Tromsø
August
Weather in Tromsø for August 2025
Your guide to Tromsø weather in August - trends and predictions
In general, the average temperature in Tromsø at the beginning of August is 18 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.3 °C by the end of August.
Expect significant rainfall in Tromsø during August, with an average of 18 rainy days.
Is August a good time to visit Tromsø? check out the best time to travel to Tromsø page.
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13
Dry days
18
Rainy days
0
Snow days
16°/10°
Temperatures
12 km/h
Avg max wind
78 %
Avg humidity
Tromsø in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2 18° | 3  21° | ||||
| 4  18° | 5 16° | 6  17° | 7 18° | 8 22° | 9 19° | 10  19° |
| 11 18° | 12 14° | 13 18° | 14 19° | 15 14° | 16 13° | 17 13° |
| 18 14° | 19 12° | 20  15° | 21 16° | 22 14° | 23 14° | 24 15° |
| 25  15° | 26 14° | 27 14° | 28 15° | 29 15° | 30 14° | 31 13° |
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Temperatures trend during August in Tromsø
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. | Partly cloudy | 18° /12° | 0.2 mm | 6 | |
| 2 Aug. | Partly cloudy | 18° /12° | 1 mm | 5 | |
| 3 Aug. | Patchy rain possible | 21° /13° | 0.6 mm | 6 | |
| 4 Aug. | Heavy rain at times | 18° /12° | 1 mm | 5 | |
| 5 Aug. | Patchy rain possible | 16° /11° | 0.7 mm | 4 | |
| 6 Aug. | Overcast | 17° /12° | 0 mm | 5 | |
| 7 Aug. | Patchy rain possible | 18° /12° | 2.2 mm | 5 | |
| 8 Aug. | Partly cloudy | 22° /12° | 0.6 mm | 6 | |
| 9 Aug. | Partly cloudy | 19° /13° | 0.8 mm | 5 | |
| 10 Aug. | Moderate rain at times | 19° /12° | 2.4 mm | 5 | |
| 11 Aug. | Patchy rain possible | 18° /11° | 3.6 mm | 4 | |
| 12 Aug. | Moderate rain at times | 14° /10° | 2.1 mm | 4 | |
| 13 Aug. | Patchy rain possible | 18° /11° | 0.1 mm | 4 | |
| 14 Aug. | Moderate rain at times | 19° /12° | 1.9 mm | 5 | |
| 15 Aug. | Moderate or heavy rain shower | 14° /10° | 10.9 mm | 3 | |
| 16 Aug. | Patchy rain possible | 13° /9° | 13.2 mm | 4 | |
| 17 Aug. | Patchy rain possible | 13° /8° | 2.3 mm | 4 | |
| 18 Aug. | Moderate rain at times | 14° /8° | 2.2 mm | 4 | |
| 19 Aug. | Overcast | 12° /8° | 7.4 mm | 3 | |
| 20 Aug. | Cloudy | 15° /7° | 0 mm | 4 | |
| 21 Aug. | Patchy rain possible | 16° /10° | 3 mm | 4 | |
| 22 Aug. | Patchy rain possible | 14° /9° | 3.9 mm | 4 | |
| 23 Aug. | Overcast | 14° /10° | 0.1 mm | 4 | |
| 24 Aug. | Overcast | 15° /9° | 3.4 mm | 4 | |
| 25 Aug. | Sunny | 15° /8° | 0.3 mm | 4 | |
| 26 Aug. | Overcast | 14° /8° | 2.4 mm | 4 | |
| 27 Aug. | Sunny | 14° /7° | 8.1 mm | 4 | |
| 28 Aug. | Overcast | 15° /10° | 1.6 mm | 4 | |
| 29 Aug. | Light rain shower | 15° /10° | 5.3 mm | 4 | |
| 30 Aug. | Light rain shower | 14° /8° | 16.4 mm | 3 | |
| 31 Aug. | Partly cloudy | 13° /7° | 0.5 mm | 4 | |
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Important Notice
Our weather forecast for Tromsø 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 Tromsø forecast closer to your planned date for the most up-to-date weather information.
Tromsø in August - FAQ
What are the expected maximum and minimum temperatures in Tromsø during August?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Tromsø during August?
Moderate rainfall is anticipated in Tromsø during August, with a total of 75.1 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Tromsø during August?
The average wind speed in Tromsø during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Tromsø in August?
As you prepare for your trip to Tromsø in August, 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 Tromsø, during August, 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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