Nikkō Weather in June
What's the weather like in Nikkō (Tochigi) in June 2025?
The climate in Nikkō during June can be summarized as mild and very wet.
June is in the summer in Nikkō and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 19.4°C 66.8°F |
|---|---|
| Nightly temperature | 11.1°C 51.9°F |
| Average temperature | 15.2°C 59.4°F |
| Daily sunshine | 4.5 hrs |
| Avg rainfall | 221 mm 8.7 ins |
| Rainy days | 22 days |
| Sea temperature | 21.2°C 70.2°F |
| Humidity | 82% |
| Windspeed | 8.3kph 5 mph |
On average June is the 4th wettest month of the year in Nikkō with around 221mm 8.7 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.5 hours of sunshine per day.
June temperatures in Nikkō
June rainfall
June hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nikkō in June 2025.
Other monthly averages
Nikkō weather stats
| Hottest month: | August | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | December | 41mm 1.6ins |
| Sunniest month: | January | 6.1hrs |
| Coldest month: | January | 0.9°C 33.6°F |
| Wettest month: | August | 318mm 12.5ins |
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