Oyama Town Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Oyama Town year round climate
Spring (March–May): 48–64°F on average, mild but with relatively heavy rainfall, especially in April. Common activities: Flower viewing (such as cherry blossoms and azaleas, depending on the blooming season), enjoying nature. Recommended clothing: Light jacket, comfortable long-sleeved clothing, and rain gear are essential.
Summer (June–August): 69–80°F on average, hot and rainy, with the most rainfall in June. Be sure to protect yourself from the sun and rain. Common activities: Summer resort (find indoor activities or shady areas), playing in the streams (pay attention to safety). Recommended clothing: Light and breathable clothing, rain gear, and sun protection clothing.
Autumn (September–November): 61–75°F on average, comfortable temperature, with gradually decreasing rainfall. Common activities: Hiking, viewing maple leaves (depending on when the maple leaves turn red), outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt, the temperature difference between morning and evening is large, so prepare warm clothing.
Winter (December–February): 37–41°F on average, cold and dry, with less rainfall. Common activities: Hot spring trips, indoor activities. Recommended clothing: Thick coat, warm clothing, scarf, gloves, hat.
Oyama Town climatological average
Annual average temperature: approx. 59.2°F / Annual rainfall: approx. 3016 mm / Summer humidity: 70%–80% / Rainiest month: June
Oyama Town monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.6°F
56.5
February
40.3°F
177.5
March
48.9°F
270.6
April
58.6°F
290.8
May
64.2°F
360.3
June
70°F
555.1
July
79.3°F
260.4
August
80.1°F
238.5
September
75.6°F
312.6
October
61.3°F
215.3
November
52.3°F
215.3
December
41.2°F
63.4
Oyama Town weather for the next seven days
1/23
Friday
Sunny
35°F/23.6°F
1/24
Saturday
Sunny
39.9°F/25.5°F
1/25
Sunday
Light freezing rain
36.3°F/24.5°F
1/26
Monday
Moderate snow
36.1°F/24.9°F
1/27
Tuesday
Sunny
43.8°F/27.7°F
1/28
Wednesday
Heavy snow
35.8°F/29.2°F
1/29
Thursday
Moderate or heavy snow showers
32.6°F/25.3°F
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