Sapporo Weather in August

Season: Summer

Overview:
1. Sapporo experiences hot and humid weather in August, but it’s still cooler than southern parts of Japan like Tokyo and Kyoto, which makes it a pleasant summer retreat.
2. August is the peak tourism season all over Japan, so expect crowded attractions and rising costs on travel.
3. One of Sapporo’s travel highlights in August is Sapporo Summer Festival.

Sapporo Clock Tower

Hottest Time of All Year, Yet One of the Coolest Places in Japan

Sapporo in August experiences the hottest weather of the year, with average temperatures ranging from 19-26°C (66-79°F). Based on last five years’ meteorological data, the highest temperature in August once peaked 36 degrees Celsius (97 degrees Fahrenheit). Besides, influenced by global warming, high-heat weather in Sapporo becomes more frequent during summer period. For example, in August 2024, there were 7 days when maximum temperatures exceeded 30 degrees Celsius (86 degrees Fahrenheit). Therefore, visitors are advised to avoid staying outdoors for too long time if the weather is too hot when visiting the city in August 2026.

It’s also worth noting that there are large temperature differences between day and night. While Sapporo’s weather can be really hot during the mid-days in August, visitors would feel much cooler in the early morning and late evening, with temperatures hovering between 18-24°C (64-75°F), which is perfect for outdoor explorations.

That said, Sapporo is located at a relatively high latitude in Japan and still enjoys a cooler climate overall compared with many other major cities across the country. Therefore, it remains a popular summer destination to escape the intense heat.

Sapporo Beer Museum

The Rainiest and Most Humid Month in Sapporo

Sapporo experiences the rainiest weather of the year in August, with average monthly precipitation of 163 mm and 10 rainy days. The good point is that the rain is most time light showers having limited influence on your trip, but thunderstorm and heavy rain occur occasionally.

Although August is the peak season for typhoons in Japan, Sapporo is not easily influenced due to its location in the northernmost part of Japan. But it’s still recommended to check the forecast from time to time to get the latest information.

Due to high temperatures and large precipitation in August, the weather of Sapporo in August is humid, with average humidity level of about 75 %.

Nijo Market

Sunshine Hours & Daytime Hours

Sunshine Hours: about 5 hours
Sunrise: 4:25-4:57
Sunset: 18:11-18:56
Daytime Hours: 13 hours 14 minutes - 14 hours 31 minutes

Long daytime hours allows visitors to explore Sapporo deeply without rush, especially in the suburban areas, such as Sapporo Mt. Moiwa Ropeway and Okurayama Observatory, where temperatures tends to be lower than downtown areas. However, be careful of intensive sunshine when enjoy outing for long time, as the UV Index reaches a pretty high level: 8.

Sunset View Over Mt. Moiwa

Is Sapporo a Good Travel Destination in August?

Yes, Sapporo is a popular summer destination around Japan. Firstly, compared with other major tourist cities in Japan, such as Tokyo and Osaka, Sapporo’s climate in august is much cooler. Secondly, despite of frequent rainfall in August, Sapporo is relatively unaffected by typhoons, and the rain is mainly short showers, not disturbing your outdoor explorations a lot. Thirdly, Sapporo Summer Festival is held in August, adding more fun to your Sapporo trip.

Mt. Moiwa Ropeway

Things You Are Advised to Pack to Visit Sapporo in August

Upper clothing: Breathable and lightweight T-shirts are ideal for hot and humid weather in Sapporo. Don’t forget to pack a light jacket to keep warm in early mornings and at night and sun-protective around noon.

Bottom clothing: It’s advisable to wear shorts and summer pants. Girls can wear dresses or skirts in accord with the summer vibe.

Shoes: If you need to walk a lot, wear a pair of comfortable sneakers. Alternatively, sandals are also recommended.

Accessories:
Considering the high UV Index, you are advised to pack sunscreen, sunglasses and sun hats.
Frequent rainfall requires visitors to bring a rain coat or an umbrella.
It’s necessary to pack insect repellent as mosquitoes are prevalent in summer.

Travel Highlight in August - Sapporo Summer Festival

One of the biggest annual events in Sapporo, the Sapporo Summer Festival lasts till mid-August with exciting activities across the city.

The must-see highlight is the Susukino Festival, held from 7th to 9th in August, celebrated with geisha parades and traditional cultural performances.

At Odori Park, don’t miss the Bon Dance events, where both locals and visitors dance together. Wearing a yukata is highly recommended to soak up the festive atmosphere.

Girls in Traditional Japanese Clothing

Red Brick Building

Travel Tips
1. Although Sapporo is usually less affected by typhoons compared with southern Japan, it’s still a good idea to check the weather forecast ahead of your trip to plan accordingly.
2. August is peak travel season, so it’s wise to book your flights and accommodation in advance.

August Weather for More Destinations in Japan:

Sapporo Weather by Month

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7-Day Sapporo Weather Forecast