Spring (March–May): Average 52–67°F, mild and comfortable climate, but with relatively high rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 74–86°F, hot and humid, with rainfall concentrated in July. Common activities: Swimming, mountain climbing (sun protection and rain gear are recommended). Recommended clothing: Light and breathable clothing, sunscreen, rain gear.
Autumn (September–November): Average 67–57°F, pleasant climate, with reduced rainfall. Common activities: Maple leaf viewing, outdoor hiking. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 45–44°F, cold and dry, with less rainfall. Common activities: Hot spring experience, skiing (depending on snow conditions). Recommended clothing: Warm jacket, sweater, scarf, gloves.
Omachi climatological average
Annual average temperature: approx. 63.7°F / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: July
Omachi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
42.4°F
33.7
February
44.1°F
73.7
March
52.2°F
115
April
61.7°F
193.3
May
67.6°F
165.7
June
74.7°F
217
July
82.9°F
308
August
86°F
83.7
September
81.1°F
128.3
October
67.5°F
72
November
57.9°F
111
December
45.1°F
28.3
Omachi weather for the next seven days
4/7
Tuesday
Patchy rain nearby
57.7°F/39°F
4/8
Wednesday
Sunny
58.7°F/36.6°F
4/9
Thursday
Heavy rain
57.3°F/42.8°F
4/10
Friday
Heavy rain
62.3°F/53°F
4/11
Saturday
Sunny
68.2°F/46.5°F
4/12
Sunday
Partly Cloudy
66.3°F/51.6°F
4/13
Monday
Patchy rain nearby
59°F/55.6°F
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