Spring (March–May): Average 50–65°F, mild and comfortable climate, but with relatively high rainfall, especially in April. Be prepared for rain. Common activities: Hiking, flower viewing, sightseeing. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 72–82°F, hot and humid with abundant rainfall. Common activities: Playing in streams, mountain climbing (be sure to protect yourself from sun and rain). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 64–77°F, pleasant climate, but September has the most rainfall. Be prepared for rain. Common activities: Viewing autumn leaves, hiking, photography. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Winter (December–February): Average 39–44°F, cold and dry with low rainfall. Common activities: Hot springs, skiing (requires travel to other areas). Recommended clothing: Warm coat, hat, gloves, scarf.
Okutama climatological average
Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1726 mm / Summer humidity: 70%–80% / Rainiest month: September
Okutama monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
39.6°F
28.7
February
41.7°F
50
March
50.2°F
129.1
April
59.5°F
138.2
May
65.3°F
149.3
June
72.5°F
261.4
July
81.7°F
170.7
August
82.4°F
251.1
September
77.4°F
324.6
October
64°F
128.3
November
55.6°F
71.6
December
44.1°F
23.9
Okutama weather for the next seven days
12/21
Sunday
Patchy rain nearby
62°F/50.9°F
12/22
Monday
Partly Cloudy
51.7°F/39°F
12/23
Tuesday
Sunny
45.5°F/35.4°F
12/24
Wednesday
Moderate rain
46.4°F/41.6°F
12/25
Thursday
Partly Cloudy
50.1°F/39°F
12/26
Friday
Sunny
43°F/34.3°F
12/27
Saturday
Moderate rain
44.2°F/39.2°F
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