Ryōtsu Weather in October
What's the weather like in Ryōtsu (Niigata) in October 2025?
The climate in Ryōtsu during October can be summarized as mild and wet.
October is in the fall / autumn in Ryōtsu and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 18.4°C 65.1°F |
|---|---|
| Nightly temperature | 10.6°C 51.1°F |
| Average temperature | 14.5°C 58.1°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 139 mm 5.5 ins |
| Rainy days | 20 days |
| Sea temperature | 20.5°C 69°F |
| Humidity | 73% |
| Windspeed | 13kph 8 mph |
On average October is the 6th driest month of the year in Ryōtsu with around 139mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
October temperatures in Ryōtsu
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ryōtsu in October 2025.
Other monthly averages
Best places to visit in October
Ryōtsu weather stats
| Hottest month: | August | 28.1°C 82.6°F |
|---|---|---|
| Driest month: | March | 95mm 3.7ins |
| Sunniest month: | August | 7hrs |
| Coldest month: | February | 3.8°C 38.8°F |
| Wettest month: | December | 179mm 7ins |
© Google
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