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Onuma

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Onuma Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Onuma year round climate

  • Spring (March–May): Average 3.4–13.7°C, mild but still chilly, increasing rainfall. Common activities: Hiking, flower viewing (e.g., cherry blossoms, depending on blooming conditions). Recommended clothing: Warm jacket, sweater, long pants.
  • Summer (June–August): Average 17.9–24.5°C, warm and humid, with the most rainfall in August. Common activities: Outdoor activities, but be mindful of rain. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 13.7–20.8°C, comfortable and pleasant, but with a larger temperature difference between morning and evening. Common activities: Maple leaf viewing (depending on leaf color change), hiking and trekking. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -2.0–-0.7°C, cold, with a low probability of snowfall. Common activities: Skiing (depending on snow conditions), indoor activities. Recommended clothing: Heavy coat, warm clothing, hat, gloves, scarf.

Onuma climatological average

Annual average temperature: approx. 10.8°C / Annual rainfall: approx. 1172 mm / Summer humidity: 70%–80% / Rainiest month: August

Onuma monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-2°C
94
February
-1.3°C
36
March
3.4°C
64.7
April
9.6°C
44.3
May
13.7°C
72
June
17.9°C
129.3
July
22.7°C
93.7
August
24.5°C
245
September
20.8°C
94.3
October
13.7°C
116.7
November
7.1°C
99.7
December
-0.7°C
83

Onuma weather for the next seven days

3/17
Tuesday
Sunny
5.4°C/-0.1°C
3/18
Wednesday
Patchy rain nearby
7.1°C/0.2°C
3/19
Thursday
Patchy rain nearby
8.5°C/2°C
3/20
Friday
Patchy rain nearby
4.7°C/-0.1°C
3/21
Saturday
Patchy rain nearby
7.5°C/2.4°C
3/22
Sunday
Sunny
8.9°C/2.8°C
3/23
Monday
Patchy rain nearby
10.2°C/4°C

Onuma Frequently Asked Questions and Useful Information for Travel

What is Onuma known for?

Onuma is primarily known for Onuma Quasi-National Park in Hokkaido, Japan. This scenic area features Lake Onuma, a large lake dotted with numerous small islands connected by bridges, surrounded by picturesque birch and maple forests. It's a popular destination for its natural beauty and outdoor activities.

What activities can you do at Onuma Park?

Onuma Park offers a variety of activities for nature lovers. In warmer months, visitors can enjoy cycling, canoeing, horseback riding, camping, and hiking. During winter, when the park is covered in snow, popular activities include snowshoeing, ice fishing, and snowmobiling.

Is Onuma Park worth visiting?

Yes, Onuma Park is definitely worth visiting, especially for its natural charm and accessibility. The area between Lake Onuma and Lake Konuma is particularly attractive and can be explored on foot via well-maintained walking courses. These paths allow easy exploration of the lakes' peninsulas and islands in as little as 15-60 minutes.

How can I explore Onuma Park?

Onuma Park is best explored on foot, especially the central area between the two lakes. Several walking courses are available, taking you across charming bridges that connect the park's many islands. For a broader experience, consider cycling or boat tours on the lake.

What is the meaning of the name Onuma?

The name Onuma is a Japanese surname that can translate to 'small swamp'. It is also famously associated with Onuma Quasi-National Park in Hokkaido, Japan, a scenic region characterized by its numerous small islands and lakes.