Hellevoetsluis Weather in July
Average highs run from 22°C on July 1 to 24°C on July 31, and lows from 13°C to 14°C. Normal precipitation for the month is 80 mm over about 12 wet days.
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
- 23°C
- Average low
- 13°C
- Precipitation
- 80 mm
- Record high
- 37°CJul 25, 2019
- Record low
- 4°CJul 19, 1971
- Daylight
- 16 h 37 min to 15 h 30 min
- Cloud cover
- 69%
- Humidity
- 83%
- Dew point
- 14°C
- Wind
- 19.1 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 | 22°C | 13°C | 37°C 2025 | 5°C 1984 | 42% |
| Jul 2 | 23°C | 14°C | 33°C 1968 | 8°C 1975 | 43% |
| Jul 3 | 22°C | 13°C | 32°C 1976 | 8°C 1979 | 44% |
| Jul 4 | 23°C | 13°C | 32°C 2006 | 8°C 2019 | 45% |
| Jul 5 | 22°C | 13°C | 32°C 2001 | 8°C 1962 | 46% |
| Jul 6 | 22°C | 13°C | 32°C 1957 | 9°C 1997 | 46% |
| Jul 7 | 22°C | 12°C | 30°C 1970 | 7°C 1962 | 47% |
| Jul 8 | 21°C | 12°C | 33°C 2023 | 5°C 1962 | 46% |
| Jul 9 | 22°C | 13°C | 35°C 2010 | 8°C 1962 | 45% |
| Jul 10 | 22°C | 13°C | 32°C 1995 | 8°C 2015 | 45% |
| Jul 11 | 23°C | 13°C | 32°C 1991 | 8°C 1978 | 45% |
| Jul 12 | 21°C | 13°C | 32°C 1994 | 8°C 1986 | 44% |
| Jul 13 | 22°C | 13°C | 31°C 1967 | 8°C 1971 | 44% |
| Jul 14 | 21°C | 13°C | 31°C 1982 | 8°C 1989 | 43% |
| Jul 15 | 22°C | 13°C | 31°C 2003 | 6°C 1959 | 41% |
| Jul 16 | 23°C | 14°C | 33°C 2003 | 8°C 1977 | 40% |
| Jul 17 | 22°C | 14°C | 31°C 1983 | 7°C 1996 | 40% |
| Jul 18 | 23°C | 14°C | 33°C 2006 | 6°C 1962 | 40% |
| Jul 19 | 24°C | 14°C | 37°C 2022 | 4°C 1971 | 39% |
| Jul 20 | 24°C | 14°C | 33°C 2016 | 8°C 1989 | 40% |
| Jul 21 | 23°C | 14°C | 30°C 2013 | 7°C 1980 | 40% |
| Jul 22 | 23°C | 13°C | 31°C 2013 | 7°C 1980 | 40% |
| Jul 23 | 24°C | 14°C | 31°C 2019 | 7°C 1990 | 41% |
| Jul 24 | 24°C | 14°C | 36°C 2019 | 7°C 1961 | 41% |
| Jul 25 | 23°C | 14°C | 37°C 2019 | 7°C 1974 | 40% |
| Jul 26 | 24°C | 14°C | 36°C 2018 | 9°C 2015 | 40% |
| Jul 27 | 24°C | 14°C | 36°C 2018 | 8°C 1963 | 40% |
| Jul 28 | 23°C | 14°C | 30°C 2002 | 6°C 1996 | 38% |
| Jul 29 | 24°C | 14°C | 34°C 2026 | 7°C 1962 | 39% |
| Jul 30 | 24°C | 14°C | 32°C 2002 | 8°C 1961 | 39% |
| Jul 31 | 24°C | 14°C | 32°C 1995 | 7°C 1961 | 40% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- July 1
- sunrise 5:29 AM, sunset 10:06 PM
- July 31
- sunrise 6:04 AM, sunset 9:34 PM
Other months
Sources
Records: NOAA GHCN-Daily, station NLE00152490, 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.