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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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Nagano in October average weather

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Temperatures trend during October in Nagano

See the weather trend as well as the moving average line
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October weather day by day

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Date Weather Temperatures Rain UV More
1 Oct. Light rain shower
Light rain shower
25° /10° 4 mm 6
2 Oct. Light rain shower
Light rain shower
23° /7° 1.2 mm 5
3 Oct. Sunny
Sunny
19° /8° 4.5 mm 5
4 Oct. Light rain
Light rain
20° /10° 15.5 mm 5
5 Oct. Light rain shower
Light rain shower
20° /10° 4 mm 5
6 Oct. Patchy rain possible
Patchy rain possible
21° /11° 1 mm 5
7 Oct. Patchy rain possible
Patchy rain possible
20° /9° 7.4 mm 5
8 Oct. Overcast
Overcast
16° /5° 18.1 mm 4
9 Oct. Fog
Fog
16° /7° 10.7 mm 4
10 Oct. Light rain shower
Light rain shower
18° /6° 7.5 mm 4
11 Oct. Patchy rain possible
Patchy rain possible
18° /6° 0.8 mm 4
12 Oct. Patchy rain possible
Patchy rain possible
20° /4° 0.6 mm 5
13 Oct. Overcast
Overcast
19° /3° 0 mm 5
14 Oct. Partly cloudy
Partly cloudy
20° /4° 0 mm 6
15 Oct. Patchy light rain with thunder
Patchy light rain with thunder
20° /5° 7 mm 5
16 Oct. Patchy rain possible
Patchy rain possible
19° /6° 1.2 mm 4
17 Oct. Patchy rain possible
Patchy rain possible
20° /5° 0.3 mm 5
18 Oct. Overcast
Overcast
22° /5° 0 mm 5
19 Oct. Overcast
Overcast
22° /7° 12 mm 5
20 Oct. Light rain
Light rain
22° /4° 4.9 mm 5
21 Oct. Light rain shower
Light rain shower
15° /1° 4.2 mm 4
22 Oct. Sunny
Sunny
17° /1° 0.2 mm 5
23 Oct. Patchy rain possible
Patchy rain possible
20° /7° 0.8 mm 5
24 Oct. Patchy rain possible
Patchy rain possible
19° /5° 0.4 mm 4
25 Oct. Patchy light rain with thunder
Patchy light rain with thunder
18° /4° 1.1 mm 4
26 Oct. Patchy rain possible
Patchy rain possible
19° /3° 0.3 mm 5
27 Oct. Light rain shower
Light rain shower
20° /4° 0.5 mm 5
28 Oct. Light rain shower
Light rain shower
15° /5° 20 mm 4
29 Oct. Light rain shower
Light rain shower
14° /4° 10.4 mm 4
30 Oct. Patchy rain possible
Patchy rain possible
16° /1° 12.2 mm 4
31 Oct. Patchy rain possible
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

October rainfall patterns in Nagano

Explore the daily rainfall trends and prepare for Naganos October weather 💧

UV exposure in Nagano during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Get accurate weather forecasts for Nagano, located at latitude 36.65 and longitude 138.183. Stay updated with localized weather information tailored for Nagano.

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