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Asarikawa Onsen

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Asarikawa Onsen Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-10

Asarikawa Onsen year round climate

  • Spring (March–May): Average approx. 32–50°F, the weather gradually warms up, snowmelt begins, the climate is dry, and spring is in full bloom. Common activities: enjoying snowmelt scenery, outdoor walks, preparing for the fresh green season. Recommended attire: thick jacket, sweater, scarf, waterproof shoes (to cope with snowmelt).
  • Summer (June–August): Average approx. 59–69°F, the climate is warm and comfortable, with abundant sunshine and generally low humidity. Rainfall is relatively higher than other seasons but still considered dry. Common activities: hiking, hot spring therapy, stream activities, enjoying outdoor time. Recommended attire: short sleeves, light long sleeves, light trousers, sun hat, sun protection.
  • Autumn (September–November): Average approx. 37–62°F, the weather is cool and pleasant, with significant temperature differences between day and night. Maple leaves gradually turn red, the scenery is beautiful, and rainfall is scarce. Common activities: autumn leaf viewing, autumn hiking, enjoying hot springs, tasting seasonal delicacies. Recommended attire: long-sleeved shirt, light sweater, jacket, trench coat.
  • Winter (December–February): Average approx. -5–-39.2°F, severely cold and dry. Although snowfall is not abundant, temperatures are extremely low, making it an ideal season for winter sports. Common activities: skiing, snowboarding, snow activities, warming up in hot springs. Recommended attire: thick down jacket, wool hat, gloves, scarf, warm trousers, snow boots.

Asarikawa Onsen climatological average

Annual average temperature: approx. 45.1°F / Annual rainfall: approx. 58 mm / Summer humidity: 55-70% / Rainiest month: August

Asarikawa Onsen monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
24.4°F
6.8
February
23.7°F
3.6
March
27.5°F
2.9
April
42.8°F
3.6
May
50.7°F
3.3
June
59°F
3.8
July
66.9°F
6.8
August
70°F
9.4
September
62.1°F
3.2
October
51.6°F
7.7
November
38.1°F
5.2
December
23.9°F
2.6

Asarikawa Onsen weather for the next seven days

1/20
Tuesday
Blizzard
27.9°F/18.2°F
1/21
Wednesday
Moderate or heavy snow showers
24.9°F/13.9°F
1/22
Thursday
Moderate or heavy snow showers
24.6°F/13.6°F
1/23
Friday
Moderate or heavy snow showers
25.9°F/14.1°F
1/24
Saturday
Moderate or heavy snow showers
25.2°F/13.2°F
1/25
Sunday
Blizzard
26°F/15.5°F
1/26
Monday
Moderate or heavy snow showers
25.3°F/20.2°F

Asarikawa Onsen Frequently Asked Questions and Useful Information for Travel

What is the best season to visit and what can I expect?

The best seasons to visit Asarigawa Onsen are winter and spring. Winter offers fantastic skiing and snowboarding opportunities at Asarigawa Ski Resort with picturesque snowy landscapes. In spring and summer, visitors can enjoy the rejuvenating hot springs, peaceful nature walks, and vibrant greenery surrounding the area, making it perfect for relaxation and outdoor exploration.

What are the must-see attractions?

Must-see attractions at Asarigawa Onsen include the mineral-rich Asari River Hot Spring, the traditional Otaru Asarigawa Onsen Korakuen ryokan, and the Asarigawa Ski Resort for winter sports. Nearby, the beautiful Asarigawa Hot Spring Park and Otaru Canal provide scenic spots for leisurely strolls and sightseeing.

How to get here? Usually people start from which city/place to visit Asarikawa Onsen?

Most travelers start their journey to Asarigawa Onsen from Sapporo or Otaru city. From Otaru, it is a short drive or bus ride to the onsen area. Sapporo, being a major transport hub, offers convenient rail and road connections to Otaru, making it an ideal starting point for visiting Asarigawa Onsen.

What is the uniqueness local knowledge of Asarikawa Onsen?

Asarigawa Onsen is known for its authentic, less-commercialized atmosphere with predominantly local Japanese visitors, especially at its ski resort. The hot springs are reputed for their healing mineral content, and the ryokan experience here emphasizes traditional hospitality, offering guests peaceful natural surroundings away from crowded tourist spots.

Which nearby places can be arranged together with Asarikawa Onsen into one trip?

Visitors often combine Asarigawa Onsen with nearby destinations such as the historic Otaru Canal area, Mt. Tengu hiking trails, and the coastal landscapes of Otaru. This allows travelers to enjoy a mix of cultural sightseeing, nature activities, and hot spring relaxation all within one comprehensive trip.