Saku Weather in October
What's the weather like in Saku (Nagano) in October 2025?
The climate in Saku during October can be summarized as mild and a little damp.
October is in the fall / autumn in Saku and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 17.3°C 63.1°F |
|---|---|
| Nightly temperature | 6.7°C 44.1°F |
| Average temperature | 12°C 53.6°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 14 days |
| Sea temperature | 21.5°C 70.7°F |
| Humidity | 79% |
| Windspeed | 6.8kph 4 mph |
On average October is the 6th wettest month of the year in Saku with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 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 Saku
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 Saku in October 2025.
Other monthly averages
Best places to visit in October
Saku weather stats
| Hottest month: | August | 28.1°C 82.6°F |
|---|---|---|
| Driest month: | December | 24mm 0.9ins |
| Sunniest month: | January | 6.1hrs |
| Coldest month: | January | 3.2°C 37.8°F |
| Wettest month: | July | 177mm 7ins |
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