Seto Ohashi Bridge Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Seto Ohashi Bridge year round climate
Spring (March–May): Average 10.6–18.9°C, mild and comfortable climate, but with relatively high rainfall; prepare for rain. Common activities: enjoying the outdoors, flower viewing (such as cherry blossoms and peach blossoms, depending on actual blooming conditions). Recommended clothing: light jacket, long-sleeved shirt and pants.
Summer (June–August): Average 23.1–29.6°C, hot and humid with relatively high rainfall; pay attention to heatstroke prevention. Common activities: seaside activities (pay attention to safety), visiting indoor attractions. Recommended clothing: light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 19.8–27.0°C, comfortable climate, rainfall gradually decreases. Common activities: outdoor activities, viewing autumn leaves (depending on actual leaf color change conditions). Recommended clothing: comfortable long-sleeved shirt and pants, light jacket.
Winter (December–February): Average 6.4–8.6°C, low temperature, dry and cold with relatively low rainfall. Common activities: indoor leisure activities, onsen experience. Recommended clothing: warm jacket, sweater, scarf, gloves.
Seto Ohashi Bridge climatological average
Annual average temperature: approx. 17.4°C / Annual rainfall: approx. 1141 mm / Summer humidity: 70%–80% / Rainiest month: June
Seto Ohashi Bridge monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.4°C
28
February
6.5°C
54.6
March
10.6°C
93.9
April
15.6°C
110.7
May
18.9°C
145.9
June
23.1°C
205.5
July
28°C
134.7
August
29.6°C
116.2
September
27°C
101.8
October
19.8°C
59.6
November
14.6°C
72.8
December
8.6°C
17.7
Seto Ohashi Bridge weather for the next seven days
12/15
Monday
Sunny
10.3°C/7.7°C
12/16
Tuesday
Patchy rain nearby
11.7°C/6.5°C
12/17
Wednesday
Moderate rain
13.6°C/10.5°C
12/18
Thursday
Patchy rain nearby
12.6°C/9.4°C
12/19
Friday
Patchy rain nearby
14.3°C/8.6°C
12/20
Saturday
Partly Cloudy
15.7°C/12.1°C
12/21
Sunday
Patchy rain nearby
15°C/13.4°C
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