Weather on December 18
Fishers, IN
55 Years of Data
Avg High
36°F
Avg Low
22°F
Warmest
1984
48°F avg
Coldest
1989
3°F avg
About This Date
December 18th in Fishers, IN typically brings cold winter weather, with average highs around 36°F and lows near 22°F. Over 55 years of records, the warmest December 18th was in 1984 (48°F average), while the coldest was 1989 (3°F) — a 45°F range across recorded history. Precipitation has occurred on 40% of recorded December 18th dates, with snow falling 5% of the time (heaviest snowfall: 2"). The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Fishers, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 39° | 46° | 1.88" | — |
| 2024 | 47° | 31° | 39° | 0.1" | — |
| 2023 | 45° | 34° | 39° | — | — |
| 2022 | 32° | 19° | 26° | 0.03" | — |
| 2021 | 43° | 31° | 37° | 1.52" | — |
| 2020 | 37° | 20° | 28° | — | — |
| 2019 | 32° | 16° | 24° | — | — |
| 2018 | 41° | 22° | 31° | — | — |
| 2017 | 42° | 35° | 39° | 0.05" | — |
| 2016 | 35° | 17° | 26° | 0.28" | — |
| 2015 | 32° | 27° | 29° | — | — |
| 2014 | 25° | 23° | 24° | — | — |
| 2013 | 28° | 17° | 23° | — | — |
| 2012 | 43° | 35° | 39° | 0.13" | — |
| 2011 | 42° | 25° | 33° | — | — |
| 2010 | 24° | 11° | 17° | — | — |
| 2009 | 41° | 20° | 30° | — | — |
| 2008 | 24° | 20° | 22° | — | — |
| 2007 | 25° | 14° | 19° | — | — |
| 2006 | 59° | 38° | 48° | 0.46" | — |
| 2005 | 34° | 15° | 24° | — | — |
| 2004 | 39° | 22° | 30° | — | — |
| 2003 | 28° | 21° | 25° | 0.03" | — |
| 2002 | 51° | 32° | 42° | — | — |
| 2001 | 47° | 34° | 40° | 0.76" | — |
| 2000 | 7° | 3° | 5° | 0.05" | — |
| 1999 | 47° | 27° | 37° | — | — |
| 1998 | 39° | 28° | 34° | — | — |
| 1997 | 44° | 23° | 34° | — | — |
| 1996 | 32° | 16° | 24° | 0.18" | 0.5" |
| 1995 | 41° | 29° | 35° | 1.27" | — |
| 1994 | 46° | 31° | 38° | 0.03" | — |
| 1993 | 41° | 34° | 37° | 0.15" | — |
| 1992 | 35° | 30° | 33° | 0.1" | — |
| 1991 | 40° | 21° | 30° | — | — |
| 1990 | 50° | 36° | 43° | 1.32" | — |
| 1989coldest | 13° | -7° | 3° | — | — |
| 1988 | 20° | 8° | 14° | — | — |
| 1987 | 27° | 19° | 23° | — | — |
| 1986 | 43° | 31° | 37° | — | — |
| 1985 | 25° | -6° | 10° | 0.2" | — |
| 1984warmest | 64° | 32° | 48° | — | — |
| 1983 | 26° | 10° | 18° | 0.1" | — |
| 1982 | 36° | 29° | 32° | — | — |
| 1981 | 28° | 15° | 22° | 0.36" | 2" |
| 1980 | 38° | 28° | 33° | — | — |
| 1979 | 22° | 7° | 14° | — | — |
| 1978 | 42° | 24° | 33° | — | — |
| 1977 | 54° | 39° | 46° | 0.28" | — |
| 1976 | 45° | 19° | 32° | — | — |
| 1975 | 27° | 6° | 16° | — | — |
| 1974 | 31° | 23° | 27° | 0.1" | 0.3" |
| 1973 | 23° | 5° | 14° | — | — |
| 1972 | 29° | 0° | 14° | — | — |
| 1971 | 34° | 10° | 22° | — | — |
55 years of data from OAKLANDON GEIST RSVR