Weather on April 21
Frisco, TX
55 Years of Data
Avg High
78°F
Avg Low
56°F
Warmest
2022
76°F avg
Coldest
2021
48°F avg
About This Date
April 21st in Frisco, TX typically brings pleasant spring weather, with average highs around 78°F and lows near 56°F. Over 55 years of records, the warmest April 21st was in 2022 (76°F average), while the coldest was 2021 (48°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 31% of April 21st dates historically, with the wettest April 21st recording 2.64" of rain. The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.1°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Frisco, TX? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 56° | 69° | — | — |
| 2024 | 64° | 49° | 56° | — | — |
| 2023 | 75° | 55° | 65° | — | — |
| 2022warmest | 82° | 70° | 76° | — | — |
| 2021coldest | 61° | 35° | 48° | — | — |
| 2020 | 82° | 59° | 71° | — | — |
| 2019 | 81° | 58° | 69° | — | — |
| 2018 | 63° | 52° | 57° | 0.03" | — |
| 2017 | 82° | 59° | 71° | 1.93" | — |
| 2016 | 77° | 58° | 67° | 0.51" | — |
| 2015 | 71° | 48° | 60° | — | — |
| 2014 | 80° | 54° | 67° | 1.45" | — |
| 2013 | 71° | 47° | 59° | — | — |
| 2012 | 74° | 46° | 60° | — | — |
| 2011 | 84° | 57° | 71° | 0.15" | — |
| 2010 | 78° | 52° | 65° | — | — |
| 2009 | 86° | 52° | 69° | — | — |
| 2008 | 83° | 68° | 75° | — | — |
| 2007 | 78° | 62° | 70° | — | — |
| 2006 | 79° | 60° | 69° | 0.08" | — |
| 2005 | 79° | 64° | 71° | 0.03" | — |
| 2004 | 83° | 66° | 74° | — | — |
| 2003 | 82° | 48° | 65° | — | — |
| 2002 | 83° | 68° | 75° | — | — |
| 2001 | 75° | 67° | 71° | 0.05" | — |
| 2000 | 76° | 50° | 63° | — | — |
| 1999 | 78° | 66° | 72° | — | — |
| 1998 | 70° | 44° | 57° | 2.64" | — |
| 1997 | 84° | 56° | 70° | 0.05" | — |
| 1996 | 86° | 57° | 72° | — | — |
| 1995 | 81° | 53° | 67° | — | — |
| 1994 | 83° | 59° | 71° | — | — |
| 1993 | 69° | 46° | 58° | — | — |
| 1992 | 74° | 43° | 58° | — | — |
| 1991 | 78° | 50° | 64° | — | — |
| 1990 | 81° | 63° | 72° | 2.21" | — |
| 1989 | 83° | 58° | 70° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 89° | 58° | 73° | — | — |
| 1986 | 73° | 55° | 64° | — | — |
| 1985 | 84° | 65° | 74° | — | — |
| 1984 | 85° | 59° | 72° | 0.53" | — |
| 1983 | 69° | 50° | 60° | — | — |
| 1982 | 63° | 51° | 57° | — | — |
| 1981 | 84° | 62° | 73° | — | — |
| 1980 | 86° | 54° | 70° | — | — |
| 1979 | 72° | 60° | 66° | — | — |
| 1978 | 74° | 41° | 57° | — | — |
| 1977 | 71° | 59° | 65° | — | — |
| 1976 | 75° | 47° | 61° | 0.05" | — |
| 1975 | 78° | 47° | 62° | — | — |
| 1974 | 80° | 61° | 70° | 0.81" | — |
| 1973 | 76° | 69° | 72° | 0.03" | — |
| 1972 | 83° | 55° | 69° | 0.48" | — |
| 1971 | 81° | 48° | 64° | 0.53" | — |
55 years of data from RICHARDSON