Middelharnis Weather in May
Average highs run from 16°C on May 1 to 19°C on May 31, and lows from 7°C to 9°C. Normal precipitation for the month is 56 mm over about 12 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 18°C
- Average low
- 8°C
- Precipitation
- 56 mm
- Record high
- 31°CMay 27, 2017
- Record low
- -1°CMay 6, 1979
- Daylight
- 14 h 52 min to 16 h 20 min
- Cloud cover
- 68%
- Humidity
- 83%
- Dew point
- 9°C
- Wind
- 20.2 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 |
|---|---|---|---|---|---|
| May 1 | 16°C | 7°C | 28°C 2005 | -1°C 1962 | 38% |
| May 2 | 15°C | 6°C | 27°C 1966 | -1°C 1971 | 38% |
| May 3 | 15°C | 6°C | 24°C 1990 | -1°C 1971 | 38% |
| May 4 | 16°C | 6°C | 26°C 2006 | -1°C 1979 | 37% |
| May 5 | 16°C | 6°C | 27°C 1990 | -1°C 1959 | 36% |
| May 6 | 17°C | 7°C | 28°C 1990 | -1°C 1979 | 35% |
| May 7 | 18°C | 8°C | 29°C 1976 | 0°C 1997 | 34% |
| May 8 | 18°C | 9°C | 28°C 1976 | 0°C 1957 | 34% |
| May 9 | 18°C | 8°C | 29°C 1976 | 1°C 1991 | 34% |
| May 10 | 18°C | 8°C | 27°C 1998 | 1°C 2017 | 34% |
| May 11 | 18°C | 8°C | 30°C 1998 | 2°C 2005 | 34% |
| May 12 | 18°C | 8°C | 31°C 1998 | 1°C 2005 | 34% |
| May 13 | 18°C | 8°C | 30°C 1969 | 2°C 2019 | 34% |
| May 14 | 17°C | 8°C | 30°C 1992 | 0°C 2010 | 34% |
| May 15 | 17°C | 7°C | 28°C 2000 | 0°C 2020 | 34% |
| May 16 | 17°C | 7°C | 29°C 2000 | 1°C 2005 | 34% |
| May 17 | 17°C | 8°C | 30°C 2017 | 1°C 2005 | 34% |
| May 18 | 18°C | 8°C | 25°C 1989 | 1°C 2005 | 34% |
| May 19 | 18°C | 8°C | 26°C 1989 | 1°C 1995 | 35% |
| May 20 | 18°C | 8°C | 27°C 1981 | 3°C 2008 | 36% |
| May 21 | 19°C | 9°C | 27°C 2020 | 1°C 1968 | 37% |
| May 22 | 19°C | 9°C | 27°C 1992 | 2°C 1988 | 38% |
| May 23 | 19°C | 9°C | 29°C 2026 | 3°C 1957 | 38% |
| May 24 | 19°C | 9°C | 29°C 2012 | 2°C 2015 | 36% |
| May 25 | 19°C | 9°C | 29°C 2026 | 2°C 1963 | 35% |
| May 26 | 19°C | 9°C | 31°C 2026 | 3°C 1990 | 36% |
| May 27 | 19°C | 10°C | 31°C 2017 | 2°C 1990 | 38% |
| May 28 | 19°C | 10°C | 29°C 2018 | 1°C 2004 | 38% |
| May 29 | 19°C | 9°C | 31°C 2026 | 0°C 1961 | 38% |
| May 30 | 20°C | 9°C | 29°C 2011 | 1°C 1974 | 39% |
| May 31 | 19°C | 9°C | 27°C 1982 | 2°C 1986 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 6:15 AM, sunset 9:07 PM
- May 31
- sunrise 5:31 AM, sunset 9:51 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.