Joetsu Weather in August

During August, Joetsu experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 23°C (73°F). Expect quite a bit of rainfall. Around 159 mm (6.3 in) is typical.

Rainfall in Joetsu in August

Rain is expected on roughly 17 days, totalling around 159 mm (6.3 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Joetsu in August

Temperatures in Joetsu in August top out at 30°C (86°F) and drop to 23°C (73°F) overnight. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 23°C (73°F), evenings stay pleasantly warm. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Sunshine in Joetsu in August

The days are predominantly sunny, with an estimated total of around 197 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you prefer enjoying temperate temperatures and rain-free days, May, June and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.