Weather on April 20
Norman, OK
55 Years of Data
Avg High
73°F
Avg Low
50°F
Warmest
1985
75°F avg
Coldest
2021
43°F avg
About This Date
April 20th in Norman, OK typically brings pleasant spring weather, with average highs around 73°F and lows near 50°F. Over 55 years of records, the warmest April 20th was in 1985 (75°F average), while the coldest was 2021 (43°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 35% of April 20th dates historically, with the wettest April 20th recording 4.57" of rain. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Norman, OK? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 48° | 56° | 2.36" | — |
| 2024 | 58° | 49° | 53° | 0.18" | — |
| 2023 | 74° | 55° | 64° | 0.08" | — |
| 2022 | 93° | 58° | 75° | — | — |
| 2021coldest | 54° | 32° | 43° | — | — |
| 2020 | 77° | 46° | 62° | — | — |
| 2019 | 78° | 41° | 60° | — | — |
| 2018 | 69° | 40° | 54° | — | — |
| 2017 | 73° | 63° | 68° | — | — |
| 2016 | 72° | 57° | 64° | 2.44" | — |
| 2015 | 64° | 40° | 52° | — | — |
| 2014 | 73° | 57° | 65° | 0.03" | — |
| 2013 | 70° | 44° | 57° | — | — |
| 2012 | 62° | 47° | 54° | 0.1" | — |
| 2011 | 67° | 45° | 56° | — | — |
| 2010 | 65° | 42° | 53° | — | — |
| 2009 | 80° | 42° | 61° | — | — |
| 2008 | 84° | 44° | 64° | — | — |
| 2007 | 74° | 47° | 60° | — | — |
| 2006 | 79° | 54° | 66° | — | — |
| 2005 | 81° | 64° | 72° | — | — |
| 2004 | 83° | 60° | 71° | 0.1" | — |
| 2003 | 67° | 45° | 56° | — | — |
| 2002 | 74° | 55° | 64° | 0.05" | — |
| 2001 | 77° | 64° | 71° | — | — |
| 2000 | 71° | 50° | 61° | — | — |
| 1999 | 84° | 53° | 69° | — | — |
| 1998 | 59° | 41° | 50° | 0.76" | — |
| 1997 | 84° | 54° | 69° | — | — |
| 1996 | 73° | 44° | 59° | — | — |
| 1995 | 68° | 48° | 58° | — | — |
| 1994 | 82° | 58° | 70° | — | — |
| 1993 | 61° | 42° | 51° | — | — |
| 1992 | 58° | 46° | 52° | 1.85" | — |
| 1991 | 61° | 44° | 52° | — | — |
| 1990 | 78° | 58° | 68° | 1.22" | — |
| 1989 | 79° | 50° | 64° | — | — |
| 1988 | 86° | 47° | 66° | — | — |
| 1987 | 86° | 57° | 72° | 0.86" | — |
| 1986 | 74° | 45° | 59° | 0.08" | — |
| 1985warmest | 80° | 69° | 75° | — | — |
| 1984 | 80° | 55° | 68° | 0.03" | — |
| 1983 | 57° | 37° | 47° | — | — |
| 1982 | 61° | 45° | 53° | — | — |
| 1981 | 65° | 56° | 60° | — | — |
| 1980 | 83° | 46° | 64° | — | — |
| 1979 | 69° | 58° | 63° | 0.38" | — |
| 1978 | 63° | 40° | 51° | — | — |
| 1977 | 75° | 57° | 66° | 4.57" | — |
| 1976 | 63° | 49° | 56° | 0.03" | — |
| 1975 | 77° | 41° | 59° | — | — |
| 1974 | 80° | 63° | 71° | — | — |
| 1973 | 80° | 56° | 68° | — | — |
| 1972 | 79° | 60° | 69° | 3.91" | — |
| 1971 | 78° | 50° | 64° | 0.33" | — |
55 years of data from NORMAN 2NW MESONET