April is close to Port Saint Lucie's year-round average, with average highs near 28.2°C and lows around 18.3°C (mean 23.3°C). It is one of the drier months, averaging 68 mm of rainfall and 70% relative humidity across the period.
April is close to Port Saint Lucie's year-round average. Across 45 years of records, the warmest April in Port Saint Lucie was 2015 — when the month averaged 25.9°C — while the coldest was 1987 at 19.4°C. Typical April days reach 28.2°C with nights near 18.3°C. The long-term trend is warming, about 0.7°C per decade.
April is one of the drier months in Port Saint Lucie, averaging 68 mm of rainfall. The wettest April on record was 1997 with 165 mm, while the driest was 1986 at 5 mm.
Relative humidity in Port Saint Lucie during April averages 70%. The most humid April was 1995 at 82%, and the least humid was 1986 at 60%.
April receives about 6.1 kWh/m²/day of solar energy in Port Saint Lucie. The sunniest April was 2025 at 6.9 kWh/m²/day, and the cloudiest was 2020 at 5.2.
Average wind speed in Port Saint Lucie during April is 2.9 m/s. The windiest Aprils were 1997, 2009 and 2017 at 3.4 m/s, while the calmest was 2015 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.2°C | 22.4°C | 23.1°C | 24.2°C | 24.9°C | +2.7°C |
| Avg High | 27.5°C | 26.9°C | 28.2°C | 29.2°C | 29.9°C | +2.4°C |
| Avg Low | 17.0°C | 18.0°C | 17.9°C | 19.2°C | 19.8°C | +2.8°C |
| Avg Rain | 54 mm | 91 mm | 58 mm | 65 mm | 72 mm | +18 mm |
April temperatures in Port Saint Lucie have risen by about 2.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 4.4°C (1987) to a record high of 36°C (1999).
Rainfall in April is one of the drier months, averaging 68 mm, with a wettest year of 165 mm.
One of the best times to visit Port Saint Lucie
April is one of the best times to visit Port Saint Lucie. Expect days averaging 28.2°C and nights around 18.3°C (mean 23.3°C) — close to Port Saint Lucie's yearly average — with moderate rainfall (68 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.6°C | 25.2°C | 19.8°C | 33.4°C | 13.9°C | 7 mm | 65% | 3.2 m/s | 6.9 |
| 2024 | 29.8°C | 24.2°C | 18.5°C | 34.7°C | 13.2°C | 25 mm | 63% | 3.3 m/s | 6.7 |
| 2023 | 29.9°C | 25.5°C | 21.1°C | 34.0°C | 15.5°C | 147 mm | 73% | 3 m/s | 5.8 |
| 2022 | 29.4°C | 24.7°C | 19.9°C | 32.3°C | 10.5°C | 66 mm | 68% | 3.2 m/s | 6 |
| 2021 | 28.9°C | 23.9°C | 19.0°C | 33.6°C | 13.8°C | 89 mm | 69% | 2.9 m/s | 6 |
| 2020 | 30.7°C | 25.7°C | 20.7°C | 35.6°C | 15.8°C | 94 mm | 68% | 3.2 m/s | 5.2 |
| 2019 | 29.6°C | 24.5°C | 19.4°C | 32.5°C | 14.9°C | 55 mm | 69% | 3 m/s | 6.2 |
| 2018 | 29.6°C | 24.1°C | 18.5°C | 32.8°C | 12.1°C | 88 mm | 69% | 2.9 m/s | 6.4 |
| 2017 | 29.8°C | 24.7°C | 19.5°C | 34.2°C | 11.7°C | 42 mm | 64% | 3.4 m/s | 6.3 |
| 2016 | 27.4°C | 22.9°C | 18.5°C | 31.6°C | 13.0°C | 37 mm | 72% | 2.7 m/s | 6.4 |
| 2015 🔥 | 30.3°C | 25.9°C | 21.6°C | 33.7°C | 16.0°C | 114 mm | 73% | 2.2 m/s | 5.8 |
| 2014 | 29.6°C | 24.2°C | 18.8°C | 33.0°C | 14.2°C | 49 mm | 70% | 2.9 m/s | 6 |
| 2013 | 29.2°C | 24.5°C | 19.7°C | 31.8°C | 14.8°C | 86 mm | 73% | 3 m/s | 5.8 |
| 2012 | 29.1°C | 24.0°C | 19.0°C | 32.6°C | 11.0°C | 49 mm | 63% | 3 m/s | 6.1 |
| 2011 | 30.7°C | 25.3°C | 19.9°C | 33.8°C | 14.6°C | 34 mm | 67% | 2.7 m/s | 6.5 |
| 2010 | 26.3°C | 21.9°C | 17.4°C | 29.1°C | 11.0°C | 96 mm | 77% | 2.9 m/s | 6 |
| 2009 | 29.0°C | 23.6°C | 18.1°C | 32.4°C | 9.3°C | 20 mm | 64% | 3.4 m/s | 6.2 |
| 2008 | 27.4°C | 22.5°C | 17.6°C | 31.0°C | 9.3°C | 86 mm | 72% | 2.9 m/s | 6.4 |
