Weather on December 18
Stamford, CT
55 Years of Data
Avg High
41°F
Avg Low
25°F
Warmest
2023
51°F avg
Coldest
1973
18°F avg
About This Date
December 18th in Stamford, CT typically brings chilly winter weather, with average highs around 41°F and lows near 25°F. Over 55 years of records, the warmest December 18th was in 2023 (51°F average), while the coldest was 1973 (18°F) — a 33°F range across recorded history. Precipitation has occurred on 24% of recorded December 18th dates, with snow falling 4% of the time (heaviest snowfall: 1.5"). The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Stamford, CT? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 47° | 25° | 36° | — | — |
| 2024 | 52° | 32° | 42° | 0.69" | — |
| 2023warmest | 63° | 40° | 51° | 6.71" | — |
| 2022 | 39° | 30° | 35° | — | — |
| 2021 | 44° | 38° | 41° | 0.08" | — |
| 2020 | 28° | 19° | 24° | — | — |
| 2019 | 34° | 26° | 30° | — | — |
| 2018 | 42° | 27° | 34° | — | — |
| 2017 | 41° | 28° | 35° | — | — |
| 2016 | 53° | 33° | 43° | — | — |
| 2015 | 54° | 44° | 49° | — | — |
| 2014 | 46° | 33° | 40° | — | — |
| 2013 | 34° | 14° | 24° | — | — |
| 2012 | 49° | 36° | 42° | 1.96" | — |
| 2011 | 28° | 19° | 24° | — | — |
| 2010 | 35° | 23° | 29° | — | — |
| 2009 | 30° | 11° | 21° | — | — |
| 2008 | 40° | 26° | 33° | — | — |
| 2007 | 39° | 13° | 26° | — | — |
| 2006 | 53° | 41° | 47° | 0.05" | — |
| 2005 | 39° | 23° | 31° | — | — |
| 2004 | 42° | 16° | 29° | — | — |
| 2003 | 42° | 30° | 36° | 0.58" | — |
| 2002 | 44° | 15° | 30° | — | — |
| 2001 | 48° | 39° | 44° | 1.5" | — |
| 2000 | 48° | 25° | 36° | — | — |
| 1999 | 44° | 27° | 35° | — | — |
| 1998 | 41° | 26° | 34° | — | — |
| 1997 | 48° | 22° | 35° | — | — |
| 1996 | 56° | 44° | 50° | — | — |
| 1995 | 34° | 20° | 27° | — | — |
| 1994 | 46° | 33° | 40° | 0.25" | — |
| 1993 | 41° | 19° | 30° | — | — |
| 1992 | 49° | 36° | 42° | 0.2" | — |
| 1991 | 36° | 21° | 28° | — | — |
| 1990 | 48° | 30° | 39° | 1.57" | — |
| 1989 | 31° | 8° | 19° | — | — |
| 1988 | 32° | 4° | 18° | — | — |
| 1987 | 39° | 20° | 29° | — | — |
| 1986 | 41° | 34° | 37° | 2.13" | — |
| 1985 | 30° | 20° | 25° | — | — |
| 1984 | 59° | 35° | 47° | — | — |
| 1983 | 35° | 21° | 28° | — | — |
| 1982 | 32° | 15° | 24° | — | — |
| 1981 | 33° | 29° | 31° | 0.33" | 0.8" |
| 1980 | 37° | 5° | 21° | — | — |
| 1979 | 30° | 14° | 22° | — | — |
| 1978 | 37° | 26° | 32° | — | — |
| 1977 | 37° | 24° | 31° | 0.66" | 1.5" |
| 1976 | 39° | 26° | 33° | — | — |
| 1975 | 35° | 24° | 30° | — | — |
| 1974 | 41° | 26° | 34° | — | — |
| 1973coldest | 23° | 13° | 18° | — | — |
| 1972 | 33° | 15° | 24° | — | — |
| 1971 | 39° | 28° | 34° | — | — |
55 years of data from STAMFORD 5 N