Weather on August 31
Port Saint Lucie, FL
55 Years of Data
About This Date
August 31st in Port Saint Lucie, FL typically brings hot summer weather, with average highs around 90°F and lows near 76°F. Over 55 years of records, the warmest August 31st was in 2020 (87°F average), while the coldest was 1972 (77°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 60% of August 31st dates historically, with the wettest August 31st recording 4.39" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Port Saint Lucie, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 75° | 85° | 0.25" | — |
| 2024 | 86° | 77° | 82° | 2.51" | — |
| 2023 | 93° | 79° | 86° | 0.61" | — |
| 2022 | 90° | 78° | 84° | — | — |
| 2021 | 89° | 78° | 84° | — | — |
| 2020warmest | 96° | 78° | 87° | 0.08" | — |
| 2019 | 89° | 74° | 81° | 1.02" | — |
| 2018 | 87° | 81° | 84° | 0.08" | — |
| 2017 | 89° | 80° | 85° | 0.08" | — |
| 2016 | 86° | 74° | 80° | 4.39" | — |
| 2015 | 87° | 75° | 81° | 2.06" | — |
| 2014 | 88° | 84° | 86° | — | — |
| 2013 | 87° | 74° | 80° | 3.81" | — |
| 2012 | 86° | 79° | 82° | — | — |
| 2011 | 86° | 79° | 82° | — | — |
| 2010 | 89° | 77° | 83° | 0.1" | — |
| 2009 | 89° | 74° | 81° | 0.48" | — |
| 2008 | 87° | 76° | 81° | 0.97" | — |
| 2007 | 89° | 78° | 84° | — | — |
| 2006 | 85° | 74° | 79° | 1.17" | — |
| 2005 | 96° | 76° | 86° | 0.28" | — |
| 2004 | 90° | 74° | 82° | — | — |
| 2003 | 89° | 79° | 84° | — | — |
| 2002 | 89° | 75° | 82° | 2.34" | — |
| 2001 | 90° | 76° | 83° | — | — |
| 2000 | 89° | 74° | 81° | — | — |
| 1999 | 88° | 76° | 82° | 0.91" | — |
| 1998 | 90° | 77° | 83° | — | — |
| 1997 | 91° | 71° | 81° | 0.13" | — |
| 1996 | 95° | 74° | 84° | — | — |
| 1995 | 92° | 78° | 85° | — | — |
| 1994 | 92° | 72° | 82° | 0.41" | — |
| 1993 | 89° | 74° | 81° | 1.96" | — |
| 1992 | 90° | 76° | 83° | — | — |
| 1991 | 91° | 73° | 82° | 0.03" | — |
| 1990 | 93° | 75° | 84° | — | — |
| 1989 | 91° | 76° | 83° | — | — |
| 1988 | 87° | 75° | 81° | 0.91" | — |
| 1987 | 90° | 81° | 85° | — | — |
| 1986 | 99° | 72° | 85° | 1.55" | — |
| 1985 | 89° | 80° | 85° | 0.15" | — |
| 1984 | 93° | 70° | 81° | 3.28" | — |
| 1983 | 92° | 78° | 85° | — | — |
| 1982 | 85° | 76° | 80° | 0.97" | — |
| 1981 | 91° | 75° | 83° | 0.05" | — |
| 1980 | 89° | 75° | 82° | — | — |
| 1979 | 87° | 74° | 80° | 0.18" | — |
| 1978 | 90° | 73° | 81° | — | — |
| 1977 | 88° | 78° | 83° | 0.08" | — |
| 1976 | 90° | 76° | 83° | — | — |
| 1975 | 92° | 69° | 80° | — | — |
| 1974 | 88° | 72° | 80° | 0.08" | — |
| 1973 | 84° | 74° | 79° | 1.19" | — |
| 1972coldest | 90° | 64° | 77° | 0.18" | — |
| 1971 | 88° | 76° | 82° | 0.64" | — |
Port Saint Lucie, FL Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Port Saint Lucie, FL Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Port Saint Lucie, FL Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Port Saint Lucie, FL
Port Saint Lucie, FL has no months that meet our "pleasant" threshold — every season has tradeoffs.