | 4 | |
| 2 Aug. | Overcast | 18° /9° | 0 mm | 5 | |
| 3 Aug. | Patchy rain possible | 21° /10° | 0.3 mm | 5 | |
| 4 Aug. | Patchy rain possible | 18° /10° | 2.7 mm | 4 | |
| 5 Aug. | Patchy rain possible | 19° /10° | 0.7 mm | 5 | |
| 6 Aug. | Patchy rain possible | 19° /11° | 0.2 mm | 5 | |
| 7 Aug. | Moderate or heavy rain shower | 17° /12° | 16.6 mm | 4 | |
| 8 Aug. | Moderate rain at times | 20° /11° | 6.4 mm | 5 | |
| 9 Aug. | Patchy rain possible | 19° /11° | 0.9 mm | 5 | |
| 10 Aug. | Patchy rain possible | 15° /10° | 5.5 mm | 4 | |
| 11 Aug. | Patchy rain possible | 13° /9° | 6 mm | 4 | |
| 12 Aug. | Moderate rain at times | 16° /9° | 3.8 mm | 4 | |
| 13 Aug. | Heavy rain at times | 22° /9° | 2.2 mm | 5 | |
| 14 Aug. | Patchy rain possible | 19° /10° | 0.7 mm | 4 | |
| 15 Aug. | Heavy rain at times | 19° /11° | 4.6 mm | 4 | |
| 16 Aug. | Moderate or heavy rain shower | 16° /10° | 13.2 mm | 4 | |
| 17 Aug. | Partly cloudy | 17° /8° | 1 mm | 5 | |
| 18 Aug. | Sunny | 20° /7° | 3.7 mm | 5 | |
| 19 Aug. | Sunny | 20° /9° | 1.1 mm | 5 | |
| 20 Aug. | Heavy rain at times | 19° /11° | 2.9 mm | 5 | |
| 21 Aug. | Moderate or heavy rain shower | 15° /11° | 13.6 mm | 4 | |
| 22 Aug. | Moderate rain at times | 19° /9° | 2.1 mm | 5 | |
| 23 Aug. | Partly cloudy | 17° /9° | 3 mm | 4 | |
| 24 Aug. | Patchy rain possible | 17° /9° | 2.8 mm | 4 | |
| 25 Aug. | Light rain shower | 18° /8° | 3.7 mm | 4 | |
| 26 Aug. | Patchy rain possible | 17° /9° | 1.3 mm | 4 | |
| 27 Aug. | Light rain shower | 17° /9° | 7.6 mm | 4 | |
| 28 Aug. | Light rain shower | 17° /10° | 20.8 mm | 4 | |
| 29 Aug. | Light drizzle | 18° /10° | 3.7 mm | 5 | |
| 30 Aug. | Partly cloudy | 17° /9° | 4.3 mm | 4 | |
| 31 Aug. | Partly cloudy | 15° /7° | 1.4 mm | 4 | |
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Important Notice
Our weather forecast for Trondheim in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Trondheim during August?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Trondheim during August?
Significant rainfall exceeding 137.7 mm is expected in Trondheim during August, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Trondheim during August?
The average wind speed in Trondheim during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Trondheim
Explore the daily rainfall trends and prepare for Trondheims August weather 💧
UV exposure in Trondheim during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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