Weather on January 18
Indianapolis, IN
55 Years of Data
Avg High
33°F
Avg Low
18°F
Warmest
1973
51°F avg
Coldest
1977
-8°F avg
About This Date
January 18th in Indianapolis, IN typically brings cold winter weather, with average highs around 33°F and lows near 18°F. Over 56 years of records, the warmest January 18th was in 1973 (51°F average), while the coldest was 1977 (-8°F) — a 59°F range across recorded history. Precipitation has occurred on 39% of recorded January 18th dates, with snow falling 14% of the time (heaviest snowfall: 2.2"). The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.9°F warmer on this date compared to 20-30 years ago.
Planning for January 18th in Indianapolis, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 20° | 10° | 15° | — | — |
| 2025 | 42° | 25° | 33° | 0.66" | 0.1" |
| 2024 | 30° | 23° | 27° | 0.03" | 0.2" |
| 2023 | 43° | 35° | 39° | 1.85" | — |
| 2022 | 42° | 20° | 31° | — | — |
| 2021 | 32° | 27° | 29° | — | 0.1" |
| 2020 | 45° | 18° | 31° | 2.08" | — |
| 2019 | 37° | 31° | 34° | — | — |
| 2018 | 32° | 10° | 21° | — | — |
| 2017 | 38° | 34° | 36° | 0.08" | — |
| 2016 | 13° | 0° | 6° | — | — |
| 2015 | 43° | 25° | 34° | 0.03" | — |
| 2014 | 25° | 12° | 18° | 0.3" | 2.2" |
| 2013 | 39° | 18° | 28° | — | — |
| 2012 | 54° | 19° | 36° | 0.08" | — |
| 2011 | 36° | 18° | 27° | 0.15" | — |
| 2010 | 37° | 25° | 31° | — | — |
| 2009 | 34° | 12° | 23° | — | — |
| 2008 | 34° | 17° | 25° | — | — |
| 2007 | 30° | 14° | 22° | — | — |
| 2006 | 51° | 23° | 37° | 0.89" | 1.5" |
| 2005 | 12° | -2° | 5° | — | — |
| 2004 | 36° | 27° | 31° | 1.55" | — |
| 2003 | 22° | 3° | 12° | — | — |
| 2002 | 31° | 21° | 26° | — | — |
| 2001 | 30° | 26° | 28° | — | — |
| 2000 | 27° | 23° | 25° | 0.05" | — |
| 1999 | 46° | 34° | 40° | 0.89" | — |
| 1998 | 30° | 24° | 27° | — | — |
| 1997 | 6° | -6° | 0° | — | — |
| 1996 | 61° | 3° | 32° | 1.5" | — |
| 1995 | 48° | 41° | 45° | — | — |
| 1994 | 18° | -16° | 1° | — | 0.1" |
| 1993 | 23° | 11° | 17° | — | — |
| 1992 | 12° | -3° | 5° | — | — |
| 1991 | 30° | 25° | 27° | — | — |
| 1990 | 62° | 34° | 48° | 0.38" | — |
| 1989 | 47° | 30° | 38° | — | — |
| 1988 | 43° | 37° | 40° | 0.89" | — |
| 1987 | 34° | 19° | 26° | — | 0.1" |
| 1986 | 53° | 45° | 49° | 0.41" | — |
| 1985 | 22° | 27° | 24° | — | — |
| 1984 | 25° | 12° | 18° | 0.08" | — |
| 1983 | 27° | 14° | 20° | — | 0.5" |
| 1982 | 3° | -18° | -7° | 0.03" | — |
| 1981 | 27° | 11° | 19° | — | — |
| 1980 | 44° | 34° | 39° | — | — |
| 1979 | 38° | 11° | 24° | — | — |
| 1978 | 22° | 11° | 16° | 0.43" | — |
| 1977coldest | 3° | -20° | -8° | — | — |
| 1976 | 21° | 11° | 16° | — | — |
| 1975 | 36° | 11° | 23° | 0.38" | — |
| 1974 | 49° | 39° | 44° | 0.13" | — |
| 1973warmest | 62° | 40° | 51° | — | — |
| 1972 | 43° | 20° | 31° | — | — |
| 1971 | 24° | 10° | 17° | — | — |
56 years of data from INDIANAPOLIS SE SIDE