Weather in Nagano for October 2025
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.
- New! Chat with our AI weatherman - it’s amazing and free.
Nagano in October average weather
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° |
You can click on date
Temperatures trend during October in Nagano
October weather day by day
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 | |
Next |
Nagano in October - FAQ
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
October rainfall patterns in Nagano
UV exposure in Nagano during October
Quick links
Get accurate weather forecasts for Nagano, located at latitude 36.65 and longitude 138.183. Stay updated with localized weather information tailored for Nagano.