Weather in Nagano for October 2026
So far, October 2026 in Nagano is slightly warmer than the historical average by 1.1 °C.
The forecast for the upcoming days in Nagano predicts a temperature of 15.5 °C, which is slightly above the historical average.
In general, the average temperature in Nagano at the beginning of October is 20.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.5 °C by the end of October.
The climate of Nagano in October is notably wet, with an average of 14 rainy days, and a total of 145.9 mm of precipitation.
Is October a good time to visit Nagano? check out the best time to travel to Nagano page.
✨ Is October a good time to visit Nagano? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
Nagano Weather October
What’s the Weather Like in Nagano This October?
Temperatures trend during October in Nagano
October weather in Nagano day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain | 23° /12° | 5.8 mm | 6 | |
| 2 Oct. |  Patchy rain possible | 22° /10° | 1.8 mm | 5 | |
| 3 Oct. | Patchy rain possible | 21° /9° | 1.6 mm | 5 | |
| 4 Oct. | Light rain | 22° /10° | 6.5 mm | 5 | |
| 5 Oct. | Light rain | 22° /10° | 4.4 mm | 5 | |
| 6 Oct. | Patchy rain possible | 18° /11° | 2.4 mm | 4 | |
| 7 Oct. | Light rain | 18° /9° | 6.3 mm | 4 | |
| 8 Oct. | Light rain | 19° /8° | 7.8 mm | 4 | |
| 9 Oct. | Light rain | 19° /8° | 4 mm | 4 | |
| 10 Oct. | Light rain | 21° /9° | 6.4 mm | 5 | |
| 11 Oct. | Patchy rain possible | 21° /9° | 0.9 mm | 4 | |
| 12 Oct. | Light rain | 21° /9° | 2.7 mm | 4 | |
| 13 Oct. | Light rain | 20° /8° | 3.7 mm | 4 | |
| 14 Oct. | Light rain | 20° /8° | 6.8 mm | 5 | |
| 15 Oct. | Light rain | 21° /8° | 2.8 mm | 5 | |
| 16 Oct. | Light rain | 21° /8° | 7.1 mm | 4 | |
| 17 Oct. | Light rain | 19° /7° | 7.7 mm | 4 | |
| 18 Oct. | Light rain | 20° /6° | 4.3 mm | 4 | |
| 19 Oct. | Light rain | 18° /7° | 7.8 mm | 4 | |
| 20 Oct. |  Moderate or heavy rain shower | 16° /5° | 8.2 mm | 3 | |
| 21 Oct. | Moderate rain at times | 17° /5° | 5.2 mm | 3 | |
| 22 Oct. | Patchy rain possible | 16° /3° | 0.4 mm | 3 | |
| 23 Oct. | Light rain | 17° /5° | 4.7 mm | 4 | |
| 24 Oct. | Light rain | 16° /4° | 3.6 mm | 4 | |
| 25 Oct. | Light rain | 16° /5° | 4.8 mm | 3 | |
| 26 Oct. |  Moderate rain | 16° /6° | 11.8 mm | 4 | |
| 27 Oct. | Patchy rain possible | 17° /4° | 1.2 mm | 4 | |
| 28 Oct. | Light rain | 10° /2° | 6.7 mm | 2.4 | |
| 29 Oct. |  Partly cloudy | 17° /-1° | 0 mm | 3.9 | |
| 30 Oct. | Patchy rain possible | 18° /6° | 1.7 mm | 3.5 | |
| 31 Oct. | Moderate rain | 17° /7° | 11.7 mm | 3.9 | |
| Next | |||||
Nagano weather in October vs September vs November
| September | October | November | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/14° | 18°/7° | 12°/2° |
| Rainfall | 232 mm | 146 mm | 145 mm |
| Snowfall | 0 cm | 0 cm | 7 cm |
| Wind | 8.3 km/h | 9.1 km/h | 8.2 km/h |
| Humidity | 85% | 81% | 78% |
| Rainy days | 19 days | 14 days | 13 days |
| Snow days | 0 days | 0 days | 3 days |
| Dry days | 11 days | 17 days | 14 days |
Planning a trip to Nagano? Discover the best time to visit
Nagano in October - FAQ
What are the expected maximum and minimum temperatures in Nagano during October?
How much rainfall should be expected in Nagano during October?
What are the typical wind conditions in Nagano during October?
October rainfall patterns in Nagano
UV exposure in Nagano during October
What to pack to Nagano in October?
Cold & raw · highs around 18 °C, frequent showers
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
👟 Footwear
🎒 Accessories
Where is Nagano?Get accurate weather forecasts for Nagano, located at latitude 36.65 and longitude 138.183. Stay updated with localized weather information tailored for Nagano.