I've been planning to see the Seto Ohashi Bridge for decades. Although this time, due to cloud cover, we didn't see the sun at its lowest point, I was still very satisfied.
We decided on the spot the day before, instead of taking the shuttle bus, to book a sunset viewing tour. The driver drove very smoothly and was very enthusiastic, holding up signs to explain the meeting time and carefully counting heads to avoid forgetting anyone.
The only regret was that the entire tour's detailed and engaging narration was only in Japanese, not English or Chinese. We agreed to practice our Japanese next time so we might have the chance to see the sun at its lowest point or cross the bridge again.
Anonymous User
Family
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
9/29
Tuesday
Light rain shower
19.7°C/18.8°C
9/30
Wednesday
Sunny
24.1°C/19.4°C
10/1
Thursday
Patchy rain nearby
25.1°C/20.2°C
10/2
Friday
Sunny
22.4°C/16.9°C
10/3
Saturday
Sunny
22.8°C/16.3°C
10/4
Sunday
Sunny
23.8°C/19.3°C
10/5
Monday
Patchy rain nearby
22.8°C/18.3°C
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