Spring (March–May): Average 10.1–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing (e.g., cherry blossoms, subject to actual blooming conditions). Recommended clothing: Light jacket, long-sleeved shirt, and umbrella.
Summer (June–August): Average 23.0–28.4°C, hot and humid, with concentrated rainfall in June, decreasing afterwards. Common activities: Outdoor swimming, camping (please check the weather forecast). Recommended clothing: Light and breathable clothing, sun hat, and sunscreen.
Autumn (September–November): Average 18.0–25.5°C, comfortable and pleasant climate, with relatively high rainfall in September. Common activities: Hiking, maple leaf viewing (subject to actual leaf color change). Recommended clothing: Comfortable long-sleeved shirt and light jacket.
Winter (December–February): Average 4.6–6.8°C, cold and dry, with low rainfall. Common activities: Indoor activities, hot spring trips. Recommended clothing: Warm jacket, scarf, hat, and gloves.
Okegawa climatological average
Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 1517 mm / Summer humidity: 70%–80% / Rainiest month: June
Okegawa monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.6°C
32.5
February
5.6°C
59.1
March
10.1°C
135.7
April
15.7°C
155.4
May
18.9°C
159.7
June
23°C
244.5
July
28.1°C
146.7
August
28.4°C
131.9
September
25.5°C
222.3
October
18°C
118.4
November
13°C
82.5
December
6.8°C
28.5
Okegawa weather for the next seven days
11/6
Thursday
Patchy rain nearby
17.6°C/13.3°C
11/7
Friday
Sunny
20.7°C/12.5°C
11/8
Saturday
Partly Cloudy
17.7°C/12.5°C
11/9
Sunday
Overcast
18.5°C/13.6°C
11/10
Monday
Partly Cloudy
22.2°C/13.8°C
11/11
Tuesday
Sunny
16.8°C/10.9°C
11/12
Wednesday
Partly Cloudy
19.4°C/13.2°C
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