Chatou Weather in December
Average highs run from 7°C on December 1 to 7°C on December 31, and lows from to 3°C. Normal precipitation for the month is 57 mm over about 12 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
- Precipitation
- 57 mm
- Record high
- 17°CDec 16, 1989
- Record low
- -13°CDec 20, 1938
- Daylight
- 8 h 34 min to 8 h 19 min
- Cloud cover
- 74%
- Humidity
- 93%
- Dew point
- 3°C
- Wind
- 18.4 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 | 7°C | 15°C 1984 | -5°C 2016 | 44% | |
| Dec 2 | 16°C 2018 | -5°C 1940 | 43% | ||
| Dec 3 | 9°C | 16°C 2018 | -6°C 1903 | 42% | |
| Dec 4 | 9°C | 17°C 1961 | -6°C 1933 | 42% | |
| Dec 5 | 3°C | 16°C 2006 | -7°C 1925 | 42% | |
| Dec 6 | 15°C 1900 | -8°C 1902 | 41% | ||
| Dec 7 | 17°C 2000 | -9°C 1902 | 41% | ||
| Dec 8 | 9°C | 15°C 1907 | -6°C 1902 | 41% | |
| Dec 9 | 9°C | 14°C 1915 | -8°C 1945 | 42% | |
| Dec 10 | 8°C | 2°C | 16°C 1915 | -8°C 1945 | 42% |
| Dec 11 | 17°C 1961 | -8°C 1933 | 42% | ||
| Dec 12 | 9°C | 16°C 1961 | -10°C 1933 | 43% | |
| Dec 13 | 8°C | 17°C 1918 | -7°C 1968 | 43% | |
| Dec 14 | 2°C | 15°C 1989 | -9°C 1933 | 45% | |
| Dec 15 | 1°C | 15°C 1989 | -8°C 1933 | 45% | |
| Dec 16 | 17°C 1989 | -9°C 1925 | 44% | ||
| Dec 17 | 9°C | 3°C | 16°C 2015 | -9°C 1927 | 45% |
| Dec 18 | 4°C | 15°C 1987 | -10°C 1938 | 46% | |
| Dec 19 | 9°C | 4°C | 15°C 1993 | -12°C 1938 | 46% |
| Dec 20 | 9°C | 15°C 1932 | -13°C 1938 | 47% | |
| Dec 21 | 3°C | 15°C 1989 | -12°C 1946 | 47% | |
| Dec 22 | 15°C 2015 | -13°C 1946 | 48% | ||
| Dec 23 | 9°C | 16°C 2022 | -9°C 1938 | 48% | |
| Dec 24 | 9°C | 4°C | 14°C 1983 | -11°C 1917 | 48% |
| Dec 25 | 7°C | 14°C 1983 | -8°C 1961 | 48% | |
| Dec 26 | 7°C | 1°C | 14°C 1974 | -7°C 2010 | 47% |
| Dec 27 | 7°C | 14°C 1915 | -8°C 1962 | 45% | |
| Dec 28 | 1°C | 15°C 1955 | -11°C 1962 | 45% | |
| Dec 29 | 0°C | 16°C 1920 | -10°C 1964 | 44% | |
| Dec 30 | 7°C | 2°C | 16°C 2021 | -9°C 1908 | 43% |
| Dec 31 | 7°C | 3°C | 17°C 2021 | -12°C 1908 | 42% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- December 1
- sunrise 8:23 AM, sunset 4:57 PM
- December 31
- sunrise 8:45 AM, sunset 5:04 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FRM00007150, 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.