Niigata weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: May – July, September – October
What is the weather like in Niigata in June?
In June, Niigata is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 19.7 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 120 mm in total. All in all, June is a good month for a holiday in Niigata.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 47 min04:21 – 19:07
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 30 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Niigata in June: quick answers
Is Niigata hot in June?
Warm rather than hot: in June, daytime highs in Niigata average 24 °C and nights cool to about 17 °C.
Can you swim in Niigata in June?
Only if you don't mind cold water: in June the sea averages just 19.7 °C. Comfortable swimming is possible from July to October.
Does it rain much in Niigata in June?
Rain is frequent, with about 12 rainy days and 120 mm in total.
Niigata month by month
The whole year in NiigataAll destinations: JapanWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences