Weather on March 31 at Biscayne
Biscayne National Park
Based on 56 years of data from Miami, FL
Planning Your Visit
March 31st in Biscayne National Park (via Miami, FL) typically brings warm spring weather, with average highs around 80°F and lows near 69°F. Over 56 years of records, the warmest March 31st was in 1980 (82°F average), while the coldest was 1971 (61°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 23% of March 31st dates historically, with the wettest March 31st recording 5.84" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 31st in Biscayne? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 83°F | 68°F | 0.81" | -- |
| 2025 | 86°F | 71°F | 5.84" | -- |
| 2024 | 79°F | 69°F | 0" | -- |
| 2023 | 79°F | 71°F | 0.38" | -- |
| 2022 | 83°F | 77°F | 0" | -- |
| 2021 | -- | 74°F | 0" | -- |
| 2020 | 81°F | 73°F | 0" | -- |
| 2019 | 78°F | 72°F | 0" | -- |
| 2018 | 85°F | 64°F | 0" | -- |
| 2017 | 79°F | 74°F | 0" | -- |
| 2016 | 77°F | 71°F | 0" | -- |
| 2015 | 75°F | 61°F | 0" | -- |
| 2014 | 78°F | 61°F | 0" | -- |
| 2013 | 75°F | 67°F | 0" | -- |
| 2012 | 78°F | 70°F | 0" | -- |
| 2011 | 81°F | 74°F | 0" | -- |
| 2010 | 74°F | 57°F | 0" | 0" |
| 2009 | 79°F | 66°F | 0" | 0" |
| 2008 | 78°F | 69°F | 0" | -- |
| 2007 | 76°F | 70°F | 0" | -- |
| 2006 | 76°F | 71°F | 0" | 0" |
| 2005 | 80°F | 64°F | 0" | 0" |
| 2004 | 82°F | 64°F | 0" | 0" |
| 2003 | 78°F | 55°F | 0" | 0" |
| 2002 | 83°F | 74°F | 0" | 0" |
| 2001 | 87°F | 72°F | 1.63" | 0" |
| 2000 | 89°F | 76°F | 0" | 0" |
| 1999 | 78°F | 73°F | 0" | 0" |
| 1998 | 78°F | 72°F | 0" | 0" |
| 1997 | 86°F | 73°F | 0" | 0" |
| 1996 | 81°F | 68°F | 1.57" | 0" |
| 1995 | 84°F | 74°F | 0" | 0" |
| 1994 | 81°F | 68°F | 3.61" | 0" |
| 1993 | 82°F | 73°F | 0" | 0" |
| 1992 | 85°F | 71°F | 0" | 0" |
| 1991 | 84°F | 74°F | 1.02" | 0" |
| 1990 | 81°F | 69°F | 1.96" | 0" |
| 1989 | 81°F | 73°F | 0.36" | 0" |
| 1988 | 78°F | 72°F | 0" | 0" |
| 1987 | 76°F | 51°F | 1.22" | 0" |
| 1986 | 75°F | 71°F | 0" | 0" |
| 1985 | 79°F | 73°F | 0" | 0" |
| 1984 | 72°F | 58°F | 0" | 0" |
| 1983 | 78°F | 63°F | 2.41" | 0" |
| 1982 | 78°F | 70°F | 0" | 0" |
| 1981 | 78°F | 72°F | 0" | 0" |
| 1980 | 90°F | 75°F | 0" | 0" |
| 1979 | 76°F | 71°F | 0" | 0" |
| 1978 | 75°F | 64°F | 1.32" | 0" |
| 1977 | 79°F | 75°F | 0" | 0" |
| 1976 | 79°F | 74°F | 0" | 0" |
| 1975 | 82°F | 73°F | 0" | 0" |
| 1974 | 83°F | 68°F | 0" | 0" |
| 1973 | 75°F | 72°F | 0" | 0" |
| 1972 | 85°F | 73°F | 0.05" | 0" |
| 1971 | 73°F | 49°F | 0" | 0" |