Weather on March 31
Port Saint Lucie, FL
55 Years of Data
Avg High
81°F
Avg Low
64°F
Warmest
2005
81°F avg
Coldest
1971
55°F avg
About This Date
March 31st in Port Saint Lucie, FL typically brings warm spring weather, with average highs around 81°F and lows near 64°F. Over 56 years of records, the warmest March 31st was in 2005 (81°F average), while the coldest was 1971 (55°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 38% of March 31st dates historically, with the wettest March 31st recording 8.61" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Port Saint Lucie, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 77° | 72° | 74° | 0.15" | — |
| 2025 | 79° | 63° | 71° | 1.14" | — |
| 2024 | 77° | 63° | 70° | — | — |
| 2023 | 78° | 73° | 76° | — | — |
| 2022 | 80° | 74° | 77° | — | — |
| 2021 | 82° | 75° | 79° | — | — |
| 2020 | 82° | 70° | 76° | — | — |
| 2019 | 78° | 62° | 70° | — | — |
| 2018 | 83° | 69° | 76° | — | — |
| 2017 | 81° | 68° | 74° | — | — |
| 2016 | 79° | 69° | 74° | 2.41" | — |
| 2015 | 76° | 66° | 71° | — | — |
| 2014 | 76° | 58° | 67° | — | — |
| 2013 | 69° | 60° | 65° | — | — |
| 2012 | 77° | 68° | 73° | — | — |
| 2011 | 87° | 72° | 79° | — | — |
| 2010 | 74° | 44° | 59° | — | — |
| 2009 | 77° | 65° | 71° | — | — |
| 2008 | 82° | — | — | 8.61" | — |
| 2007 | 81° | 67° | 74° | 2.46" | — |
| 2006 | 80° | 69° | 75° | — | — |
| 2005warmest | 80° | 82° | 81° | — | — |
| 2004 | 73° | 65° | 69° | — | — |
| 2003 | 82° | 50° | 66° | 0.2" | — |
| 2002 | 82° | 65° | 73° | — | — |
| 2001 | 82° | 62° | 72° | 0.33" | — |
| 2000 | 88° | 63° | 75° | 0.79" | — |
| 1999 | 79° | 66° | 72° | — | — |
| 1998 | 81° | 72° | 76° | 0.33" | — |
| 1997 | 84° | 59° | 72° | — | — |
| 1996 | 87° | 62° | 75° | 3.25" | — |
| 1995 | 86° | 64° | 75° | — | — |
| 1994 | 84° | 70° | 77° | — | — |
| 1993 | 84° | 64° | 74° | — | — |
| 1992 | 85° | 56° | 70° | — | — |
| 1991 | 87° | 62° | 75° | 5.08" | — |
| 1990 | 76° | 69° | 72° | 0.64" | — |
| 1989 | 89° | 69° | 79° | — | — |
| 1988 | 77° | 69° | 73° | 0.15" | — |
| 1987 | 78° | 56° | 67° | 2.21" | — |
| 1986 | 78° | 57° | 68° | 0.18" | — |
| 1985 | 86° | 67° | 76° | — | — |
| 1984 | 82° | 55° | 69° | — | — |
| 1983 | 80° | 63° | 71° | 1.5" | — |
| 1982 | 78° | 68° | 73° | 0.05" | — |
| 1981 | 84° | 68° | 76° | 0.03" | — |
| 1980 | 86° | 66° | 76° | 0.08" | — |
| 1979 | 76° | 67° | 71° | — | — |
| 1978 | 78° | 62° | 70° | — | — |
| 1977 | 84° | 63° | 73° | — | — |
| 1976 | 84° | 60° | 72° | — | — |
| 1975 | 89° | 65° | 77° | — | — |
| 1974 | 87° | 60° | 74° | — | — |
| 1973 | 79° | 72° | 75° | — | — |
| 1972 | 82° | 52° | 67° | 6.35" | — |
| 1971coldest | 73° | 38° | 55° | 0.58" | — |
56 years of data from NETTLES IS