Yokohama Weather in August
Yokohama in August sees high temperatures, with highs around 30°C (86°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 121 mm (4.8 in) on average, so pack waterproofs just in case.
Rainfall in Yokohama in August
On average, there are about 16 days with rain during this month, averaging 121 mm (4.8 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Yokohama in August
August in Yokohama sees highs of 30°C (86°F) and lows of 25°C (77°F) overnight. This kind of day-to-night contrast is typical for this time of year. 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. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Yokohama in August
Expect sunny days throughout the month, with an estimated 208 hours of sunshine. This makes it a pleasant time to visit Yokohama.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and July typically offer the best weather for Yokohama.
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 Yokohama's climate page.
Yokohama Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
53%
Precipitation
121 mm (4.8 in)
Rainy days
16 days
Humidity
76%
Sunshine
208 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yokohama typically stay consistent throughout August, with daily highs averaging around 30°C (86°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 Yokohama in August
Browse day-by-day weather records for Yokohama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yokohama historical weather extremes in August
Based on 49 years of weather observations in Yokohama between 1976 and 2025, these are the recorded extremes.
- Yokohama recorded its highest August temperature of 37°C (99°F) on August 6, 2025.
- The lowest daytime temperature in August was 19°C (66°F), recorded on August 16, 2003.
- The lowest overnight temperature recorded in August was 17°C (63°F) (August 9, 1980).
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 →
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tolerable
unpleasant
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What to Wear in Yokohama 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Yokohama 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 Yokohama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yokohama climate overview or explore weather in Japan.
