Month-by-month travel weather

Sapporo August weather

Sapporo, Japan · August

Warmest month, but much easier than mainland Japan

August is Sapporo’s warmest month, but even then, temperatures usually remain far more comfortable than in Tokyo or Osaka.

Days can feel summery and bright, while nights stay cool enough to sleep comfortably without heavy air-conditioning.

Average low

around 18-20°C

Average high

around 25-27°C

Precipitation

around 90-120 mm

Rainy days

around 10-13 days

Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.

• Very light summer clothing—short sleeves, light dresses, and breathable fabrics—works well.
• Keep a light jacket or cardigan for evenings or heavily air-conditioned indoor spaces.
• Comfortable sandals or sneakers are both fine; choose based on your planned walking time.

• If you want to enjoy summer activities like outdoor walks, cycling, or picnics without extreme heat, August in Sapporo is ideal.
• UV levels can still be strong even when temperatures feel mild, so use sunscreen and hats.
• Popular events and holidays can increase crowds, so book accommodations early.

Q. Is it ever uncomfortably hot in Sapporo in August?

A. There can be warmer days, but compared with mainland Japan, Sapporo rarely feels oppressively hot for long periods.

Q. Do I need air-conditioning at night?

A. Many nights are cool enough to sleep comfortably with just a fan or open window, but it depends on your personal preference and lodging.

Q. Is August still a good time for nature trips around Sapporo?

A. Yes, it is an excellent time for day trips to nearby lakes, hills, and countryside, with comfortable temperatures for hiking and walking.

Authored by Jiheon Bang

Updated: 2025-12-01

Reviewed using Visual Crossing Weather data and reorganized from a traveler’s perspective.

Weather data is designed to be refreshed roughly every 10 minutes.