Weather on January 18
Saint Louis, MO
55 Years of Data
About This Date
January 18th in Saint Louis, MO typically brings cold winter weather, with average highs around 39°F and lows near 20°F. Over 55 years of records, the warmest January 18th was in 1973 (54°F average), while the coldest was 1977 (-3°F) — a 57°F range across recorded history. Precipitation has occurred on 22% of recorded January 18th dates, with snow falling 2% of the time (heaviest snowfall: 2.6"). The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.0°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in Saint Louis, MO? Bundle up with warm layers and protect extremities from the cold.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 33° | 10° | 22° | — | — |
| 2025 | 43° | 24° | 34° | — | — |
| 2024 | 42° | 24° | 33° | — | — |
| 2023 | 43° | 38° | 40° | 2.29" | — |
| 2022 | 54° | 28° | 41° | — | — |
| 2021 | 44° | 27° | 36° | — | — |
| 2020 | 51° | 25° | 38° | 2.18" | — |
| 2019 | 38° | 35° | 36° | 0.46" | — |
| 2018 | 48° | 22° | 35° | — | — |
| 2017 | 48° | 36° | 42° | — | — |
| 2016 | 17° | 4° | 10° | 0.03" | — |
| 2015 | 61° | 36° | 48° | — | — |
| 2014 | 29° | 16° | 22° | — | — |
| 2013 | 44° | 25° | 34° | — | — |
| 2012 | 45° | 14° | 29° | — | — |
| 2011 | 42° | 26° | 34° | 0.15" | — |
| 2010 | 44° | 31° | 37° | — | — |
| 2009 | 47° | 20° | 33° | — | — |
| 2008 | 40° | 15° | 27° | — | — |
| 2007 | 34° | 20° | 27° | — | — |
| 2006 | 35° | 25° | 30° | — | — |
| 2005 | 22° | 6° | 14° | — | — |
| 2004 | 44° | 26° | 35° | 1.6" | — |
| 2003 | 23° | 10° | 17° | — | — |
| 2002 | 35° | 19° | 27° | — | — |
| 2001 | 35° | 22° | 28° | — | — |
| 2000 | 34° | 30° | 32° | 0.69" | — |
| 1999 | 47° | 34° | 40° | 0.81" | — |
| 1998 | 36° | 26° | 31° | — | — |
| 1997 | 22° | 2° | 12° | — | — |
| 1996 | 65° | 11° | 38° | 1.7" | — |
| 1995 | 44° | 33° | 39° | 0.38" | — |
| 1994 | 7° | -8° | 0° | — | — |
| 1993 | 24° | 17° | 21° | — | — |
| 1992 | 30° | 17° | 24° | — | — |
| 1991 | 44° | 28° | 36° | — | — |
| 1990 | 55° | 28° | 42° | — | — |
| 1989 | 59° | 25° | 42° | — | — |
| 1988 | 40° | 32° | 36° | — | — |
| 1987 | 27° | 20° | 23° | 0.38" | 2.6" |
| 1986 | 57° | 33° | 45° | — | — |
| 1985 | 41° | 17° | 29° | — | — |
| 1983 | 41° | 15° | 28° | — | — |
| 1982 | 10° | -11° | 0° | — | — |
| 1981 | 43° | 11° | 27° | — | — |
| 1980 | 52° | 23° | 37° | — | — |
| 1979 | 40° | 14° | 27° | — | — |
| 1978 | 23° | 6° | 15° | — | — |
| 1977coldest | 12° | -19° | -3° | — | — |
| 1976 | 22° | 3° | 12° | — | — |
| 1975 | 51° | 26° | 39° | 0.53" | — |
| 1974 | 55° | 28° | 42° | — | — |
| 1973warmest | 65° | 43° | 54° | — | — |
| 1972 | 50° | 33° | 42° | — | — |
| 1971 | 27° | 21° | 24° | — | — |
Saint Louis, MO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Saint Louis, MO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Saint Louis, MO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Saint Louis, MO
Saint Louis, MO has no months that meet our "pleasant" threshold — every season has tradeoffs.