Monthly climate guide
Matsumoto weather in August
Expect warm weather in Matsumoto in August: afternoons reach about 26°C (79°F), while nights drop to around 17°C (63°F). Around 158 mm of rain falls over the month (very wet), and skies are often cloudy. Daytime highs are about the same as July and 4°C warmer than September.
What stands out in August
- It cools down fast from here: September is about 4°C cooler.
- Humidity near 82% makes 26°C feel stickier than it sounds.
- In Matsumoto, August is late summer.
- Just 50 km apart, but Matsumoto runs about 2°C cooler than Nagano this month.
August is typically Matsumoto's warmest month.
Avg high
26°C
79°F
Avg low
17°C
63°F
Rainfall
158 mm
very wet
Humidity
82%
relative
Sky
69%
cloud · often cloudy
Matsumoto weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 31°F | -9°C / 15°F | 39 mm | 87% | 76% |
| February | 2°C / 35°F | -9°C / 17°F | 44 mm | 84% | 72% |
| March | 6°C / 43°F | -4°C / 24°F | 79 mm | 80% | 68% |
| April | 12°C / 54°F | 0°C / 32°F | 92 mm | 76% | 64% |
| May | 19°C / 65°F | 7°C / 44°F | 99 mm | 73% | 64% |
| June | 21°C / 71°F | 12°C / 53°F | 153 mm | 79% | 78% |
| July | 25°C / 77°F | 16°C / 61°F | 198 mm | 82% | 78% |
| August | 26°C / 79°F | 17°C / 63°F | 158 mm | 82% | 69% |
| September | 22°C / 72°F | 13°C / 55°F | 199 mm | 83% | 71% |
| October | 16°C / 61°F | 6°C / 43°F | 160 mm | 84% | 66% |
| November | 10°C / 50°F | 0°C / 32°F | 55 mm | 85% | 67% |
| December | 3°C / 37°F | -5°C / 22°F | 39 mm | 86% | 75% |
What to pack for August
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is August a good time to visit Matsumoto?
Compare the months in the chart above to find your ideal window.
Best time to visit Matsumoto →Other Japan cities in August
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Matsumoto weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/japan/matsumoto/august
<a href="https://weathercompare.eu/weather/japan/matsumoto/august">Matsumoto weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/japan/matsumoto" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Matsumoto weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/japan/matsumoto/august">Matsumoto weather in August</a> – WeatherCompare</p>
Matsumoto in August: quick answers
Is August a good time to visit Matsumoto?
August is one of the wetter months in Matsumoto, with about 158 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Matsumoto in August?
Average highs are about 26°C (79°F) and average lows about 17°C (63°F), based on 10 years of daily data.
Does it rain a lot in Matsumoto in August?
Matsumoto typically gets around 158 mm of rain in August — very wet.
Figures are long-term averages for the area around Matsumoto (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.