Click on a day for an hourly weather forecast
The temperatures in Nikko in October are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Nikko during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Nikko in October 2025.
If you’re planning to visit Nikko in the near future, we highly recommend that you review the 14 day weather forecast for Nikko before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -6° | 8 | 4 | 21 | 107 mm | Awful | Nikko in January |
| February | 5° / -5° | 9 | 4 | 17 | 102 mm | Awful | Nikko in February |
| March | 9° / -2° | 9 | 12 | 11 | 173 mm | Awful | Nikko in March |
| April | 14° / 4° | 8 | 20 | 2 | 206 mm | Bad | Nikko in April |
| May | 20° / 10° | 9 | 22 | 0 | 234 mm | Ok | Nikko in May |
| June | 23° / 15° | 13 | 17 | 0 | 343 mm | Good | Nikko in June |
| July | 27° / 20° | 17 | 14 | 0 | 403 mm | Good | Nikko in July |
| August | 28° / 20° | 14 | 17 | 0 | 342 mm | Good | Nikko in August |
| September | 24° / 15° | 10 | 20 | 0 | 301 mm | Good | Nikko in September |
| October | 18° / 8° | 7 | 24 | 0 | 272 mm | Ok | Nikko in October |
| November | 13° / 3° | 5 | 25 | 1 | 126 mm | Ok | Nikko in November |
| December | 6° / -3° | 6 | 11 | 13 | 105 mm | Awful | Nikko in December |