Niigata Weather in August
August in Niigata sees daytime temperatures around 30°C (86°F) and lows of 24°C (75°F) at night. With around 168 mm (6.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Niigata in August
Typically, about 16 days will experience rainfall, with an average of 168 mm (6.6 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 Niigata in August
Niigata in August gets highs of 30°C (86°F) during the day and drops to 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.
Sunshine in Niigata in August
There are approximately 209 hours of sunshine this month, resulting in mostly clear days.If you prefer dry days with pleasant temperatures, May, June, September 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.
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 Niigata's climate page.
Niigata Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
52%
Precipitation
168 mm (6.6 in)
Rainy days
16 days
Humidity
75%
Sunshine
209 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Niigata typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows typically ranging from 22°C (72°F) to 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 Niigata in August
Browse day-by-day weather records for Niigata spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Niigata historical weather extremes in August
The extremes listed below come from historical weather data collected in Niigata from 1989 through 2025.
- Niigata recorded its highest August temperature of 39°C (102°F) on August 23, 2018.
- Niigata experienced its chilliest August day on August 31, 2003, reaching only 22°C (72°F).
- The coldest night in August in Niigata was on August 28, 1991, with a minimum of 16°C (61°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
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What to Wear in Niigata in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Niigata 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 Niigata's climate page.
Temperature Rainfall Sunshine Humidity
See the full Niigata climate overview or explore weather in Japan.
