Bilthoven Weather in January
Average highs run from 5°C on January 1 to 5°C on January 31, and lows from 0°C to 0°C. Normal precipitation for the month is 71 mm over about 12 wet days.
January day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
January at a glance
- Average high
- 5°C
- Average low
- 0°C
- Precipitation
- 71 mm
- Reanalysis high
- 13°CJan 24, 2018
- Reanalysis low
- -16°CJan 1, 1997
- Daylight
- 7 h 50 min to 9 h 04 min
- Cloud cover
- 76%
- Humidity
- 93%
- Dew point
- 1°C
- Wind
- 20.9 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Jan 1 | 5°C | 0°C | 12°C 2012 | -16°C 1997 | 48% |
| Jan 2 | 5°C | 0°C | 11°C 1991 | -16°C 1997 | 48% |
| Jan 3 | 5°C | 0°C | 11°C 2013 | -14°C 1997 | 48% |
| Jan 4 | 5°C | 0°C | 12°C 1999 | -10°C 1993 | 48% |
| Jan 5 | 5°C | 0°C | 12°C 1999 | -10°C 1997 | 48% |
| Jan 6 | 5°C | 0°C | 12°C 2014 | -12°C 2009 | 48% |
| Jan 7 | 5°C | 1°C | 11°C 2005 | -10°C 1997 | 47% |
| Jan 8 | 5°C | 1°C | 11°C 2020 | -10°C 2003 | 47% |
| Jan 9 | 5°C | 1°C | 12°C 2007 | -12°C 2003 | 46% |
| Jan 10 | 5°C | 1°C | 12°C 1991 | -10°C 2009 | 46% |
| Jan 11 | 5°C | 1°C | 11°C 2007 | -8°C 2003 | 45% |
| Jan 12 | 5°C | 1°C | 11°C 1994 | -10°C 2010 | 45% |
| Jan 13 | 5°C | 1°C | 13°C 1993 | -11°C 2010 | 44% |
| Jan 14 | 5°C | 1°C | 10°C 2007 | -6°C 2010 | 43% |
| Jan 15 | 5°C | 0°C | 10°C 1993 | -7°C 1997 | 43% |
| Jan 16 | 5°C | 0°C | 13°C 1993 | -8°C 2013 | 43% |
| Jan 17 | 5°C | 0°C | 11°C 2007 | -9°C 2013 | 43% |
| Jan 18 | 5°C | 0°C | 13°C 2007 | -8°C 2001 | 42% |
| Jan 19 | 5°C | 0°C | 11°C 2008 | -7°C 2017 | 41% |
| Jan 20 | 5°C | 0°C | 11°C 2007 | -7°C 2013 | 41% |
| Jan 21 | 5°C | 0°C | 11°C 1993 | -6°C 1996 | 42% |
| Jan 22 | 5°C | 0°C | 11°C 1993 | -9°C 2013 | 42% |
| Jan 23 | 5°C | 0°C | 10°C 1993 | -10°C 2013 | 42% |
| Jan 24 | 5°C | 0°C | 13°C 2018 | -9°C 2013 | 42% |
| Jan 25 | 5°C | 0°C | 12°C 2016 | -11°C 1996 | 43% |
| Jan 26 | 5°C | 0°C | 10°C 1995 | -13°C 2010 | 44% |
| Jan 27 | 5°C | 0°C | 11°C 2016 | -10°C 2010 | 42% |
| Jan 28 | 5°C | 0°C | 12°C 2002 | -11°C 1996 | 42% |
| Jan 29 | 5°C | 0°C | 11°C 2013 | -9°C 1996 | 42% |
| Jan 30 | 5°C | 0°C | 11°C 2013 | -8°C 1996 | 42% |
| Jan 31 | 5°C | 0°C | 11°C 2020 | -8°C 1996 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- January 1
- sunrise 8:48 AM, sunset 4:38 PM
- January 31
- sunrise 8:21 AM, sunset 5:25 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.