Get Exclusive App Deals

Lake Okutama

Travel Info
More destinations

Lake Okutama Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Lake Okutama year round climate

  • Spring (March–May): 8.6–17.4°C on average, mild climate, but with potentially large temperature variations; rainfall increases gradually. Common activities: Hiking, flower viewing (e.g., mountain cherry blossoms). Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): 21.6–27.2°C on average, hot and humid, relatively high rainfall, especially in June and August. Common activities: Boating, camping (be mindful of weather changes). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): 16.0–24.2°C on average, pleasant and comfortable climate, decreasing rainfall; colorful autumn leaves are a characteristic of the season. Common activities: Maple leaf viewing, hiking. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): 2.3–4.4°C on average, cold and dry, low rainfall. Common activities: Hot spring bathing, enjoying winter scenery. Recommended clothing: Warm clothing, thick jacket, hat, gloves, scarf.

Lake Okutama climatological average

Annual average temperature: approx. 14.8°C / Annual rainfall: approx. 1315 mm / Summer humidity: 70%–80% / Rainiest month: June

Lake Okutama monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
2.3°C
10.2
February
3.7°C
44.8
March
8.6°C
83.7
April
14.4°C
90
May
17.4°C
141.7
June
21.6°C
220.5
July
26.7°C
133.3
August
27.2°C
214.8
September
24.2°C
207.6
October
16°C
98.1
November
10.6°C
62.7
December
4.4°C
7.7

Lake Okutama weather for the next seven days

5/18
Monday
Sunny
27.6°C/11.8°C
5/19
Tuesday
Sunny
28.3°C/14.3°C
5/20
Wednesday
Moderate rain
22.6°C/14.9°C
5/21
Thursday
Heavy rain
15.6°C/12.2°C
5/22
Friday
Heavy rain
12.6°C/11.2°C
5/23
Saturday
Patchy rain nearby
14.1°C/11.3°C
5/24
Sunday
Patchy rain nearby
18.3°C/14°C