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Japan (Tokyo)
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Japan weather

Weather in Japan for August 2026

Your guide to Japan weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Japan at the beginning of August is 32.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 31 °C by the end of August.

    • Rain 🌧️

  • Japan experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 186.5 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/26°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Japan Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
33°
2
Moderate rain at times
33°
3
Partly cloudy
33°
4
Partly cloudy
33°
5
Patchy rain possible
33°
6
Sunny
32°
7
Light rain shower
32°
8
Moderate or heavy rain shower
32°
9
Sunny
32°
10
Sunny
33°
11
Patchy rain possible
32°
12
Patchy rain possible
31°
13
Moderate or heavy rain shower
30°
14
Partly cloudy
31°
15
Moderate or heavy rain shower
30°
16
Heavy rain at times
29°
17
Patchy rain possible
31°
18
Partly cloudy
32°
19
Sunny
32°
20
Patchy rain possible
32°
21
Partly cloudy
32°
22
Patchy rain possible
31°
23
Heavy rain at times
31°
24
Patchy rain possible
31°
25
Patchy rain possible
31°
26
Patchy rain possible
32°
27
Patchy rain possible
32°
28
Patchy rain possible
31°
29
Partly cloudy
30°
30
Sunny
30°
31
Patchy rain possible
31°

What’s the Weather Like in Japan This August?

Discover the average temperatures and weather trends across Japan’s cities this August.
Patchy rain possibleTokyo31 °C / 26 °CPatchy rain possibleOsaka32 °C / 25 °CPatchy rain possibleKyoto31 °C / 23 °CPatchy rain possibleSapporo25 °C / 17 °CPatchy rain possibleFujikawaguchiko26 °C / 18 °CPatchy rain possibleNagoya32 °C / 25 °CPatchy rain possibleTakayama27 °C / 17 °CPatchy rain possibleFukuoka31 °C / 24 °CPatchy rain possibleHiroshima30 °C / 23 °CPatchy rain possibleFuji27 °C / 20 °CPatchy rain possibleNagano30 °C / 18 °CPatchy rain possibleKanazawa29 °C / 23 °CMore Locations

Temperatures trend during August in Japan

See the weather trend as well as the moving average line

August weather in Japan day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Cloudy
Cloudy
 33° /26° 3 mm 7
2 Aug. Moderate rain at times
Moderate rain at times
 33° /26° 1.8 mm 7
3 Aug. Partly cloudy
Partly cloudy
 33° /26° 0.3 mm 8
4 Aug. Partly cloudy
Partly cloudy
 33° /26° 5.6 mm 7
5 Aug. Patchy rain possible
Patchy rain possible
 33° /26° 0.7 mm 7
6 Aug. Sunny
Sunny
 32° /26° 1.3 mm 7
7 Aug. Light rain shower
Light rain shower
 32° /26° 3.2 mm 7
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /25° 21.5 mm 7
9 Aug. Sunny
Sunny
 32° /26° 4.3 mm 7
10 Aug. Sunny
Sunny
 33° /26° 0.9 mm 7
11 Aug. Patchy rain possible
Patchy rain possible
 32° /26° 1.5 mm 7
12 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 2.1 mm 7
13 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /25° 30.4 mm 7
14 Aug. Partly cloudy
Partly cloudy
 31° /25° 10.5 mm 7
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /25° 14.3 mm 7
16 Aug. Heavy rain at times
Heavy rain at times
 29° /24° 12.1 mm 7
17 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 2.6 mm 7
18 Aug. Partly cloudy
Partly cloudy
 32° /25° 3.6 mm 7
19 Aug. Sunny
Sunny
 32° /25° 2.4 mm 7
20 Aug. Patchy rain possible
Patchy rain possible
 32° /25° 3.2 mm 7
21 Aug. Partly cloudy
Partly cloudy
 32° /26° 4.4 mm 7
22 Aug. Patchy rain possible
Patchy rain possible
 31° /26° 1.3 mm 7
23 Aug. Heavy rain at times
Heavy rain at times
 31° /25° 2.3 mm 7
24 Aug. Patchy rain possible
Patchy rain possible
 31° /26° 0.6 mm 7
25 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 0.7 mm 7
26 Aug. Patchy rain possible
Patchy rain possible
 32° /26° 0.9 mm 7
27 Aug. Patchy rain possible
Patchy rain possible
 32° /26° 1.9 mm 7
28 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 4.8 mm 7
29 Aug. Partly cloudy
Partly cloudy
 30° /25° 1.4 mm 7
30 Aug. Sunny
Sunny
 30° /25° 8.3 mm 7
31 Aug. Patchy rain possible
Patchy rain possible
 31° /25° 9 mm 7
Next
Important Notice
Our weather forecast for Japan 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 Japan forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Japan weather in August vs July vs September

Compare August weather in Japan with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
JulyAugustSeptember
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures30°/25°31°/26°28°/23°
Rainfall172 mm186 mm180 mm
Wind21.6 km/h23 km/h22 km/h
Humidity68%68%68%
Rainy days24 days24 days23 days
Dry days7 days7 days7 days

Planning a trip to Japan? Discover the best time to visit

Guide for Japan in August

In August, Japan experiences a varied climate, with different regions of the country experiencing different weather patterns. At the beginning of the month, the northern regions of Japan, such as Hokkaido, typically have cooler temperatures, with average highs around 25° and lows around 18°.

The central regions, including Tokyo and Kyoto, tend to be hot and humid, with average highs around 31° and lows around 24°. The southern regions, like Okinawa, are very warm and experience frequent rainfall, with average highs around 32° and lows around 27°.

By the end of August, the weather in Japan begins to transition towards autumn. In the northern regions, temperatures start to cool down slightly, with average highs around 23° and lows around 16°.

In the central regions, the heat and humidity persist, with average highs around 30° and lows around 23°. The southern regions continue to experience warm temperatures and heavy rainfall, with average highs around 31° and lows around 26°.

Overall, August in Japan offers a mix of climates, from cooler temperatures in the north to hot and humid conditions in the central and southern regions.

Japan in August - FAQ

Is August a good time to visit Japan?
You can travel to Japan in August, but there are probably better months doing so, read more about the best time to visit Japan
What are the expected maximum and minimum temperatures in Japan during August?
During August, expect a variety of temperatures with highs around 31° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Japan during August?
Significant rainfall exceeding 186.5 mm is expected in Japan during August, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Japan during August?
The average wind speed in Japan during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Japan in August?

As you prepare for your trip to Japan 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 Japan, 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

August rainfall patterns in Japan

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

UV exposure in Japan during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Regions in Japan
Choose a region for an accurate weather forecasts
AichiAkitaAomoriChibaFukuokaFukushimaGifuGunmaHiroshimaHokkaidoHyōgoIshikawaKagoshimaKanagawaKochiKumamotoKyotoMiyagiNaganoNagasakiNaraNiigataOitaOkayamaOkinawaShizuokaTochigiTokyoTottoriToyamaWakayamaYamagataYamaguchiYamanashiŌsaka
Top locations in Japan
Select a location for an accurate weather forecast
AsahikawaFujiFujikawaguchikoFukuokaHakodateHakoneHiroshimaKanazawaKobeKyotoNaganoNagoyaNara-shiOsakaOtaruSapporoShirakawaShirakawa-goTakayamaTokyo
More Locations

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Location coordinates Where is Japan?

Get accurate weather forecasts for Japan, located at latitude 35.69 and longitude 139.692. Stay updated with localized weather information tailored for Japan.

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