Climate averages 1991–2020
Nikkō weather
in July.
A warm, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Nikkō: daytime highs average 25.5°C and nights cool to about 18.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 305 mm of rain on roughly 25 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 25 min on an average July day.
The nearest other city in this atlas is Kanuma (25 km away). In July its highs average 26.9°C, 1.5°C warmer than Nikkō, with 262 mm of rain.
Among the 303 cities listed in Japan, Nikkō ranks joint 281st of 303 for the warmest July highs and 285th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Nikkō is 2.4°C cooler than that mean.
From July to August, average highs rise by 1.0°C to 26.4°C, and monthly rainfall falls from 305 mm to 259 mm.
The annual picture
July 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, selected | 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
July in nearby cities
- Kanuma in JulyJapan · 25 kmHigh 26.9°C · Low 20.0°C · 262 mm rain
- Utsunomiya in JulyJapan · 31 kmHigh 27.1°C · Low 19.8°C · 173 mm rain
- Ōtawara in JulyJapan · 39 kmHigh 26.8°C · Low 19.5°C · 212 mm rain
- Tochigi in JulyJapan · 42 kmHigh 28.1°C · Low 20.9°C · 262 mm rain
- Kiryū in JulyJapan · 46 kmHigh 28.0°C · Low 20.7°C · 217 mm rain
- Nasushiobara in JulyJapan · 47 kmHigh 26.7°C · Low 19.4°C · 240 mm rain
- Sano in JulyJapan · 48 kmHigh 28.2°C · Low 21.1°C · 220 mm rain
- Mooka in JulyJapan · 50 kmHigh 28.3°C · Low 20.8°C · 173 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.