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
5/10
Sunday
Partly Cloudy
69°F/50.4°F
5/11
Monday
Patchy rain nearby
72°F/51.9°F
5/12
Tuesday
Partly Cloudy
70.5°F/55.5°F
5/13
Wednesday
Sunny
74°F/53.5°F
5/14
Thursday
Patchy rain nearby
73.4°F/56.4°F
5/15
Friday
Sunny
76°F/54.7°F
5/16
Saturday
Sunny
79.2°F/56.3°F
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