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Weather in Osaka for August 2025

Your guide to Osaka weather in August - trends and predictions
  • In general, the average temperature in Osaka at the beginning of August is 33.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 31.7 °C by the end of August.

  • Osaka experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

  • Is August a good time to visit Osaka? check out the best time to travel to Osaka page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
4
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/25°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Osaka in August average weather

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Temperatures trend during August in Osaka

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

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
33° /25° 1 mm 8
2 Aug. Patchy rain possible
Patchy rain possible
34° /26° 0.2 mm 8
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /26° 3.1 mm 8
4 Aug. Patchy rain possible
Patchy rain possible
34° /27° 1.3 mm 7
5 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
35° /26° 6.8 mm 8
6 Aug. Patchy rain possible
Patchy rain possible
33° /26° 1.5 mm 7
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /26° 20.5 mm 7
8 Aug. Patchy rain possible
Patchy rain possible
34° /25° 0.4 mm 8
9 Aug. Patchy rain possible
Patchy rain possible
35° /26° 0.5 mm 8
10 Aug. Patchy rain possible
Patchy rain possible
35° /27° 0.3 mm 7
11 Aug. Moderate rain at times
Moderate rain at times
34° /26° 1.8 mm 7
12 Aug. Sunny
Sunny
34° /25° 0 mm 8
13 Aug. Overcast
Overcast
36° /26° 0.1 mm 8
14 Aug. Heavy rain at times
Heavy rain at times
34° /26° 6.3 mm 8
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 69.4 mm 7
16 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 9.8 mm 7
17 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 6 mm 7
18 Aug. Patchy rain possible
Patchy rain possible
32° /24° 4.7 mm 7
19 Aug. Overcast
Overcast
32° /25° 0.5 mm 8
20 Aug. Patchy rain possible
Patchy rain possible
33° /25° 2.3 mm 7
21 Aug. Moderate rain at times
Moderate rain at times
34° /25° 1.6 mm 7
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
34° /26° 5.2 mm 7
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
33° /26° 6.1 mm 8
24 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /25° 8.5 mm 7
25 Aug. Light rain shower
Light rain shower
31° /25° 8.4 mm 7
26 Aug. Light rain shower
Light rain shower
34° /24° 4.2 mm 7
27 Aug. Light rain shower
Light rain shower
33° /25° 3.1 mm 7
28 Aug. Patchy rain possible
Patchy rain possible
32° /24° 5.4 mm 7
29 Aug. Patchy rain possible
Patchy rain possible
30° /24° 17.3 mm 7
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
32° /24° 12.3 mm 7
31 Aug. Patchy rain possible
Patchy rain possible
30° /25° 34 mm 7
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Important Notice
Our weather forecast for Osaka 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 Osaka forecast closer to your planned date for the most up-to-date weather information.

Guide for Osaka in August

In August, Osaka, Japan experiences the peak of its summer season, characterized by hot and humid weather. At the beginning of the month, temperatures typically range from 26° to 34°, with high humidity levels making it feel even warmer.

The city often sees clear skies in the morning, but by the afternoon, the heat can lead to the formation of thunderstorms. These sudden downpours are usually brief but can be intense, providing a temporary respite from the heat.

As the month progresses, the weather remains consistently hot. By the end of August, temperatures still hover between 25° and 33°. The humidity remains high, often exceeding 70%, which can make outdoor activities quite uncomfortable.

The frequency of afternoon thunderstorms may decrease slightly, but the occasional typhoon can bring heavy rain and strong winds to the region. These typhoons are more common in late August and can disrupt travel plans, so it's advisable to keep an eye on weather forecasts.

Despite the challenging weather conditions, August is a vibrant time in Osaka, with numerous summer festivals and events. Visitors should stay hydrated, wear light clothing, and take breaks in air-conditioned spaces to cope with the heat and humidity.

Osaka in August - FAQ

Is August a good time to visit Osaka?
You can travel to Osaka in August, but there are probably better months doing so, read more about the best time to visit Osaka
What are the expected maximum and minimum temperatures in Osaka during August?
During August, expect a variety of temperatures with highs around 32° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Osaka during August?
Significant rainfall exceeding 318.3 mm is expected in Osaka during August, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Osaka during August?
The average wind speed in Osaka during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Osaka in August?

As you prepare for your trip to Osaka 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 Osaka, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
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Location coordinates Where is Osaka?

Get accurate weather forecasts for Osaka, located at latitude 34.694 and longitude 135.502. Stay updated with localized weather information tailored for Osaka.

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