Iwamizawa Weather in July
Average highs run from 24°C on July 1 to 27°C on July 31, and lows from to .
July day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 25°C
- Record high
- 36°CJul 31, 2000
- Record low
- 7°CJul 4, 1968
- Daylight
- 15 h 20 min to 14 h 34 min
- Cloud cover
- 76%
- Humidity
- 86%
- Dew point
- 17°C
- Wind
- 11.9 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 24°C | 31°C 2025 | 9°C 1976 | 35% | |
| Jul 2 | 24°C | 16°C | 31°C 1955 | 9°C 1967 | 36% |
| Jul 3 | 24°C | 32°C 2022 | 7°C 1951 | 38% | |
| Jul 4 | 24°C | 32°C 2022 | 7°C 1968 | 40% | |
| Jul 5 | 24°C | 32°C 2025 | 7°C 1951 | 40% | |
| Jul 6 | 24°C | 32°C 2025 | 9°C 1979 | 40% | |
| Jul 7 | 25°C | 33°C 2017 | 10°C 1962 | 41% | |
| Jul 8 | 24°C | 30°C 2017 | 9°C 1960 | 42% | |
| Jul 9 | 25°C | 32°C 2017 | 11°C 1960 | 42% | |
| Jul 10 | 24°C | 33°C 2017 | 12°C 1983 | 43% | |
| Jul 11 | 25°C | 31°C 2000 | 10°C 1963 | 44% | |
| Jul 12 | 24°C | 33°C 1978 | 11°C 1953 | 43% | |
| Jul 13 | 26°C | 33°C 2017 | 11°C 1983 | 42% | |
| Jul 14 | 26°C | 18°C | 35°C 2017 | 9°C 1954 | 42% |
| Jul 15 | 25°C | 33°C 2017 | 10°C 1954 | 44% | |
| Jul 16 | 24°C | 33°C 1955 | 12°C 1964 | 44% | |
| Jul 17 | 25°C | 34°C 1955 | 11°C 1964 | 43% | |
| Jul 18 | 25°C | 33°C 1969 | 11°C 1979 | 42% | |
| Jul 19 | 25°C | 17°C | 33°C 1955 | 12°C 1993 | 41% |
| Jul 20 | 26°C | 33°C 1967 | 12°C 1976 | 41% | |
| Jul 21 | 26°C | 18°C | 32°C 2025 | 11°C 1954 | 42% |
| Jul 22 | 26°C | 33°C 1989 | 11°C 1954 | 42% | |
| Jul 23 | 26°C | 34°C 2025 | 11°C 1966 | 42% | |
| Jul 24 | 27°C | 18°C | 34°C 2025 | 13°C 1973 | 42% |
| Jul 25 | 27°C | 36°C 2025 | 13°C 1958 | 42% | |
| Jul 26 | 28°C | 34°C 1976 | 12°C 1959 | 41% | |
| Jul 27 | 28°C | 33°C 1973 | 13°C 1990 | 41% | |
| Jul 28 | 27°C | 33°C 1973 | 11°C 1988 | 42% | |
| Jul 29 | 27°C | 19°C | 33°C 2019 | 14°C 1966 | 42% |
| Jul 30 | 27°C | 34°C 1986 | 13°C 1960 | 41% | |
| Jul 31 | 27°C | 36°C 2000 | 13°C 1954 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- July 1
- sunrise 3:57 AM, sunset 7:17 PM
- July 31
- sunrise 4:22 AM, sunset 6:56 PM
Other months
Sources
Records: NOAA GHCN-Daily, station JA000047412, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.