Nagano
October
Weather in Nagano for October 2025
Your guide to Nagano weather in October - trends and predictions
In general, the average temperature in Nagano at the beginning of October is 21.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17 °C by the end of October.
Expect significant rainfall in Nagano during October, with an average of 19 rainy days.
Is October a good time to visit Nagano? check out the best time to travel to Nagano page.
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12
Dry days
19
Rainy days
0
Snow days
18°/3°
Temperatures
10 km/h
Avg max wind
78 %
Avg humidity
Nagano in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 23° | 3  19° | 4  20° | 5 20° | ||
| 6 21° | 7 20° | 8  16° | 9  16° | 10 18° | 11 18° | 12 20° |
| 13 19° | 14  20° | 15  20° | 16 19° | 17 20° | 18 22° | 19 22° |
| 20 22° | 21 15° | 22 17° | 23 20° | 24 19° | 25 18° | 26 19° |
| 27 20° | 28 15° | 29 14° | 30 16° | 31 17° |
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Temperatures trend during October in Nagano
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Light rain shower | 25° /10° | 4 mm | 6 | |
| 2 Oct. | Light rain shower | 23° /7° | 1.2 mm | 5 | |
| 3 Oct. | Sunny | 19° /8° | 4.5 mm | 5 | |
| 4 Oct. | Light rain | 20° /10° | 15.5 mm | 5 | |
| 5 Oct. | Light rain shower | 20° /10° | 4 mm | 5 | |
| 6 Oct. | Patchy rain possible | 21° /11° | 1 mm | 5 | |
| 7 Oct. | Patchy rain possible | 20° /9° | 7.4 mm | 5 | |
| 8 Oct. | Overcast | 16° /5° | 18.1 mm | 4 | |
| 9 Oct. | Fog | 16° /7° | 10.7 mm | 4 | |
| 10 Oct. | Light rain shower | 18° /6° | 7.5 mm | 4 | |
| 11 Oct. | Patchy rain possible | 18° /6° | 0.8 mm | 4 | |
| 12 Oct. | Patchy rain possible | 20° /4° | 0.6 mm | 5 | |
| 13 Oct. | Overcast | 19° /3° | 0 mm | 5 | |
| 14 Oct. | Partly cloudy | 20° /4° | 0 mm | 6 | |
| 15 Oct. | Patchy light rain with thunder | 20° /5° | 7 mm | 5 | |
| 16 Oct. | Patchy rain possible | 19° /6° | 1.2 mm | 4 | |
| 17 Oct. | Patchy rain possible | 20° /5° | 0.3 mm | 5 | |
| 18 Oct. | Overcast | 22° /5° | 0 mm | 5 | |
| 19 Oct. | Overcast | 22° /7° | 12 mm | 5 | |
| 20 Oct. | Light rain | 22° /4° | 4.9 mm | 5 | |
| 21 Oct. | Light rain shower | 15° /1° | 4.2 mm | 4 | |
| 22 Oct. | Sunny | 17° /1° | 0.2 mm | 5 | |
| 23 Oct. | Patchy rain possible | 20° /7° | 0.8 mm | 5 | |
| 24 Oct. | Patchy rain possible | 19° /5° | 0.4 mm | 4 | |
| 25 Oct. | Patchy light rain with thunder | 18° /4° | 1.1 mm | 4 | |
| 26 Oct. | Patchy rain possible | 19° /3° | 0.3 mm | 5 | |
| 27 Oct. | Light rain shower | 20° /4° | 0.5 mm | 5 | |
| 28 Oct. | Light rain shower | 15° /5° | 20 mm | 4 | |
| 29 Oct. | Light rain shower | 14° /4° | 10.4 mm | 4 | |
| 30 Oct. | Patchy rain possible | 16° /1° | 12.2 mm | 4 | |
| 31 Oct. | Patchy rain possible | 17° /1° | 0.1 mm | 5 | |
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Important Notice
Our weather forecast for Nagano in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Nagano forecast closer to your planned date for the most up-to-date weather information.
Nagano in October - FAQ
What are the expected maximum and minimum temperatures in Nagano during October?
During October, expect a variety of temperatures with highs around 18° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nagano during October?
Moderate rainfall is anticipated in Nagano during October, with a total of 96 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Nagano during October?
The average wind speed in Nagano during October is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Nagano in October?
As you prepare for your trip to Nagano in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Nagano, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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