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
10/19
Sunday
Patchy rain nearby
67.1°F/58.9°F
10/20
Monday
Moderate rain
65.1°F/58.4°F
10/21
Tuesday
Patchy rain nearby
54.5°F/48.7°F
10/22
Wednesday
Moderate rain
49.1°F/46.5°F
10/23
Thursday
Sunny
57.9°F/45.1°F
10/24
Friday
Sunny
58.6°F/43.4°F
10/25
Saturday
Partly Cloudy
57.9°F/45.2°F
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