Weather on April 20 at Biscayne
Biscayne National Park
FLSoutheast
Avg High81°F
Avg Low71°F
Warmest197882°F
Coldest201070°F
Based on 56 years of data from Miami, FL
Planning Your Visit
April 20th in Biscayne National Park (via Miami, FL) typically brings warm spring weather, with average highs around 81°F and lows near 71°F. Over 56 years of records, the warmest April 20th was in 1978 (82°F average), while the coldest was 2010 (70°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 21% of April 20th dates historically, with the wettest April 20th recording 4.55" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Biscayne? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 85°F | 72°F | 0" | -- |
| 2025 | 85°F | 73°F | 0" | -- |
| 2024 | 85°F | 69°F | 0" | -- |
| 2023 | 80°F | 68°F | 0" | -- |
| 2022 | 81°F | 68°F | 0" | -- |
| 2021 | -- | 66°F | 3.96" | -- |
| 2020 | 85°F | 75°F | 0" | -- |
| 2019 | 84°F | 69°F | 2.16" | -- |
| 2018 | 80°F | 70°F | 0" | -- |
| 2017 | 80°F | 74°F | 0" | -- |
| 2016 | 78°F | 72°F | 0" | -- |
| 2015 | 84°F | 77°F | 0" | -- |
| 2014 | 85°F | 67°F | 3.05" | -- |
| 2013 | 85°F | 79°F | 0.43" | -- |
| 2012 | 82°F | 73°F | 0" | -- |
| 2011 | 83°F | 75°F | 0" | -- |
| 2010 | 76°F | 65°F | 0.38" | 0" |
| 2009 | 79°F | 73°F | 0" | 0" |
| 2008 | 81°F | 71°F | 0" | -- |
| 2007 | 79°F | 65°F | 0" | -- |
| 2006 | 84°F | 72°F | 0" | 0" |
| 2005 | 77°F | 67°F | 0" | 0" |
| 2004 | 76°F | 70°F | 0" | 0" |
| 2003 | 82°F | 75°F | 0" | 0" |
| 2002 | 85°F | 73°F | 0" | 0" |
| 2001 | 79°F | 69°F | 0" | 0" |
| 2000 | 81°F | 68°F | 0" | 0" |
| 1999 | 77°F | 65°F | 0" | 0" |
| 1998 | 81°F | 72°F | 0" | 0" |
| 1997 | 80°F | 64°F | 0" | 0" |
| 1996 | 78°F | 71°F | 0" | 0" |
| 1995 | 83°F | 76°F | 0" | 0" |
| 1994 | 88°F | 69°F | 2.03" | 0" |
| 1993 | 77°F | 71°F | 0" | 0" |
| 1992 | 80°F | 67°F | 2.24" | 0" |
| 1991 | 79°F | 71°F | 1.57" | 0" |
| 1990 | 76°F | 71°F | 0.08" | 0" |
| 1989 | 80°F | 71°F | 0" | 0" |
| 1988 | 79°F | 70°F | 1.73" | 0" |
| 1987 | 78°F | 67°F | 0" | 0" |
| 1986 | 76°F | 71°F | 0" | 0" |
| 1985 | 80°F | 75°F | 0" | 0" |
| 1984 | 78°F | 72°F | 0" | 0" |
| 1983 | 83°F | 61°F | 0" | 0" |
| 1982 | 83°F | 78°F | 0" | 0" |
| 1981 | 78°F | 72°F | 0" | 0" |
| 1980 | 82°F | 67°F | 4.55" | 0" |
| 1979 | 77°F | 74°F | 0" | 0" |
| 1978 | 90°F | 75°F | 0" | 0" |
| 1977 | 78°F | 73°F | 0" | 0" |
| 1976 | 76°F | 70°F | 0" | 0" |
| 1975 | 82°F | 76°F | 0" | 0" |
| 1974 | 76°F | 72°F | 0" | 0" |
| 1973 | 80°F | 70°F | 0.08" | 0" |
| 1972 | 84°F | 76°F | 0" | 0" |
| 1971 | 79°F | 68°F | 0" | 0" |
April 20 at Nearby Parks
Holiday Weather at Biscayne
Official NPS WebsiteVisit nps.gov/bisc for park information, alerts, and reservations
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