Jōetsu Weather in June
Average highs run from 21°C on June 1 to 24°C on June 30, and lows from 13°C to 17°C. Normal precipitation for the month is 135 mm over about 15 wet days.
June day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
June at a glance
- Average high
- 22°C
- Average low
- 15°C
- Precipitation
- 135 mm
- Reanalysis high
- 29°CJun 30, 2018
- Reanalysis low
- 8°CJun 1, 1995
- Daylight
- 14 h 32 min to 14 h 41 min
- Cloud cover
- 76%
- Humidity
- 82%
- Dew point
- 15°C
- Wind
- 9.0 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 21°C | 13°C | 26°C 2014 | 8°C 1995 | 34% |
| Jun 2 | 21°C | 13°C | 28°C 2014 | 9°C 1995 | 35% |
| Jun 3 | 21°C | 13°C | 26°C 2014 | 9°C 2016 | 36% |
| Jun 4 | 21°C | 13°C | 27°C 2014 | 10°C 2017 | 38% |
| Jun 5 | 21°C | 13°C | 25°C 2001 | 9°C 1996 | 39% |
| Jun 6 | 21°C | 13°C | 25°C 1999 | 9°C 1996 | 40% |
| Jun 7 | 21°C | 14°C | 25°C 2002 | 10°C 1997 | 40% |
| Jun 8 | 21°C | 14°C | 28°C 2002 | 12°C 1993 | 41% |
| Jun 9 | 22°C | 14°C | 27°C 2020 | 10°C 1999 | 42% |
| Jun 10 | 22°C | 14°C | 26°C 2020 | 10°C 1999 | 44% |
| Jun 11 | 22°C | 14°C | 27°C 2002 | 10°C 2017 | 44% |
| Jun 12 | 22°C | 14°C | 28°C 2013 | 9°C 2017 | 46% |
| Jun 13 | 22°C | 15°C | 28°C 2013 | 11°C 2017 | 48% |
| Jun 14 | 22°C | 15°C | 26°C 2013 | 11°C 2018 | 50% |
| Jun 15 | 22°C | 15°C | 26°C 1999 | 11°C 2017 | 52% |
| Jun 16 | 22°C | 15°C | 26°C 1994 | 12°C 1992 | 54% |
| Jun 17 | 22°C | 15°C | 27°C 2013 | 12°C 2018 | 55% |
| Jun 18 | 23°C | 15°C | 26°C 1993 | 12°C 2008 | 56% |
| Jun 19 | 23°C | 16°C | 27°C 2016 | 14°C 1999 | 56% |
| Jun 20 | 23°C | 16°C | 29°C 2017 | 13°C 1992 | 57% |
| Jun 21 | 23°C | 16°C | 29°C 2005 | 13°C 1995 | 59% |
| Jun 22 | 23°C | 16°C | 27°C 2005 | 13°C 1992 | 60% |
| Jun 23 | 23°C | 16°C | 26°C 2003 | 13°C 1992 | 60% |
| Jun 24 | 23°C | 16°C | 27°C 2020 | 12°C 2002 | 61% |
| Jun 25 | 23°C | 17°C | 29°C 2005 | 12°C 2002 | 62% |
| Jun 26 | 24°C | 17°C | 28°C 2005 | 13°C 2002 | 64% |
| Jun 27 | 24°C | 17°C | 28°C 2009 | 14°C 2002 | 65% |
| Jun 28 | 24°C | 17°C | 27°C 2018 | 14°C 2002 | 65% |
| Jun 29 | 24°C | 17°C | 27°C 2018 | 14°C 2015 | 64% |
| Jun 30 | 24°C | 17°C | 29°C 2018 | 14°C 1993 | 64% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- June 1
- sunrise 4:29 AM, sunset 7:01 PM
- June 30
- sunrise 4:30 AM, sunset 7:11 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.