| 2007 | 29.2°C | 23.3°C | 17.4°C | 33.5°C | 10.0°C | 65 mm | 63% | 3 m/s | 6.2 |
| 2006 | 29.9°C | 24.6°C | 19.3°C | 34.2°C | 15.9°C | 53 mm | 66% | 2.9 m/s | 6.3 |
| 2005 | 26.1°C | 20.9°C | 15.7°C | 30.5°C | 9.4°C | 64 mm | 72% | 3.1 m/s | 6.5 |
| 2004 | 28.3°C | 22.8°C | 17.4°C | 32.8°C | 10.1°C | 44 mm | 64% | 3.3 m/s | 6.3 |
| 2003 | 27.2°C | 22.6°C | 17.9°C | 30.2°C | 8.6°C | 68 mm | 75% | 2.8 m/s | 5.9 |
| 2002 | 28.8°C | 24.4°C | 20.0°C | 33.5°C | 17.2°C | 78 mm | 72% | 2.5 m/s | 6.2 |
| 2001 | 28.5°C | 23.5°C | 18.5°C | 34.3°C | 12.8°C | 23 mm | 65% | 3.1 m/s | 6.3 |
| 2000 | 28.0°C | 22.5°C | 16.9°C | 32.9°C | 11.2°C | 84 mm | 68% | 3.1 m/s | 6.4 |
| 1999 | 30.6°C | 24.9°C | 19.3°C | 36.0°C | 11.0°C | 68 mm | 66% | 2.7 m/s | 6.4 |
| 1998 | 26.2°C | 21.7°C | 17.1°C | 29.3°C | 10.9°C | 74 mm | 78% | 3.2 m/s | 6.2 |
| 1997 🌧️ | 27.0°C | 22.6°C | 18.1°C | 30.1°C | 9.1°C | 165 mm | 71% | 3.4 m/s | 5.3 |
| 1996 | 25.4°C | 21.0°C | 16.5°C | 29.4°C | 8.9°C | 42 mm | 78% | 2.7 m/s | 6.1 |
| 1995 | 26.1°C | 22.3°C | 18.5°C | 29.8°C | 12.2°C | 80 mm | 82% | 2.7 m/s | 5.3 |
| 1994 | 27.4°C | 23.7°C | 20.1°C | 30.0°C | 13.7°C | 130 mm | 78% | 2.9 m/s | 6 |
| 1993 | 24.6°C | 19.7°C | 14.9°C | 27.2°C | 9.5°C | 54 mm | 77% | 3 m/s | 6.3 |
| 1992 | 25.6°C | 21.3°C | 17.0°C | 30.2°C | 10.5°C | 93 mm | 74% | 3.1 m/s | 5.7 |
| 1991 | 27.5°C | 23.7°C | 20.0°C | 30.6°C | 13.4°C | 158 mm | 80% | 2.7 m/s | 5.8 |
| 1990 | 28.3°C | 23.3°C | 18.3°C | 33.9°C | 9.6°C | 45 mm | 66% | 3.1 m/s | 6.1 |
| 1989 | 28.9°C | 23.6°C | 18.4°C | 33.7°C | 13.6°C | 92 mm | 68% | 2.5 m/s | 6.1 |
| 1988 | 28.6°C | 23.0°C | 17.3°C | 33.9°C | 10.8°C | 51 mm | 66% | 2.9 m/s | 5.6 |
| 1987 ❄️ | 25.2°C | 19.4°C | 13.6°C | 31.5°C | 4.4°C | 9 mm | 71% | 2.7 m/s | 6.4 |
| 1986 | 28.2°C | 21.8°C | 15.5°C | 34.5°C | 11.5°C | 5 mm | 60% | 2.8 m/s | 6.7 |
| 1985 | 27.3°C | 22.4°C | 17.5°C | 33.5°C | 11.0°C | 106 mm | 70% | 2.8 m/s | 5.5 |
| 1984 | 27.1°C | 21.7°C | 16.4°C | 31.3°C | 9.7°C | 50 mm | 73% | 2.9 m/s | 5.7 |
| 1983 | 24.7°C | 20.0°C | 15.3°C | 27.7°C | 9.1°C | 54 mm | 77% | 3.1 m/s | — |
| 1982 | 26.9°C | 23.1°C | 19.2°C | 29.9°C | 14.7°C | 108 mm | 79% | 2.8 m/s | — |
| 1981 | 30.2°C | 24.8°C | 19.4°C | 34.8°C | 16.5°C | 8 mm | 63% | 3.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 28.2°C with lows near 18.3°C (mean 23.3°C), based on 45 years of NASA POWER data.
April averages 68 mm of rainfall in Port Saint Lucie, one of the drier months. The wettest on record was 165 mm in 1997.
The hottest April reached 36°C in 1999. The coldest dipped to 4.4°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2.3°C. Daytime highs moved from 27.2°C to 29.7°C and overnight lows from 17.6°C to 19.7°C over the same span.
April is close to Port Saint Lucie's year-round average and one of the drier months, so plan for around 28.2°C daytime highs and 18.3°C at night.
Not quite — April is the 6th coolest month in Port Saint Lucie, averaging 23.3°C.
For April in Port Saint Lucie, pack light layers you can adjust through the day, with typical highs of 28.2°C and lows of 18.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 70% — moderately humid.
Average wind speed in April is 2.9 m/s. The windiest April on record averaged 3.4 m/s (1997).
The wettest April on record was 1997 with 165 mm. On average, April sees 68 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 April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
