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Okunikko Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Okunikko year round climate
Spring (March–May): 50–66°F on average, the climate transitions from cold to warm, with gradually increasing rainfall; suitable for hiking and mountain climbing. Common activities: flower viewing, hiking, mountain climbing. Recommended attire: light jacket, long-sleeved shirt, comfortable hiking shoes.
Summer (June–August): 74–85°F on average, hot and humid with more rainfall; afternoon thunderstorms are possible. Common activities: escaping the heat, playing in streams, forest bathing. Recommended attire: light and breathable clothing, rain gear, sunscreen.
Autumn (September–November): 66–80°F on average, pleasant climate with reduced rainfall, and the leaves turn red. Common activities: viewing autumn leaves, hiking, photography. Recommended attire: light jacket, long-sleeved shirt, comfortable walking shoes.
Winter (December–February): 41–44°F on average, cold and dry with a low probability of snowfall. Common activities: skiing (requires traveling to colder areas), onsen experience. Recommended attire: warm jacket, sweater, thermal clothing, waterproof and windproof shoes.
Okunikko climatological average
Annual average temperature: approx. 63.0°F / Annual rainfall: approx. 1565 mm / Summer humidity: 70%–80% / Rainiest month: June
Okunikko monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
41.2°F
47.4
February
43°F
54
March
50.9°F
122.5
April
61.5°F
160.1
May
66.7°F
199.8
June
74.7°F
248.8
July
84°F
176
August
85.1°F
224.1
September
80.8°F
116.5
October
66.4°F
105.2
November
57°F
91.9
December
45°F
19.2
Okunikko weather for the next seven days
12/27
Saturday
Partly Cloudy
42.9°F/29.3°F
12/28
Sunday
Sunny
48.1°F/32.2°F
12/29
Monday
Sunny
51°F/32.9°F
12/30
Tuesday
Patchy rain nearby
53.5°F/41.2°F
12/31
Wednesday
Patchy rain nearby
45.8°F/37.1°F
1/1
Thursday
Patchy rain nearby
44°F/34.8°F
1/2
Friday
Sunny
45.4°F/34.2°F
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