Onomichi in August
6.6out of 10
Possible, with caveats
Hot: daytime highs around 32°C. Frequent rain: about 11 rainy days.
32°CAvg high
25°CAvg low
11Rainy days (107 mm)
13:17 hDaylight
05:33Sunrise · 18:50 Sunset
Why this score
- Hot: daytime highs around 32°C
- Frequent rain: about 11 rainy days
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in August varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 2°C | 43 mm | 6 | – | – | 6.3 |
| February | 10°C | 3°C | 55 mm | 7 | – | – | 6.3 |
| March | 14°C | 6°C | 92 mm | 11 | – | – | 6.3 |
| April | 19°C | 11°C | 108 mm | 10 | – | – | 7.2 |
| May | 24°C | 15°C | 122 mm | 10 | – | – | 7.5 |
| June | 27°C | 20°C | 186 mm | 13 | – | – | 6.8 |
| July | 30°C | 24°C | 186 mm | 14 | – | – | 6.4 |
| August | 32°C | 25°C | 107 mm | 11 | – | – | 6.6 |
| September | 28°C | 21°C | 146 mm | 10 | – | – | 7.4 |
| October | 23°C | 15°C | 104 mm | 8 | – | – | 8.0 |
| November | 17°C | 9°C | 53 mm | 6 | – | – | 7.5 |
| December | 12°C | 4°C | 47 mm | 6 | – | – | 6.7 |
Frequently asked questions
How hot is Onomichi in August?
Daytime highs average 32°C and nights about 25°C.
When is the best time to visit Onomichi?
The best months are October, May, November, September.