Spring (March–May): Average 47–63°F, mild climate but with relatively high rainfall, especially in April. Common activities: enjoying nature, flower viewing. Recommended clothing: light jacket, long-sleeved shirt, and umbrella.
Summer (June–August): Average 72–82°F, hot and humid with frequent rainfall, especially in July and August. Common activities: visiting summer resorts, playing in streams. Recommended clothing: breathable short-sleeved clothing, shorts, sandals, and umbrella.
Autumn (September–November): Average 63–77°F, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: hiking, outings. Recommended clothing: long-sleeved shirt, light jacket.
Winter (December–February): Average 38–42°F, cold and dry with low rainfall. Common activities: hot springs, enjoying winter scenery. Recommended clothing: warm coat, sweater, scarf, hat.
Koga climatological average
Annual average temperature: approx. 60.1°F / Annual rainfall: approx. 1652 mm / Summer humidity: 70%–80% / Rainiest month: August
Koga monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
38.5°F
29.7
February
40.3°F
46.9
March
47.8°F
135.2
April
58.6°F
136.8
May
63.7°F
171.5
June
72.1°F
268.1
July
81.3°F
156.1
August
82.8°F
336.7
September
77.7°F
162.6
October
63.1°F
106.1
November
53.4°F
84.8
December
42.4°F
18
Koga weather for the next seven days
3/4
Wednesday
Patchy rain nearby
47.8°F/39.1°F
3/5
Thursday
Sunny
50.4°F/37.4°F
3/6
Friday
Patchy rain nearby
55.7°F/35.6°F
3/7
Saturday
Patchy rain nearby
48.7°F/39°F
3/8
Sunday
Partly Cloudy
47.3°F/35.7°F
3/9
Monday
Partly Cloudy
51.2°F/35.4°F
3/10
Tuesday
Patchy rain nearby
45.6°F/36.8°F
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