Matsuyama Weather in August
August in Matsuyama brings very high temperatures around 31°C (88°F) during the day, dropping to 24°C (75°F) at night, with quite a bit of rainfall expected, averaging around 151 mm (5.9 in) for the month.
Rainfall in Matsuyama in August
You can expect rain on around 16 days based on historical patterns, with 151 mm (5.9 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Matsuyama in August
Expect highs of 31°C (88°F) in Matsuyama in August, with nights dropping to around 24°C (75°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.
Sunshine in Matsuyama in August
The month enjoys around 223 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, October and November typically offer the best weather for Matsuyama.
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 Matsuyama's climate page.
Matsuyama Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
31°C (88°F)
Chance of Rain
52%
Precipitation
151 mm (5.9 in)
Rainy days
16 days
Sunshine
223 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Matsuyama typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 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 Matsuyama in August
Browse day-by-day weather records for Matsuyama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Matsuyama historical weather extremes in August
Based on weather observations in Matsuyama between 1976 and 2025, these are the recorded extremes during August.
- On August 27, 1981, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- Matsuyama experienced its chilliest August day on August 14, 2003, reaching only 22°C (72°F).
- Nighttime temperatures dropped to 18°C (64°F) on August 8, 1991, marking the coldest August night on record.
- The heaviest August precipitation occurred on August 14, 2003, when 84 mm (3.3 in) of precipitation fell.
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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tolerable
unpleasant
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What to Wear in Matsuyama 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 Matsuyama 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 Matsuyama's climate page.
See the full Matsuyama climate overview or explore weather in Japan.
