Weather on January 15
Saint Louis, MO
55 Years of Data
Avg High
38°F
Avg Low
21°F
Warmest
1990
56°F avg
Coldest
1979
-5°F avg
About This Date
January 15th in Saint Louis, MO typically brings cold winter weather, with average highs around 38°F and lows near 21°F. Over 55 years of records, the warmest January 15th was in 1990 (56°F average), while the coldest was 1979 (-5°F) — a 61°F range across recorded history. Precipitation has occurred on 16% of recorded January 15th dates, with snow falling 4% of the time. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for January 15th in Saint Louis, MO? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 33° | 18° | 25° | — | — |
| 2025 | 31° | 4° | 18° | — | — |
| 2024 | 10° | -1° | 5° | — | — |
| 2023 | 52° | 31° | 42° | — | — |
| 2022 | 34° | 22° | 28° | 0.43" | — |
| 2021 | 36° | 32° | 34° | 0.18" | — |
| 2020 | 58° | 34° | 46° | — | — |
| 2019 | 35° | 30° | 33° | — | — |
| 2018 | 29° | 18° | 23° | 0.13" | 0.7" |
| 2017 | 38° | 33° | 35° | 0.38" | — |
| 2016 | 65° | 46° | 55° | 0.25" | — |
| 2015 | 46° | 20° | 33° | — | — |
| 2014 | 48° | 22° | 35° | — | — |
| 2013 | 28° | 19° | 24° | — | — |
| 2012 | 40° | 16° | 28° | — | — |
| 2011 | 40° | 22° | 31° | — | — |
| 2010 | 51° | 34° | 42° | — | — |
| 2009 | 42° | -3° | 20° | — | — |
| 2008 | 35° | 16° | 25° | — | — |
| 2007 | 44° | 34° | 39° | 1.7" | — |
| 2006 | 44° | 28° | 36° | — | — |
| 2005 | 18° | 10° | 14° | — | — |
| 2004 | 56° | 24° | 40° | — | — |
| 2003 | 31° | 17° | 24° | — | — |
| 2002 | 46° | 27° | 36° | — | — |
| 2001 | 51° | 29° | 40° | — | — |
| 2000 | 41° | 17° | 29° | — | — |
| 1999 | 26° | 19° | 23° | — | — |
| 1998 | 35° | 19° | 27° | 1.27" | — |
| 1997 | 27° | 13° | 20° | 0.64" | 0.3" |
| 1996 | 63° | 31° | 47° | — | — |
| 1995 | 38° | 29° | 33° | — | — |
| 1994 | 9° | -1° | 4° | — | — |
| 1993 | 32° | 26° | 29° | — | — |
| 1992 | 29° | 13° | 21° | 0.05" | — |
| 1991 | 40° | 31° | 35° | — | — |
| 1990warmest | 67° | 46° | 56° | — | — |
| 1989 | 49° | 23° | 36° | — | — |
| 1988 | 52° | 29° | 40° | — | — |
| 1987 | 45° | 27° | 36° | — | — |
| 1986 | 50° | 25° | 37° | — | — |
| 1985 | 26° | 20° | 23° | — | — |
| 1983 | 45° | 26° | 35° | — | — |
| 1982 | 26° | 6° | 16° | — | — |
| 1981 | 40° | — | — | — | — |
| 1980 | 50° | 30° | 40° | — | — |
| 1979coldest | 1° | -12° | -5° | — | — |
| 1978 | 28° | 14° | 21° | — | — |
| 1977 | 30° | 11° | 20° | — | — |
| 1976 | 37° | 19° | 28° | — | — |
| 1975 | 29° | 12° | 20° | — | — |
| 1974 | 41° | 22° | 31° | — | — |
| 1973 | 50° | 32° | 41° | — | — |
| 1972 | 20° | -5° | 7° | — | — |
| 1971 | 32° | 12° | 22° | — | — |
55 years of data from CAHOKIA