Hellevoetsluis Weather in December
Average highs run from 8°C on December 1 to 6°C on December 31, and lows from 3°C to 2°C. Normal precipitation for the month is 86 mm over about 16 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 7°C
- Average low
- 2°C
- Precipitation
- 86 mm
- Record high
- 15°CDec 8, 2000
- Record low
- -13°CDec 2, 1973
- Daylight
- 8 h 08 min to 7 h 51 min
- Cloud cover
- 77%
- Humidity
- 87%
- Dew point
- 4°C
- Wind
- 28.8 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 |
|---|---|---|---|---|---|
| Dec 1 | 8°C | 3°C | 14°C 2001 | -9°C 1973 | 54% |
| Dec 2 | 8°C | 3°C | 13°C 2018 | -13°C 1973 | 54% |
| Dec 3 | 8°C | 2°C | 14°C 2018 | -11°C 2010 | 55% |
| Dec 4 | 8°C | 2°C | 14°C 2006 | -10°C 1962 | 54% |
| Dec 5 | 8°C | 3°C | 15°C 2006 | -10°C 1962 | 54% |
| Dec 6 | 8°C | 3°C | 13°C 2007 | -10°C 1962 | 54% |
| Dec 7 | 8°C | 3°C | 14°C 2025 | -8°C 1980 | 53% |
| Dec 8 | 7°C | 2°C | 15°C 2000 | -6°C 1987 | 53% |
| Dec 9 | 7°C | 2°C | 14°C 2025 | -7°C 1987 | 53% |
| Dec 10 | 6°C | 1°C | 14°C 2025 | -11°C 1967 | 53% |
| Dec 11 | 7°C | 2°C | 14°C 1994 | -11°C 1967 | 54% |
| Dec 12 | 7°C | 2°C | 14°C 2000 | -13°C 1968 | 54% |
| Dec 13 | 7°C | 2°C | 13°C 1994 | -10°C 1968 | 53% |
| Dec 14 | 7°C | 1°C | 13°C 1998 | -11°C 1968 | 54% |
| Dec 15 | 6°C | 1°C | 12°C 1982 | -11°C 1963 | 54% |
| Dec 16 | 7°C | 1°C | 14°C 1989 | -9°C 1981 | 54% |
| Dec 17 | 7°C | 2°C | 15°C 2015 | -10°C 1981 | 55% |
| Dec 18 | 7°C | 2°C | 15°C 1987 | -11°C 1981 | 55% |
| Dec 19 | 7°C | 2°C | 14°C 2015 | -10°C 2009 | 55% |
| Dec 20 | 6°C | 1°C | 14°C 1989 | -11°C 2010 | 55% |
| Dec 21 | 6°C | 1°C | 14°C 1989 | -9°C 2010 | 55% |
| Dec 22 | 8°C | 3°C | 14°C 2015 | -9°C 1962 | 56% |
| Dec 23 | 7°C | 3°C | 15°C 1977 | -10°C 1962 | 57% |
| Dec 24 | 7°C | 3°C | 15°C 1977 | -10°C 1963 | 56% |
| Dec 25 | 7°C | 2°C | 14°C 2015 | -10°C 1961 | 55% |
| Dec 26 | 7°C | 2°C | 14°C 2015 | -12°C 1961 | 54% |
| Dec 27 | 6°C | 1°C | 13°C 2015 | -12°C 1961 | 54% |
| Dec 28 | 6°C | 1°C | 14°C 1994 | -12°C 1962 | 54% |
| Dec 29 | 6°C | 1°C | 13°C 1994 | -13°C 1962 | 54% |
| Dec 30 | 7°C | 1°C | 14°C 2021 | -12°C 1968 | 54% |
| Dec 31 | 6°C | 2°C | 15°C 2022 | -13°C 1978 | 53% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 8:28 AM, sunset 4:36 PM
- December 31
- sunrise 8:51 AM, sunset 4:42 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.