Otaru
August
Weather in Otaru for August 2025
Your guide to Otaru weather in August - trends and predictions
In general, the average temperature in Otaru at the beginning of August is 24 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 24.1 °C by the end of August.
Otaru experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Otaru? check out the best time to travel to Otaru page.
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9
Dry days
22
Rainy days
0
Snow days
25°/18°
Temperatures
12 km/h
Avg max wind
87 %
Avg humidity
Otaru in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  27° | 3 28° | ||||
| 4 20° | 5 22° | 6 24° | 7 25° | 8 25° | 9 24° | 10 25° |
| 11 26° | 12 29° | 13 25° | 14 26° | 15  24° | 16 26° | 17 23° |
| 18 24° | 19 24° | 20 20° | 21  25° | 22 25° | 23 28° | 24 25° |
| 25 25° | 26  24° | 27 22° | 28 23° | 29 25° | 30 27° | 31  23° |
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Temperatures trend during August in Otaru
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. | Moderate rain | 22° /15° | 15.5 mm | 5 | |
| 2 Aug. | Patchy rain possible | 27° /17° | 0 mm | 6 | |
| 3 Aug. | Patchy rain possible | 28° /19° | 0 mm | 6 | |
| 4 Aug. | Patchy rain possible | 20° /16° | 1.4 mm | 5 | |
| 5 Aug. | Patchy rain possible | 22° /14° | 0.2 mm | 5 | |
| 6 Aug. | Patchy rain possible | 24° /16° | 0.2 mm | 5 | |
| 7 Aug. | Patchy rain possible | 25° /19° | 0.7 mm | 6 | |
| 8 Aug. | Light rain shower | 25° /19° | 5.8 mm | 6 | |
| 9 Aug. | Light rain shower | 24° /18° | 4.2 mm | 5 | |
| 10 Aug. | Patchy rain possible | 25° /18° | 0.2 mm | 6 | |
| 11 Aug. | Light rain shower | 26° /18° | 1 mm | 6 | |
| 12 Aug. | Patchy rain possible | 29° /20° | 0.1 mm | 6 | |
| 13 Aug. | Light rain shower | 25° /21° | 6 mm | 6 | |
| 14 Aug. | Light rain shower | 26° /21° | 5 mm | 6 | |
| 15 Aug. | Fog | 24° /20° | 1.1 mm | 5 | |
| 16 Aug. | Light rain shower | 26° /18° | 1.2 mm | 6 | |
| 17 Aug. | Light rain shower | 23° /18° | 2.2 mm | 5 | |
| 18 Aug. | Patchy rain possible | 24° /16° | 0.7 mm | 5 | |
| 19 Aug. | Patchy rain possible | 24° /17° | 10.4 mm | 5 | |
| 20 Aug. | Patchy rain possible | 20° /17° | 4.7 mm | 5 | |
| 21 Aug. | Sunny | 25° /15° | 0 mm | 7 | |
| 22 Aug. | Patchy rain possible | 25° /16° | 12.3 mm | 6 | |
| 23 Aug. | Light rain shower | 28° /20° | 2.2 mm | 6 | |
| 24 Aug. | Light rain shower | 25° /16° | 2.5 mm | 6 | |
| 25 Aug. | Patchy rain possible | 25° /16° | 0.4 mm | 6 | |
| 26 Aug. | Light drizzle | 24° /17° | 1.6 mm | 5 | |
| 27 Aug. | Light rain shower | 22° /18° | 22.8 mm | 5 | |
| 28 Aug. | Patchy rain possible | 23° /16° | 3.6 mm | 5 | |
| 29 Aug. | Patchy rain possible | 25° /16° | 0.1 mm | 6 | |
| 30 Aug. | Patchy rain possible | 27° /19° | 0.2 mm | 6 | |
| 31 Aug. | Moderate or heavy rain shower | 23° /16° | 47.4 mm | 5 | |
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Important Notice
Our weather forecast for Otaru 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 Otaru forecast closer to your planned date for the most up-to-date weather information.
Otaru in August - FAQ
What are the expected maximum and minimum temperatures in Otaru during August?
During August, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Otaru during August?
Significant rainfall exceeding 154 mm is expected in Otaru during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Otaru during August?
The average wind speed in Otaru during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Otaru in August?
As you prepare for your trip to Otaru 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 Otaru, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
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