Average weather for Hachijō-jima in August
It's hot in August in Hachijō-jima with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 25°C and 26°C.
Start of August
The month of August starts in Hachijō-jima with hot temps, averaging around 30°C during the day and nights around 26°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid August
By mid-August, daytime temps stay steady at around 30°C, with nights around 26°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in Hachijō-jima is around 31°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In August, there is an average of 204 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the South.
Hachijō-jima in August |
New York | ||
---|---|---|---|
![]() |
30°C | 30°C | |
![]() |
31°C | 31°C | |
![]() |
29°C | -5°C | |
![]() |
204 mm | 79 mm | |
![]() |
10 days | 13 days |
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Hachijō-jima?
Looking for sun? August isn’t a good month to be in Hachijō-jima. The temperature is nice, but there’s too much chance of rain.
The typhoon season in Hachijō-jima runs from June to November.
Temperature records
With 34°C in 2020, Hachijō-jima reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 23°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 28°C.
Check out the climate of Hachijō-jima for all months and discover the best travel time
Daily Temperature in August in Hachijō-jima
This chart shows the average daily high and low temperatures in August for Hachijō-jima, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Hachijō-jima
The chart below shows the average daily precipitation in August for Hachijō-jima, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 10 days of precipitation in Hachijō-jima.
Daily UV index in August in Hachijō-jima
This chart shows the average daily UV index in August in Hachijō-jima, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Hachijō-jima over the years
This chart shows the average temperature in August in Hachijō-jima, measured in degrees Celsius, over the past few years.
Total precipitation in August in Hachijō-jima over the years
This chart shows the average precipitation in August in Hachijō-jima, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Hachijō-jima
Click on any day in August to get detailed info about the usual weather on that day in Hachijō-jima. Check out the historical temperatures and precipitation over the past 10 years on this day.































Weather experiences in August in Hachijō-jima
Have you been to Hachijō-jima in August?
Share your weather experience in August in Hachijō-jima.
Average weather in Hachijō-jima by month
Click on a month below to see detailed weather info for Hachijō-jima. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Hachijō-jima for all months at once