Weather on August 20
Port Saint Lucie, FL
55 Years of Data
Avg High
90°F
Avg Low
76°F
Warmest
1977
86°F avg
Coldest
2008
76°F avg
About This Date
August 20th 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 20th was in 1977 (86°F average), while the coldest was 2008 (76°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 49% of August 20th dates historically, with the wettest August 20th recording 25.7" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 20th 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 |
|---|---|---|---|---|---|
| 2025 | 90° | 80° | 85° | — | — |
| 2024 | 91° | 78° | 85° | 1.14" | — |
| 2023 | 90° | 76° | 83° | 0.15" | — |
| 2022 | 91° | 77° | 84° | — | — |
| 2021 | 88° | 78° | 83° | — | — |
| 2020 | 90° | 74° | 82° | 3.56" | — |
| 2019 | 89° | 78° | 84° | 0.05" | — |
| 2018 | 89° | 78° | 84° | — | — |
| 2017 | 90° | 78° | 84° | — | — |
| 2016 | 90° | 78° | 84° | — | — |
| 2015 | 92° | 78° | 85° | — | — |
| 2014 | 90° | 82° | 86° | 0.08" | — |
| 2013 | 86° | 81° | 83° | — | — |
| 2012 | 92° | 79° | 85° | 0.1" | — |
| 2011 | 87° | 76° | 81° | 0.76" | — |
| 2010 | 93° | 76° | 84° | — | — |
| 2009 | 90° | 77° | 83° | — | — |
| 2008coldest | 79° | 74° | 76° | 25.7" | — |
| 2007 | 91° | 80° | 86° | 0.28" | — |
| 2006 | 90° | 72° | 81° | 0.91" | — |
| 2005 | 92° | 77° | 84° | — | — |
| 2004 | 85° | 79° | 82° | — | — |
| 2003 | 86° | 72° | 79° | — | — |
| 2002 | 90° | 74° | 82° | — | — |
| 2001 | 91° | 76° | 83° | — | — |
| 2000 | 89° | 73° | 81° | — | — |
| 1999 | 93° | 74° | 83° | 1.65" | — |
| 1998 | 91° | 78° | 85° | 1.04" | — |
| 1997 | 95° | 71° | 83° | 0.13" | — |
| 1996 | 91° | 75° | 83° | 1.91" | — |
| 1995 | 91° | 76° | 83° | — | — |
| 1994 | 91° | 77° | 84° | 0.03" | — |
| 1993 | 94° | 78° | 86° | — | — |
| 1992 | 90° | 75° | 82° | 1.78" | — |
| 1991 | 95° | 73° | 84° | 0.13" | — |
| 1990 | 94° | 74° | 84° | — | — |
| 1989 | 89° | 73° | 81° | 0.61" | — |
| 1988 | 85° | 73° | 79° | 5.08" | — |
| 1987 | 93° | 78° | 86° | — | — |
| 1986 | 88° | 72° | 80° | 2.34" | — |
| 1985 | 89° | 73° | 81° | 0.1" | — |
| 1984 | 92° | 74° | 83° | 0.05" | — |
| 1983 | 93° | 78° | 86° | — | — |
| 1982 | 89° | 72° | 80° | 0.33" | — |
| 1981 | 87° | 76° | 81° | 0.33" | — |
| 1980 | 92° | 75° | 83° | — | — |
| 1979 | 90° | 76° | 83° | — | — |
| 1978 | 93° | 74° | 83° | — | — |
| 1977warmest | 96° | 75° | 86° | — | — |
| 1976 | 88° | 74° | 81° | 0.97" | — |
| 1975 | 85° | 71° | 78° | — | — |
| 1974 | 90° | 70° | 80° | 0.05" | — |
| 1973 | 88° | 76° | 82° | 0.48" | — |
| 1972 | 94° | 70° | 82° | — | — |
| 1971 | 92° | — | — | — | — |
55 years of data from NETTLES IS