Wakayama Weather in August
Thinking of visiting Wakayama in August? Expect very high temperatures reaching 31°C (88°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Wakayama in August
Typically, you can expect about 15 days of rain this month, with 119 mm (4.7 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Wakayama in August
If you're visiting Wakayama in August, expect highs of 31°C (88°F) and overnight lows around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. These are average temperatures, but occasional heat spikes are possible. Stay comfortable by wearing light clothing and drinking water.
Sunshine in Wakayama in August
The city usually sees around 228 hours of sunlight, indicating many sunny days — a great month for sightseeing.For Wakayama itself, May generally stands out with 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 Wakayama's climate page.
Wakayama Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
49%
Precipitation
119 mm (4.7 in)
Rainy days
15 days
Humidity
73%
Sunshine
228 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wakayama typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°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 Wakayama in August
Browse day-by-day weather records for Wakayama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wakayama historical weather extremes in August
According to our 49 years of weather records for Wakayama, the following extremes were recorded between 1976 and 2025.
- On August 11, 2013, temperatures climbed to 38°C (100°F), marking the warmest August day on record.
- On August 26, 2013, Wakayama saw its coldest August day with temperatures maxing out at 24°C (75°F).
- Nighttime temperatures dropped to 18°C (64°F) on August 6, 1981, 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
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unpleasant
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What to Wear in Wakayama 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. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Wakayama 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 Wakayama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Wakayama climate overview or explore weather in Japan.
