Oyama Town Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Oyama Town year round climate
Spring (March–May): 9.4–17.9°C 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): 21.1–26.7°C 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): 16.3–24.2°C 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): 3.1–5.1°C 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. 15.1°C / Annual rainfall: approx. 3016 mm / Summer humidity: 70%–80% / Rainiest month: June
Oyama Town monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.1°C
56.5
February
4.6°C
177.5
March
9.4°C
270.6
April
14.8°C
290.8
May
17.9°C
360.3
June
21.1°C
555.1
July
26.3°C
260.4
August
26.7°C
238.5
September
24.2°C
312.6
October
16.3°C
215.3
November
11.3°C
215.3
December
5.1°C
63.4
Oyama Town weather for the next seven days
1/20
Tuesday
Patchy rain nearby
10°C/-1°C
1/21
Wednesday
Heavy snow
0.4°C/-5.2°C
1/22
Thursday
Moderate or heavy snow showers
1.1°C/-6.8°C
1/23
Friday
Sunny
2.3°C/-7°C
1/24
Saturday
Sunny
4.1°C/-5.5°C
1/25
Sunday
Sunny
3.5°C/-4.9°C
1/26
Monday
Patchy snow nearby
4.4°C/-4.5°C
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