Sapporo Weather in August
August in Sapporo brings high temperatures, with highs of 25°C (77°F) and nights dropping to 18°C (64°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Sapporo in August
With peak rainfall occurring this month, heavy downpours are common. It's advisable to have a poncho on hand to manage the rain. Typically, you can expect about 18 days of rain this month, with 186 mm (7.3 in) on average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Sapporo in August
In August, expect high temperatures in Sapporo, with highs of 25°C (77°F) and lows of 18°C (64°F) at night. 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. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the warmest month of the year.
Sunshine in Sapporo in August
The month brings about 172 hours of sunlight, offering a comfortable mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, June typically offers the best circumstances for Sapporo.
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 Sapporo's climate page.
Sapporo Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
25°C (77°F)
Chance of Rain
61%
Precipitation
186 mm (7.3 in)
Rainy days
18 days
Humidity
75%
Sunshine
172 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sapporo typically stay consistent throughout August, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 20°C (68°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 Sapporo in August
Browse day-by-day weather records for Sapporo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sapporo historical weather extremes in August
Based on 49 years of weather observations in Sapporo between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Sapporo reached 36°C (97°F) (August 7, 1994).
- On August 29, 1980, Sapporo saw its coldest August day with temperatures maxing out at 17°C (63°F).
- The coldest night in August in Sapporo was on August 25, 1979, with a minimum of 8°C (46°F).
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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What to Wear in Sapporo 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sapporo 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 Sapporo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sapporo climate overview or explore weather in Japan.
