Weather on May 1
Rockford, IL
55 Years of Data
Avg High
65°F
Avg Low
44°F
Warmest
1992
73°F avg
Coldest
2005
39°F avg
About This Date
May 1st in Rockford, IL typically brings mild spring weather, with average highs around 65°F and lows near 44°F. Over 55 years of records, the warmest May 1st was in 1992 (73°F average), while the coldest was 2005 (39°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 1st dates historically, with the wettest May 1st recording 5.08" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 1st in Rockford, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 50° | 54° | 1.42" | — |
| 2024 | 74° | 52° | 63° | — | — |
| 2023 | 55° | 40° | 47° | — | — |
| 2022 | 55° | 49° | 52° | — | — |
| 2021 | 88° | 45° | 66° | — | — |
| 2020 | 68° | 37° | 53° | — | — |
| 2019 | 56° | 44° | 50° | 0.03" | — |
| 2018 | 82° | 50° | 66° | — | — |
| 2017 | 54° | 43° | 48° | 0.46" | — |
| 2016 | 54° | 46° | 50° | 0.64" | — |
| 2015 | 71° | 34° | 52° | — | — |
| 2014 | 48° | 40° | 44° | 0.23" | — |
| 2013 | 84° | 59° | 72° | — | — |
| 2012 | 64° | 40° | 52° | — | — |
| 2011 | 60° | 45° | 52° | — | — |
| 2010 | 71° | 55° | 63° | 0.03" | — |
| 2009 | 60° | 45° | 52° | — | — |
| 2008 | 74° | 48° | 61° | — | — |
| 2007 | 80° | 51° | 66° | — | — |
| 2006 | 63° | 52° | 57° | 0.76" | — |
| 2005coldest | 49° | 30° | 39° | — | — |
| 2004 | 52° | 42° | 47° | — | — |
| 2003 | 57° | 50° | 54° | 0.79" | — |
| 2002 | 61° | 45° | 53° | 0.69" | — |
| 2001 | 84° | 58° | 71° | — | — |
| 2000 | 71° | 53° | 62° | 0.2" | — |
| 1999 | 73° | 38° | 55° | — | — |
| 1998 | 62° | 51° | 57° | 0.33" | — |
| 1997 | 59° | 35° | 47° | 0.28" | — |
| 1996 | 60° | 36° | 48° | — | — |
| 1995 | 54° | 36° | 45° | — | — |
| 1994 | 57° | 33° | 45° | — | — |
| 1993 | 73° | 51° | 62° | 0.56" | — |
| 1992warmest | 88° | 58° | 73° | — | — |
| 1991 | 55° | 39° | 47° | — | — |
| 1990 | 56° | 41° | 48° | — | — |
| 1989 | 55° | 39° | 47° | 0.33" | — |
| 1988 | 74° | 37° | 55° | — | — |
| 1987 | 73° | 40° | 56° | 0.48" | — |
| 1986 | 61° | 44° | 52° | — | — |
| 1985 | 64° | 46° | 55° | 0.03" | — |
| 1984 | 59° | 37° | 48° | — | — |
| 1983 | 58° | 42° | 50° | 0.38" | — |
| 1982 | 72° | 40° | 56° | — | — |
| 1981 | 55° | 36° | 45° | — | — |
| 1980 | 70° | 44° | 57° | — | — |
| 1979 | 55° | 30° | 43° | — | — |
| 1978 | 55° | 27° | 41° | — | — |
| 1977 | 77° | 48° | 63° | 0.03" | — |
| 1976 | 63° | 39° | 51° | — | — |
| 1975 | 65° | 35° | 50° | — | — |
| 1974 | 67° | 43° | 55° | — | — |
| 1973 | 73° | 58° | 65° | 5.08" | — |
| 1972 | 71° | 48° | 60° | 0.23" | — |
| 1971 | 61° | 44° | 52° | — | — |
55 years of data from ROCKFORD GTR ROCKFORD AP