October is one of the warmer months of the year in Port Saint Lucie, with average highs near 27.9°C and lows around 21.3°C (mean 24.6°C). It is about average for rainfall, averaging 112 mm of rainfall and 81% relative humidity across the period.
October is one of the warmer months of the year in Port Saint Lucie. Across 45 years of records, the warmest October in Port Saint Lucie was 2019 — when the month averaged 26.9°C — while the coldest were 2008 and 2011 at 23.2°C. Typical October days reach 27.9°C with nights near 21.3°C. The long-term trend is warming, about 0.2°C per decade.
October is about average for rainfall in Port Saint Lucie, averaging 112 mm of rainfall. The wettest October on record was 2011 with 280 mm, while the driest was 2010 at 6 mm.
Relative humidity in Port Saint Lucie during October averages 81%. The most humid October was 1995 at 88%, and the least humid was 2010 at 67%.
October receives about 4.4 kWh/m²/day of solar energy in Port Saint Lucie. The sunniest Octobers were 2010 and 2014 at 4.9 kWh/m²/day, and the cloudiest were 1995 and 2020 at 3.9.
Average wind speed in Port Saint Lucie during October is 2.6 m/s. The windiest October was 2016 at 3.5 m/s, while the calmest was 2002 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.4°C | 24.3°C | 24.5°C | 24.8°C | 25.1°C | +0.7°C |
| Avg High | 27.7°C | 27.4°C | 28.0°C | 28.3°C | 28.3°C | +0.6°C |
| Avg Low | 21.0°C | 21.2°C | 21.1°C | 21.3°C | 22.0°C | +1°C |
| Avg Rain | 109 mm | 141 mm | 93 mm | 100 mm | 116 mm | +8 mm |
October temperatures in Port Saint Lucie have risen by about 0.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 6.8°C (2008) to a record high of 32.7°C (2006).
Rainfall in October is about average for rainfall, averaging 112 mm, with a wettest year of 280 mm.
A good time to visit Port Saint Lucie
October is a good time to visit Port Saint Lucie, with days averaging 27.9°C and nights around 21.3°C (mean 24.6°C, warmer than Port Saint Lucie's yearly average) and higher rainfall. November and April are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 28.1°C | 25.0°C | 21.9°C | 30.6°C | 13.2°C | 146 mm | 82% | 3 m/s | 4.5 |
| 2024 | 27.9°C | 25.2°C | 22.5°C | 31.4°C | 17.6°C | 157 mm | 82% | 3.2 m/s | 4 |
| 2023 | 28.3°C | 24.8°C | 21.3°C | 31.0°C | 12.8°C | 78 mm | 79% | 2.8 m/s | 4.5 |
| 2022 | 28.0°C | 24.3°C | 20.7°C | 30.3°C | 12.6°C | 49 mm | 81% | 2.3 m/s | 4.5 |
| 2021 | 28.8°C | 25.4°C | 22.0°C | 31.2°C | 16.5°C | 75 mm | 80% | 2.2 m/s | 4.5 |
| 2020 | 28.8°C | 26.2°C | 23.6°C | 30.8°C | 21.3°C | 192 mm | 87% | 2.6 m/s | 3.9 |
| 2019 🔥 | 29.9°C | 26.9°C | 23.9°C | 32.0°C | 21.4°C | 112 mm | 82% | 2.6 m/s | 4.3 |
| 2018 | 29.3°C | 25.8°C | 22.3°C | 31.3°C | 13.0°C | 34 mm | 80% | 2.7 m/s | 4.8 |
| 2017 | 27.4°C | 24.3°C | 21.2°C | 30.6°C | 7.6°C | 216 mm | 84% | 3.2 m/s | 4.2 |
| 2016 | 27.5°C | 24.6°C | 21.6°C | 30.5°C | 13.5°C | 107 mm | 81% | 3.5 m/s | 4.3 |
| 2015 | 28.4°C | 25.0°C | 21.6°C | 31.1°C | 18.6°C | 44 mm | 80% | 2.5 m/s | 4.4 |
| 2014 | 28.0°C | 24.0°C | 20.0°C | 31.1°C | 14.4°C | 61 mm | 79% | 2 m/s | 4.9 |
| 2013 | 29.0°C | 25.3°C | 21.5°C | 31.1°C | 16.2°C | 15 mm | 76% | 2.2 m/s | 4.8 |
| 2012 | 27.1°C | 23.8°C | 20.5°C | 29.8°C | 7.6°C | 128 mm | 82% | 2.9 m/s | 4.4 |
| 2011 🌧️ | 26.7°C | 23.2°C | 19.8°C | 30.1°C | 11.9°C | 280 mm | 81% | 2.9 m/s | 4.2 |
| 2010 | 30.0°C | 25.2°C | 20.3°C | 32.3°C | 14.9°C | 6 mm | 67% | 2.3 m/s | 4.9 |
| 2009 | 29.3°C | 25.6°C | 21.9°C | 31.8°C | 10.5°C | 28 mm | 79% | 2.1 m/s | 4.6 |
