Shizuoka Weather in August
August in Shizuoka brings high temperatures around 30°C (86°F) during the day, dropping to 24°C (75°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Shizuoka in August
As part of the rainy season, Shizuoka sees around 16 days of rain in August, with an average of 211 mm (8.3 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Shizuoka in August
Shizuoka in August gets highs of 30°C (86°F) during the day and drops to 24°C (75°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning. On average, it is the warmest month of the year.
Sunshine in Shizuoka in August
The month enjoys around 204 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.August in Shizuoka has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Shizuoka's climate page.
Shizuoka Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
53%
Precipitation
211 mm (8.3 in)
Rainy days
16 days
Humidity
78%
Sunshine
204 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Shizuoka typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Shizuoka in August
Browse day-by-day weather records for Shizuoka spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Shizuoka historical weather extremes in August
Our historical data for Shizuoka spans 1976 to 2025, revealing these weather extremes.
- The warmest day in August was on August 6, 2025, with a maximum of 41°C (106°F).
- On August 28, 1996, Shizuoka saw its coldest August day with temperatures maxing out at 20°C (68°F).
Best Places in Japan in August
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in August →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Shizuoka in August
Warm but pleasant conditions in Shizuoka in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Shizuoka in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Shizuoka's climate page.
Temperature Rainfall Sunshine Humidity
See the full Shizuoka climate overview or explore weather in Japan.
