Matsumoto Weather in August
Matsumoto in August averages 28°C (82°F) during the day and 18°C (64°F) at night. August is part of the rainy season, and falls within the summer season, so frequent rainfall is typical.
Rainfall in Matsumoto in August
Matsumoto is in the rainy season in August, with rain on around 19 days and an average of 170 mm (6.7 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Matsumoto in August
Daytime highs in Matsumoto in August reach 28°C (82°F), with nights around 18°C (64°F). August is part of summer. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.
Sunshine in Matsumoto in August
Enjoy a sunny month with about 206 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and August typically offer the best weather for Matsumoto.
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 Matsumoto's climate page.
Matsumoto Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
28°C (82°F)
Chance of Rain
62%
Precipitation
170 mm (6.7 in)
Rainy days
19 days
Humidity
72% *
Sunshine
206 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Matsumoto typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 21°C (70°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 Matsumoto in August
Browse day-by-day weather records for Matsumoto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Matsumoto historical weather extremes in August
Based on 49 years of weather observations in Matsumoto between 1976 and 2025, these are the recorded extremes.
- Matsumoto recorded its highest August temperature of 38°C (100°F) on August 7, 1994.
- Matsumoto experienced its chilliest August day on August 28, 1996, reaching only 17°C (63°F).
- Nighttime temperatures dropped to 12°C (54°F) on August 18, 2018, marking the coldest August night on record.
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 Matsumoto in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Matsumoto 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 Matsumoto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Matsumoto climate overview or explore weather in Japan.
