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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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Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/18°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Otaru in August average weather

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Temperatures trend during August in Otaru

See the weather trend as well as the moving average line
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August weather day by day

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Date Weather Temperatures Rain UV More
1 Aug. Moderate rain
Moderate rain
22° /15° 15.5 mm 5
2 Aug. Patchy rain possible
Patchy rain possible
27° /17° 0 mm 6
3 Aug. Patchy rain possible
Patchy rain possible
28° /19° 0 mm 6
4 Aug. Patchy rain possible
Patchy rain possible
20° /16° 1.4 mm 5
5 Aug. Patchy rain possible
Patchy rain possible
22° /14° 0.2 mm 5
6 Aug. Patchy rain possible
Patchy rain possible
24° /16° 0.2 mm 5
7 Aug. Patchy rain possible
Patchy rain possible
25° /19° 0.7 mm 6
8 Aug. Light rain shower
Light rain shower
25° /19° 5.8 mm 6
9 Aug. Light rain shower
Light rain shower
24° /18° 4.2 mm 5
10 Aug. Patchy rain possible
Patchy rain possible
25° /18° 0.2 mm 6
11 Aug. Light rain shower
Light rain shower
26° /18° 1 mm 6
12 Aug. Patchy rain possible
Patchy rain possible
29° /20° 0.1 mm 6
13 Aug. Light rain shower
Light rain shower
25° /21° 6 mm 6
14 Aug. Light rain shower
Light rain shower
26° /21° 5 mm 6
15 Aug. Fog
Fog
24° /20° 1.1 mm 5
16 Aug. Light rain shower
Light rain shower
26° /18° 1.2 mm 6
17 Aug. Light rain shower
Light rain shower
23° /18° 2.2 mm 5
18 Aug. Patchy rain possible
Patchy rain possible
24° /16° 0.7 mm 5
19 Aug. Patchy rain possible
Patchy rain possible
24° /17° 10.4 mm 5
20 Aug. Patchy rain possible
Patchy rain possible
20° /17° 4.7 mm 5
21 Aug. Sunny
Sunny
25° /15° 0 mm 7
22 Aug. Patchy rain possible
Patchy rain possible
25° /16° 12.3 mm 6
23 Aug. Light rain shower
Light rain shower
28° /20° 2.2 mm 6
24 Aug. Light rain shower
Light rain shower
25° /16° 2.5 mm 6
25 Aug. Patchy rain possible
Patchy rain possible
25° /16° 0.4 mm 6
26 Aug. Light drizzle
Light drizzle
24° /17° 1.6 mm 5
27 Aug. Light rain shower
Light rain shower
22° /18° 22.8 mm 5
28 Aug. Patchy rain possible
Patchy rain possible
23° /16° 3.6 mm 5
29 Aug. Patchy rain possible
Patchy rain possible
25° /16° 0.1 mm 6
30 Aug. Patchy rain possible
Patchy rain possible
27° /19° 0.2 mm 6
31 Aug. Moderate or heavy rain shower
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

August rainfall patterns in Otaru

Explore the daily rainfall trends and prepare for Otarus August weather 💧

UV exposure in Otaru during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is Otaru?

Get accurate weather forecasts for Otaru, located at latitude 43.189 and longitude 141.002. Stay updated with localized weather information tailored for Otaru.

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