Isumi Weather in July
Average highs run from 24°C on July 1 to 26°C on July 31, and lows from 23°C to 26°C. Normal precipitation for the month is 180 mm over about 16 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
- 25°C
- Average low
- 24°C
- Precipitation
- 180 mm
- Reanalysis high
- 28°CJul 20, 2018
- Reanalysis low
- 19°CJul 6, 1993
- Daylight
- 14 h 30 min to 13 h 57 min
- Cloud cover
- 74%
- Humidity
- 92%
- Dew point
- 23°C
- Wind
- 22.0 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 |
|---|---|---|---|---|---|
| Jul 1 | 24°C | 23°C | 27°C 2001 | 19°C 1993 | 56% |
| Jul 2 | 24°C | 23°C | 25°C 2010 | 20°C 1992 | 55% |
| Jul 3 | 24°C | 23°C | 26°C 2010 | 21°C 2003 | 54% |
| Jul 4 | 24°C | 23°C | 26°C 2010 | 21°C 1996 | 54% |
| Jul 5 | 24°C | 23°C | 26°C 2010 | 19°C 1993 | 56% |
| Jul 6 | 24°C | 23°C | 26°C 2002 | 19°C 1993 | 56% |
| Jul 7 | 24°C | 23°C | 26°C 2018 | 19°C 1993 | 56% |
| Jul 8 | 24°C | 23°C | 26°C 2018 | 20°C 1996 | 54% |
| Jul 9 | 24°C | 24°C | 26°C 2018 | 21°C 1993 | 52% |
| Jul 10 | 25°C | 24°C | 26°C 2018 | 20°C 1993 | 53% |
| Jul 11 | 25°C | 24°C | 27°C 2011 | 21°C 1993 | 54% |
| Jul 12 | 25°C | 24°C | 27°C 2018 | 21°C 1992 | 53% |
| Jul 13 | 25°C | 24°C | 27°C 2018 | 21°C 1992 | 51% |
| Jul 14 | 25°C | 24°C | 27°C 2018 | 21°C 1998 | 51% |
| Jul 15 | 25°C | 24°C | 27°C 2018 | 21°C 2003 | 50% |
| Jul 16 | 25°C | 24°C | 27°C 2002 | 21°C 1993 | 50% |
| Jul 17 | 25°C | 24°C | 27°C 2018 | 21°C 1993 | 49% |
| Jul 18 | 25°C | 24°C | 27°C 2018 | 22°C 1995 | 49% |
| Jul 19 | 25°C | 24°C | 28°C 2018 | 21°C 1993 | 49% |
| Jul 20 | 25°C | 25°C | 28°C 2018 | 21°C 1993 | 49% |
| Jul 21 | 25°C | 25°C | 28°C 2018 | 21°C 1993 | 48% |
| Jul 22 | 26°C | 25°C | 27°C 2002 | 21°C 1993 | 48% |
| Jul 23 | 26°C | 25°C | 28°C 2018 | 20°C 1993 | 49% |
| Jul 24 | 26°C | 25°C | 28°C 2008 | 22°C 1993 | 49% |
| Jul 25 | 26°C | 25°C | 28°C 2008 | 23°C 2007 | 47% |
| Jul 26 | 26°C | 25°C | 28°C 2019 | 22°C 2003 | 45% |
| Jul 27 | 26°C | 25°C | 28°C 2008 | 21°C 2003 | 44% |
| Jul 28 | 26°C | 25°C | 28°C 2008 | 22°C 2003 | 44% |
| Jul 29 | 26°C | 25°C | 27°C 1991 | 24°C 1993 | 43% |
| Jul 30 | 26°C | 25°C | 28°C 2017 | 23°C 2006 | 42% |
| Jul 31 | 26°C | 26°C | 28°C 2017 | 22°C 2006 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- July 1
- sunrise 4:27 AM, sunset 6:57 PM
- July 31
- sunrise 4:46 AM, sunset 6:43 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.