Climate averages 1991–2020
Nikkō weather
in October.
A mild, very wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Nikkō: daytime highs average 17.4°C and nights cool to about 10.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 198 mm of rain on roughly 17 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average October day.
The nearest other city in this atlas is Kanuma (25 km away). In October its highs average 19.0°C, 1.6°C warmer than Nikkō, with 206 mm of rain.
Among the 303 cities listed in Japan, Nikkō ranks 280th of 303 for the warmest October highs and 211th of 303 for the driest October (rainfall, lowest first). The mean October high of those 303 cities is 20.4°C; Nikkō is 2.9°C cooler than that mean.
From October to November, average highs fall by 5.4°C to 12.0°C, and monthly rainfall falls from 198 mm to 84 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Nikkō climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.3°C-5.1°C | -5.1°C | 62 | 9.6 | 10.010 h |
| February | 4.0°C-5.0°C | -5.0°C | 59 | 9.7 | 10.811 h |
| March | 8.1°C-1.8°C | -1.8°C | 112 | 14.0 | 11.912 h |
| April | 14.3°C3.7°C | 3.7°C | 137 | 15.1 | 13.113 h |
| May | 19.1°C9.4°C | 9.4°C | 176 | 17.1 | 14.114 h |
| June | 21.9°C14.4°C | 14.4°C | 228 | 22.1 | 14.615 h |
| July | 25.5°C18.7°C | 18.7°C | 305 | 25.4 | 14.414 h |
| August | 26.4°C19.8°C | 19.8°C | 259 | 24.9 | 13.614 h |
| September | 22.8°C16.3°C | 16.3°C | 268 | 20.1 | 12.512 h |
| October, selected | 17.4°C10.0°C | 10.0°C | 198 | 16.6 | 11.311 h |
| November | 12.0°C3.4°C | 3.4°C | 84 | 9.4 | 10.210 h |
| December | 6.4°C-1.8°C | -1.8°C | 59 | 10.1 | 9.710 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Kanuma in OctoberJapan · 25 kmHigh 19.0°C · Low 11.6°C · 206 mm rain
- Utsunomiya in OctoberJapan · 31 kmHigh 19.1°C · Low 11.1°C · 164 mm rain
- Ōtawara in OctoberJapan · 39 kmHigh 18.6°C · Low 10.8°C · 169 mm rain
- Tochigi in OctoberJapan · 42 kmHigh 20.1°C · Low 12.6°C · 206 mm rain
- Kiryū in OctoberJapan · 46 kmHigh 19.7°C · Low 12.2°C · 168 mm rain
- Nasushiobara in OctoberJapan · 47 kmHigh 18.3°C · Low 10.8°C · 185 mm rain
- Sano in OctoberJapan · 48 kmHigh 20.2°C · Low 12.7°C · 206 mm rain
- Mooka in OctoberJapan · 50 kmHigh 20.3°C · Low 12.3°C · 164 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Nikkō) is explained once on the Nikkō year overview and on the Sources, method and limits page.