Hachijojima Weather in August

August in Hachijojima typically sees daytime highs of 29°C (84°F) and nighttime lows of 27°C (81°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Hachijojima in August

With the driest weather of the year, this month is ideal for outdoor fun. Looking at the last 30 years, the data shows about 16 days with rain, averaging 116 mm (4.6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Hachijojima in August

Temperatures in Hachijojima in August top out at 29°C (84°F) and drop to 27°C (81°F) overnight. This kind of day-to-night contrast is typical for this time of year. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed. On average, it is the warmest month of the year.

Sunshine in Hachijojima in August

The area enjoys a moderate level of sunlight, with around 187 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Hachijojima in August

Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in August

The water is 27°C (81°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, July and August typically offer the best weather for Hachijojima.