Climate averages 1991–2020
Nikkō weather
in June.
A mild, very wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Nikkō: daytime highs average 21.9°C and nights cool to about 14.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 228 mm of rain on roughly 22 days, which makes June a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 38 min on an average June day.
The nearest other city in this atlas is Kanuma (25 km away). In June its highs average 23.5°C, 1.5°C warmer than Nikkō, with 204 mm of rain.
Among the 303 cities listed in Japan, Nikkō ranks 284th of 303 for the warmest June highs and joint 221st of 303 for the driest June (rainfall, lowest first). The mean June high of those 303 cities is 24.4°C; Nikkō is 2.4°C cooler than that mean.
From June to July, average highs rise by 3.5°C to 25.5°C, and monthly rainfall rises from 228 mm to 305 mm.
The annual picture
June 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, selected | 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 | 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
June in nearby cities
- Kanuma in JuneJapan · 25 kmHigh 23.5°C · Low 15.8°C · 204 mm rain
- Utsunomiya in JuneJapan · 31 kmHigh 23.7°C · Low 15.6°C · 144 mm rain
- Ōtawara in JuneJapan · 39 kmHigh 23.5°C · Low 15.2°C · 163 mm rain
- Tochigi in JuneJapan · 42 kmHigh 24.7°C · Low 16.8°C · 204 mm rain
- Kiryū in JuneJapan · 46 kmHigh 24.6°C · Low 16.6°C · 173 mm rain
- Nasushiobara in JuneJapan · 47 kmHigh 23.4°C · Low 15.1°C · 176 mm rain
- Sano in JuneJapan · 48 kmHigh 24.8°C · Low 17.0°C · 187 mm rain
- Mooka in JuneJapan · 50 kmHigh 24.9°C · Low 16.6°C · 144 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.