Weather in Japan for October 2025
In general, the average temperature in Japan at the beginning of October is 25.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of October.
Japan experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 147.4 mm.
Is October a good time to visit Japan? check out the best time to travel to Japan page.
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Japan in October average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2  28° | 3  26° | 4  27° | 5 25° | ||
| 6 23° | 7  22° | 8 24° | 9 20° | 10 24° | 11 24° | 12 22° |
| 13 21° | 14  23° | 15 23° | 16 24° | 17 23° | 18 21° | 19 21° |
| 20 21° | 21 20° | 22 20° | 23 22° | 24 20° | 25 18° | 26 21° |
| 27 19° | 28 21° | 29 19° | 30 19° | 31  19° |
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Temperatures trend during October in Japan
October weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Moderate or heavy rain shower | 26° /20° | 20.8 mm | 6 | |
| 2 Oct. | Sunny | 28° /19° | 2.6 mm | 6 | |
| 3 Oct. | Partly cloudy | 26° /19° | 0.8 mm | 6 | |
| 4 Oct. | Light rain shower | 27° /20° | 8.9 mm | 6 | |
| 5 Oct. | Sunny | 25° /18° | 10.8 mm | 6 | |
| 6 Oct. | Patchy rain possible | 23° /17° | 3.7 mm | 5 | |
| 7 Oct. | Cloudy | 22° /17° | 9.4 mm | 5 | |
| 8 Oct. | Cloudy | 24° /16° | 4.3 mm | 6 | |
| 9 Oct. | Moderate rain at times | 20° /16° | 16.3 mm | 5 | |
| 10 Oct. | Patchy rain possible | 24° /17° | 2.2 mm | 6 | |
| 11 Oct. | Sunny | 24° /18° | 0.1 mm | 6 | |
| 12 Oct. | Patchy rain possible | 22° /18° | 1.6 mm | 5 | |
| 13 Oct. | Moderate or heavy rain shower | 21° /17° | 7.1 mm | 5 | |
| 14 Oct. | Overcast | 23° /17° | 1.6 mm | 5 | |
| 15 Oct. | Overcast | 23° /17° | 10.9 mm | 5 | |
| 16 Oct. | Patchy rain possible | 24° /18° | 0.1 mm | 6 | |
| 17 Oct. | Patchy rain possible | 23° /18° | 6.2 mm | 5 | |
| 18 Oct. | Patchy rain possible | 21° /15° | 3.9 mm | 5 | |
| 19 Oct. | Overcast | 21° /16° | 4.7 mm | 5 | |
| 20 Oct. | Partly cloudy | 21° /14° | 1.5 mm | 6 | |
| 21 Oct. | Overcast | 20° /13° | 0.2 mm | 5 | |
| 22 Oct. | Moderate or heavy rain shower | 20° /14° | 3.1 mm | 5 | |
| 23 Oct. | Sunny | 22° /15° | 0.5 mm | 6 | |
| 24 Oct. | Partly cloudy | 20° /14° | 0.9 mm | 5 | |
| 25 Oct. | Overcast | 18° /13° | 6.6 mm | 4 | |
| 26 Oct. | Cloudy | 21° /14° | 6.7 mm | 5 | |
| 27 Oct. | Patchy rain possible | 19° /14° | 0.8 mm | 5 | |
| 28 Oct. | Sunny | 21° /14° | 3 mm | 5 | |
| 29 Oct. | Sunny | 19° /13° | 4.1 mm | 5 | |
| 30 Oct. | Partly cloudy | 19° /12° | 2.3 mm | 5 | |
| 31 Oct. | Heavy rain at times | 19° /14° | 1.7 mm | 5 | |
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Guide for Japan in October
In October, Japan experiences a transition from the warm, humid conditions of summer to cooler, drier weather as autumn takes hold. At the beginning of the month, the weather in Japan varies by region. In Tokyo, the average temperature is around 20°, with mild and pleasant conditions.
However, in Hokkaido, the northernmost island, temperatures can drop to around 12°, and the region experiences the first snowfall of the season. As the month progresses, the temperatures gradually decrease across the country.
By the end of October, Tokyo sees average temperatures of around 17°, while Hokkaido experiences much colder weather with temperatures dropping to around 5°.
In terms of precipitation, October in Japan sees a decrease in rainfall compared to the summer months. However, typhoons can still occur in early October, particularly in the southern regions of the country.
As the month progresses, the likelihood of typhoons diminishes, and Japan experiences clearer skies and lower humidity.
Overall, October in Japan offers a diverse range of weather conditions, from mild and pleasant in the south to chilly and potentially snowy in the north. It's a great time to experience the beautiful autumn foliage and participate in traditional festivals across the country.
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Japan in October - FAQ
What to pack to Japan in October?
As you prepare for your trip to Japan 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 Japan, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
October rainfall patterns in Japan
UV exposure in Japan during October
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