| 2008 ❄️ | 26.3°C | 23.2°C | 20.0°C | 30.4°C | 6.8°C | 119 mm | 83% | 2.8 m/s | 4.4 |
| 2007 | 28.4°C | 25.9°C | 23.4°C | 31.0°C | 19.5°C | 158 mm | 85% | 2.9 m/s | 4.2 |
| 2006 | 29.1°C | 24.5°C | 20.0°C | 32.7°C | 12.0°C | 34 mm | 71% | 2.5 m/s | 4.7 |
| 2005 | 27.6°C | 24.3°C | 21.0°C | 31.1°C | 9.1°C | 247 mm | 84% | 2.9 m/s | 4.1 |
| 2004 | 27.8°C | 24.2°C | 20.7°C | 29.9°C | 11.8°C | 47 mm | 82% | 2.3 m/s | 4.6 |
| 2003 | 28.4°C | 25.0°C | 21.6°C | 31.4°C | 16.6°C | 25 mm | 82% | 2.4 m/s | 4.4 |
| 2002 | 29.2°C | 25.7°C | 22.2°C | 31.1°C | 16.4°C | 56 mm | 83% | 1.9 m/s | 4.8 |
| 2001 | 26.5°C | 23.6°C | 20.7°C | 29.7°C | 12.2°C | 126 mm | 83% | 2.9 m/s | 4 |
| 2000 | 26.9°C | 23.3°C | 19.8°C | 30.7°C | 14.1°C | 91 mm | 78% | 3.1 m/s | 4.5 |
| 1999 | 26.9°C | 24.0°C | 21.1°C | 29.7°C | 10.6°C | 266 mm | 84% | 3.1 m/s | 4 |
| 1998 | 28.2°C | 25.1°C | 21.9°C | 30.9°C | 15.5°C | 87 mm | 81% | 2.5 m/s | 4.8 |
| 1997 | 27.2°C | 23.5°C | 19.7°C | 29.7°C | 12.6°C | 53 mm | 80% | 2.5 m/s | 4.5 |
| 1996 | 27.4°C | 24.1°C | 20.9°C | 29.0°C | 11.7°C | 141 mm | 80% | 3 m/s | 4.1 |
| 1995 | 27.7°C | 25.2°C | 22.8°C | 29.9°C | 17.1°C | 240 mm | 88% | 2.9 m/s | 3.9 |
| 1994 | 27.6°C | 24.6°C | 21.7°C | 29.2°C | 18.6°C | 145 mm | 85% | 2.2 m/s | 4.1 |
| 1993 | 27.7°C | 24.6°C | 21.5°C | 29.3°C | 10.3°C | 189 mm | 86% | 2.1 m/s | 4 |
| 1992 | 26.6°C | 23.3°C | 19.9°C | 28.7°C | 15.3°C | 60 mm | 83% | 2.5 m/s | 4.2 |
| 1991 | 26.9°C | 23.9°C | 20.9°C | 29.3°C | 12.7°C | 100 mm | 84% | 2.6 m/s | 4.1 |
| 1990 | 27.9°C | 24.8°C | 21.7°C | 30.1°C | 9.6°C | 127 mm | 83% | 2.7 m/s | 4.3 |
| 1989 | 27.1°C | 23.8°C | 20.5°C | 31.0°C | 7.4°C | 157 mm | 82% | 2.5 m/s | 4.4 |
| 1988 | 28.8°C | 24.5°C | 20.2°C | 31.1°C | 14.9°C | 40 mm | 71% | 2.8 m/s | 4.3 |
| 1987 | 27.0°C | 23.4°C | 19.9°C | 29.6°C | 13.5°C | 132 mm | 76% | 3.2 m/s | 4.2 |
| 1986 | 28.3°C | 25.0°C | 21.7°C | 31.6°C | 17.5°C | 180 mm | 80% | 2.1 m/s | 4.3 |
| 1985 | 28.3°C | 25.5°C | 22.7°C | 30.5°C | 19.7°C | 93 mm | 85% | 2.5 m/s | 4.2 |
| 1984 | 28.0°C | 24.6°C | 21.1°C | 29.5°C | 17.2°C | 25 mm | 76% | 3 m/s | 4.5 |
| 1983 | 27.3°C | 24.5°C | 21.7°C | 30.2°C | 15.9°C | 225 mm | 85% | 2.4 m/s | — |
| 1982 | 26.7°C | 23.5°C | 20.3°C | 30.0°C | 12.7°C | 70 mm | 82% | 2.6 m/s | — |
| 1981 | 28.1°C | 24.7°C | 21.3°C | 30.6°C | 16.7°C | 57 mm | 80% | 2.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 27.9°C with lows near 21.3°C (mean 24.6°C), based on 45 years of NASA POWER data.
October averages 112 mm of rainfall in Port Saint Lucie, about average for rainfall. The wettest on record was 280 mm in 2011.
The hottest October reached 32.7°C in 2006. The coldest dipped to 6.8°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.3°C. Daytime highs moved from 27.7°C to 28.2°C and overnight lows from 21.4°C to 21.7°C over the same span.
October is one of the warmer months of the year in Port Saint Lucie and about average for rainfall, so plan for around 27.9°C daytime highs and 21.3°C at night.
Not quite — October is the 7th coolest month in Port Saint Lucie, averaging 24.6°C.
For October in Port Saint Lucie, pack light layers you can adjust through the day, with typical highs of 27.9°C and lows of 21.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 81% — quite humid.
Average wind speed in October is 2.6 m/s. The windiest October on record averaged 3.5 m/s (2016).
The wettest October on record was 2011 with 280 mm. On average, October sees 112 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Port Saint Lucie behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
