Spring (March–May): Average 49–64°F, mild climate but with relatively high rainfall, especially abundant in April and May. Common activities: Flower viewing, hiking. Recommended clothing: Light jacket, comfortable long pants or skirt.
Summer (June–August): Average 72–83°F, hot and humid, with the most rainfall in July. Common activities: Beach activities, swimming. Recommended clothing: Light and breathable clothing, shorts, sandals.
Autumn (September–November): Average 65–55°F, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: Hiking, viewing autumn leaves (depending on tree species). Recommended clothing: Light jacket, long-sleeved clothing.
Winter (December–February): Average 43–41°F, low temperatures, dry and less rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, hat.
Onomichi climatological average
Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: July
Onomichi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
40.5°F
22.3
February
41.9°F
55.2
March
49.8°F
106.4
April
59.2°F
137.2
May
64.8°F
161.4
June
72.7°F
167.8
July
81.9°F
177.6
August
83.1°F
107.8
September
79.7°F
82.9
October
65.1°F
77.6
November
55.4°F
59
December
43.5°F
19.8
Onomichi weather for the next seven days
4/13
Monday
Sunny
69.6°F/56.2°F
4/14
Tuesday
Patchy rain nearby
63.2°F/56.5°F
4/15
Wednesday
Moderate rain
59.8°F/56.9°F
4/16
Thursday
Sunny
67.5°F/50.6°F
4/17
Friday
Overcast
63.6°F/49.4°F
4/18
Saturday
Patchy rain nearby
63.1°F/54.7°F
4/19
Sunday
Sunny
71°F/51.4°F
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