Weather on May 18
Rochester, NY
55 Years of Data
Avg High
67°F
Avg Low
47°F
Warmest
2017
76°F avg
Coldest
2002
43°F avg
About This Date
May 18th in Rochester, NY typically brings mild spring weather, with average highs around 67°F and lows near 47°F. Over 55 years of records, the warmest May 18th was in 2017 (76°F average), while the coldest was 2002 (43°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 18th dates historically, with the wettest May 18th recording 1.32" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for May 18th in Rochester, NY? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 50° | 55° | 0.13" | — |
| 2024 | 74° | 60° | 67° | — | — |
| 2023 | 63° | 32° | 47° | — | — |
| 2022 | 62° | 42° | 52° | — | — |
| 2021 | 80° | 49° | 64° | — | — |
| 2020 | 58° | 51° | 54° | 0.89" | — |
| 2019 | 66° | 41° | 54° | — | — |
| 2018 | 63° | 49° | 56° | — | — |
| 2017warmest | 87° | 64° | 76° | 0.1" | — |
| 2016 | 60° | 41° | 51° | — | — |
| 2015 | 85° | 62° | 73° | — | — |
| 2014 | 61° | 43° | 52° | 0.15" | — |
| 2013 | 71° | 43° | 57° | — | — |
| 2012 | 72° | 40° | 56° | — | — |
| 2011 | 73° | 49° | 61° | 0.13" | — |
| 2010 | 61° | 51° | 56° | 0.56" | — |
| 2009 | 56° | 36° | 46° | — | — |
| 2008 | 54° | 43° | 48° | 0.46" | — |
| 2007 | 58° | 37° | 47° | — | — |
| 2006 | 63° | 45° | 54° | 0.18" | — |
| 2005 | 60° | 39° | 50° | — | — |
| 2004 | 75° | 56° | 65° | 0.18" | — |
| 2003 | 72° | 51° | 61° | — | — |
| 2002coldest | 48° | 38° | 43° | 0.23" | — |
| 2001 | 68° | 55° | 62° | 0.46" | — |
| 2000 | 73° | 50° | 62° | 1.32" | — |
| 1999 | 85° | 62° | 73° | — | — |
| 1998 | 80° | 56° | 68° | — | — |
| 1997 | 59° | 32° | 46° | — | — |
| 1996 | 86° | 59° | 73° | — | — |
| 1995 | 60° | 46° | 53° | — | — |
| 1994 | 53° | 42° | 48° | 0.08" | — |
| 1993 | 58° | 37° | 47° | — | — |
| 1992 | 65° | 45° | 55° | 0.28" | — |
| 1991 | 56° | 42° | 49° | — | — |
| 1990 | 55° | 48° | 52° | 0.74" | — |
| 1989 | 85° | 51° | 68° | — | — |
| 1988 | 52° | 47° | 49° | 0.13" | — |
| 1987 | 59° | 51° | 55° | 0.2" | — |
| 1986 | 85° | 61° | 73° | 0.2" | — |
| 1985 | 58° | 42° | 50° | 0.53" | — |
| 1984 | 61° | 47° | 54° | — | — |
| 1983 | 62° | 33° | 48° | — | — |
| 1982 | 76° | 45° | 60° | — | — |
| 1981 | 58° | 30° | 44° | — | — |
| 1980 | 70° | 54° | 62° | 1.02" | — |
| 1979 | 76° | 43° | 59° | — | — |
| 1978 | 69° | 52° | 60° | — | — |
| 1977 | 82° | 63° | 72° | — | — |
| 1976 | 52° | 41° | 46° | 0.86" | — |
| 1975 | 78° | 60° | 69° | — | — |
| 1974 | 66° | 49° | 57° | — | — |
| 1973 | 54° | 36° | 45° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 87° | 45° | 66° | — | — |
55 years of data from ROCHESTER GTR INTL