Weather on May 21
Edmond, OK
55 Years of Data
Avg High
82°F
Avg Low
60°F
Warmest
2006
84°F avg
Coldest
2015
56°F avg
About This Date
May 21st in Edmond, OK typically brings warm spring weather, with average highs around 82°F and lows near 60°F. Over 55 years of records, the warmest May 21st was in 2006 (84°F average), while the coldest was 2015 (56°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 21st dates historically, with the wettest May 21st recording 10.11" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Edmond, OK? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 54° | 71° | — | — |
| 2024 | 91° | 68° | 80° | — | — |
| 2023 | 75° | 53° | 64° | — | — |
| 2022 | 68° | 51° | 60° | 1.83" | — |
| 2021 | 82° | 66° | 74° | — | — |
| 2020 | 78° | 65° | 71° | — | — |
| 2019 | 75° | 60° | 68° | 5.82" | — |
| 2018 | 81° | 57° | 69° | — | — |
| 2017 | 75° | 46° | 61° | — | — |
| 2016 | 82° | 62° | 72° | — | — |
| 2015coldest | 66° | 46° | 56° | — | — |
| 2014 | 93° | 72° | 82° | — | — |
| 2013 | 69° | 56° | 62° | 0.69" | — |
| 2012 | 83° | 60° | 71° | 0.41" | — |
| 2011 | 88° | 61° | 74° | 0.03" | — |
| 2010 | 82° | 53° | 68° | — | — |
| 2009 | 81° | 57° | 69° | — | — |
| 2008 | 79° | 54° | 66° | — | — |
| 2007 | 80° | 61° | 70° | — | — |
| 2006warmest | 98° | 70° | 84° | — | — |
| 2005 | 94° | 65° | 79° | — | — |
| 2004 | 90° | 72° | 81° | — | — |
| 2003 | 64° | 54° | 59° | — | — |
| 2002 | 74° | 54° | 64° | — | — |
| 2001 | 83° | 53° | 68° | — | — |
| 2000 | 80° | 47° | 63° | — | — |
| 1999 | 87° | 64° | 76° | — | — |
| 1998 | 87° | 68° | 78° | — | — |
| 1997 | 75° | 53° | 64° | — | — |
| 1996 | 92° | 65° | 78° | — | — |
| 1995 | 84° | 62° | 73° | 0.13" | — |
| 1994 | 84° | 54° | 69° | — | — |
| 1993 | 75° | 53° | 64° | — | — |
| 1992 | 82° | 65° | 73° | 2.62" | — |
| 1991 | 83° | 69° | 76° | 0.64" | — |
| 1990 | 92° | 57° | 74° | — | — |
| 1989 | 91° | 70° | 80° | — | — |
| 1988 | 83° | 57° | 70° | 0.08" | — |
| 1987 | 93° | 66° | 80° | 0.25" | — |
| 1986 | 83° | 59° | 71° | — | — |
| 1985 | 72° | 60° | 66° | 0.76" | — |
| 1984 | 86° | 55° | 71° | — | — |
| 1983 | 84° | 60° | 72° | — | — |
| 1982 | 86° | 62° | 74° | — | — |
| 1981 | 81° | 54° | 67° | — | — |
| 1980 | 77° | 58° | 67° | — | — |
| 1979 | 76° | 59° | 67° | 0.76" | — |
| 1978 | 76° | 63° | 69° | 2.92" | — |
| 1977 | 77° | 58° | 67° | 10.11" | — |
| 1976 | 85° | 61° | 73° | — | — |
| 1975 | 88° | 65° | 76° | — | — |
| 1974 | 82° | 60° | 71° | 0.43" | — |
| 1973 | 92° | 65° | 78° | — | — |
| 1972 | 83° | 63° | 73° | — | — |
| 1971 | 80° | 61° | 70° | — | — |
55 years of data from LAKE HEFNER 2