Jōetsu Weather in July
Average highs run from 24°C on July 1 to 28°C on July 31, and lows from 18°C to 21°C. Normal precipitation for the month is 195 mm over about 19 wet days.
July day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
July at a glance
- Average high
- 26°C
- Average low
- 20°C
- Precipitation
- 195 mm
- Reanalysis high
- 33°CJul 29, 1994
- Reanalysis low
- 13°CJul 7, 1996
- Daylight
- 14 h 41 min to 14 h 05 min
- Cloud cover
- 77%
- Humidity
- 84%
- Dew point
- 20°C
- Wind
- 8.6 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 |
|---|---|---|---|---|---|
| Jul 1 | 24°C | 18°C | 30°C 2018 | 14°C 2008 | 65% |
| Jul 2 | 24°C | 18°C | 30°C 2018 | 14°C 2008 | 66% |
| Jul 3 | 25°C | 18°C | 28°C 2018 | 14°C 2003 | 66% |
| Jul 4 | 25°C | 18°C | 28°C 2018 | 13°C 1993 | 66% |
| Jul 5 | 25°C | 18°C | 31°C 2004 | 14°C 2003 | 66% |
| Jul 6 | 25°C | 18°C | 29°C 2002 | 14°C 1993 | 67% |
| Jul 7 | 25°C | 19°C | 30°C 2004 | 13°C 1996 | 68% |
| Jul 8 | 25°C | 19°C | 29°C 2004 | 16°C 1996 | 68% |
| Jul 9 | 25°C | 19°C | 31°C 2011 | 14°C 1999 | 68% |
| Jul 10 | 25°C | 19°C | 30°C 2017 | 16°C 1999 | 68% |
| Jul 11 | 25°C | 19°C | 30°C 2006 | 15°C 1996 | 68% |
| Jul 12 | 25°C | 19°C | 29°C 2015 | 14°C 1996 | 67% |
| Jul 13 | 26°C | 19°C | 32°C 2015 | 15°C 1996 | 66% |
| Jul 14 | 26°C | 19°C | 31°C 1994 | 15°C 1998 | 65% |
| Jul 15 | 26°C | 19°C | 31°C 1994 | 15°C 1998 | 64% |
| Jul 16 | 26°C | 20°C | 31°C 2012 | 15°C 2003 | 62% |
| Jul 17 | 26°C | 20°C | 30°C 2018 | 15°C 2003 | 62% |
| Jul 18 | 26°C | 20°C | 29°C 2018 | 16°C 1997 | 62% |
| Jul 19 | 26°C | 20°C | 30°C 2018 | 16°C 1991 | 60% |
| Jul 20 | 26°C | 20°C | 30°C 2018 | 16°C 1993 | 59% |
| Jul 21 | 27°C | 20°C | 31°C 2015 | 15°C 1993 | 57% |
| Jul 22 | 27°C | 20°C | 31°C 1994 | 15°C 1993 | 56% |
| Jul 23 | 27°C | 20°C | 32°C 1994 | 17°C 2007 | 56% |
| Jul 24 | 27°C | 20°C | 31°C 1994 | 17°C 1993 | 56% |
| Jul 25 | 27°C | 20°C | 32°C 1994 | 18°C 2003 | 54% |
| Jul 26 | 27°C | 21°C | 32°C 2014 | 17°C 2003 | 52% |
| Jul 27 | 27°C | 21°C | 31°C 2019 | 17°C 2000 | 51% |
| Jul 28 | 27°C | 21°C | 30°C 1994 | 18°C 2003 | 50% |
| Jul 29 | 28°C | 21°C | 33°C 1994 | 18°C 2014 | 50% |
| Jul 30 | 28°C | 21°C | 32°C 2000 | 18°C 2007 | 51% |
| Jul 31 | 28°C | 21°C | 32°C 2000 | 17°C 2007 | 52% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- July 1
- sunrise 4:30 AM, sunset 7:11 PM
- July 31
- sunrise 4:51 AM, sunset 6:56 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.