March is one of the cooler months of the year in Boynton Beach, with average highs near 24.9°C and lows around 19.6°C (mean 22.3°C). It is one of the drier months, averaging 77 mm of rainfall and 74% relative humidity across the period.
March is one of the cooler months of the year in Boynton Beach. Across 45 years of records, the warmest March in Boynton Beach was 2003 — when the month averaged 25°C — while the coldest was 2010 at 18.9°C. Typical March days reach 24.9°C with nights near 19.6°C. The long-term trend is warming, about 0.4°C per decade.
March is one of the drier months in Boynton Beach, averaging 77 mm of rainfall. The wettest March on record was 1982 with 206 mm, while the driest was 2020 at 12 mm.
Relative humidity in Boynton Beach during March averages 74%. The most humid March was 1995 at 80%, and the least humid was 2013 at 66%.
March receives about 5.2 kWh/m²/day of solar energy in Boynton Beach. The sunniest March was 2018 at 6 kWh/m²/day, and the cloudiest was 1987 at 4.5.
Average wind speed in Boynton Beach during March is 4.2 m/s. The windiest March was 1983 at 5.1 m/s, while the calmest was 2003 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.6°C | 21.8°C | 22.7°C | 22.2°C | 23.6°C | +2°C |
| Avg High | 24.2°C | 24.3°C | 25.3°C | 25.0°C | 26.2°C | +2°C |
| Avg Low | 18.9°C | 19.2°C | 20.0°C | 19.5°C | 21.0°C | +2.1°C |
| Avg Rain | 110 mm | 86 mm | 75 mm | 62 mm | 43 mm | -67 mm |
March temperatures in Boynton Beach have risen by about 1.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 7.4°C (1993) to a record high of 29.9°C (2023).
Rainfall in March is one of the drier months, averaging 77 mm, with a wettest year of 206 mm.
One of the best times to visit Boynton Beach
March is one of the best times to visit Boynton Beach. Expect days averaging 24.9°C and nights around 19.6°C (mean 22.3°C) — cooler than Boynton Beach's yearly average — with moderate rainfall (77 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 | 25.6°C | 22.5°C | 19.3°C | 28.4°C | 13.9°C | 53 mm | 75% | 4 m/s | 5.7 |
| 2024 | 26.0°C | 23.7°C | 21.4°C | 28.6°C | 17.8°C | 96 mm | 79% | 3.8 m/s | 4.9 |
| 2023 | 27.2°C | 24.2°C | 21.3°C | 29.9°C | 17.9°C | 36 mm | 73% | 3.8 m/s | 5.6 |
| 2022 | 26.5°C | 24.1°C | 21.6°C | 29.6°C | 17.1°C | 44 mm | 75% | 4.5 m/s | 5.6 |
| 2021 | 25.6°C | 23.2°C | 20.7°C | 28.0°C | 15.4°C | 19 mm | 75% | 4 m/s | 5.5 |
| 2020 | 26.4°C | 23.9°C | 21.4°C | 29.6°C | 14.8°C | 12 mm | 74% | 4 m/s | 5.7 |
| 2019 | 25.5°C | 23.0°C | 20.6°C | 29.2°C | 15.2°C | 81 mm | 74% | 3.8 m/s | 5.3 |
| 2018 | 24.5°C | 21.4°C | 18.3°C | 28.5°C | 14.0°C | 28 mm | 69% | 4.1 m/s | 6 |
| 2017 | 24.7°C | 22.2°C | 19.7°C | 28.2°C | 14.0°C | 46 mm | 71% | 4.3 m/s | 5.4 |
| 2016 | 25.5°C | 23.3°C | 21.0°C | 28.2°C | 15.7°C | 105 mm | 79% | 3.8 m/s | 4.8 |
| 2015 | 26.9°C | 24.2°C | 21.6°C | 29.3°C | 17.1°C | 33 mm | 74% | 3.5 m/s | 5.2 |
| 2014 | 25.6°C | 22.7°C | 19.8°C | 29.3°C | 13.5°C | 57 mm | 72% | 4 m/s | 5.2 |
| 2013 | 23.4°C | 20.2°C | 17.0°C | 29.3°C | 10.2°C | 19 mm | 66% | 4.2 m/s | 5.5 |
| 2012 | 25.9°C | 23.5°C | 21.1°C | 27.8°C | 16.3°C | 43 mm | 72% | 4.4 m/s | 5.4 |
| 2011 | 25.7°C | 22.8°C | 19.8°C | 29.5°C | 14.3°C | 64 mm | 71% | 3.9 m/s | 5.6 |
| 2010 ❄️ | 22.2°C | 18.9°C | 15.7°C | 26.8°C | 8.9°C | 148 mm | 74% | 4.4 m/s | 5.1 |
| 2009 | 24.3°C | 21.7°C | 19.0°C | 27.4°C | 10.2°C | 78 mm | 71% | 4.2 m/s | 5 |
| 2008 | 25.1°C | 22.5°C | 19.8°C | 28.8°C | 12.6°C | 124 mm | 75% | 4.3 m/s | 4.8 |
| 2007 | 25.2°C | 22.8°C | 20.4°C | 29.0°C | 16.3°C | 15 mm | 70% | 4.7 m/s | 5.3 |
| 2006 | 24.6°C | 21.8°C | 19.0°C | 28.8°C | 14.2°C | 27 mm | 71% | 3.8 m/s | 5.6 |
| 2005 | 24.6°C | 21.5°C | 18.3°C | 28.5°C | 13.7°C | 132 mm | 75% | 3.8 m/s | 4.9 |
| 2004 | 25.0°C | 22.5°C | 20.1°C | 27.9°C | 15.2°C | 16 mm | 70% | 4.6 m/s | 5.3 |
| 2003 🔥 | 27.6°C | 25.0°C | 22.3°C | 29.7°C | 13.4°C | 119 mm | 79% | 3.4 m/s | 4.8 |
| 2002 | 25.6°C | 23.2°C | 20.7°C | 28.2°C | 14.9°C | 35 mm | 78% | 3.8 m/s | 5.3 |
| 2001 | 26.0°C | 22.8°C | 19.6°C | 29.2°C | 13.5°C | 122 mm | 73% | 4.2 m/s | 5.1 |
| 2000 | 25.4°C | 22.9°C | 20.4°C | 28.5°C | 17.5°C | 81 mm | 75% | 3.8 m/s | 5.3 |
| 1999 | 24.1°C | 21.2°C | 18.3°C | 26.7°C | 14.1°C | 18 mm | 71% | 3.8 m/s | 5.7 |
| 1998 | 23.0°C | 20.6°C | 18.2°C | 26.1°C | 11.8°C | 127 mm | 78% | 5 m/s | 5.2 |
| 1997 | 26.3°C | 24.0°C | 21.6°C | 28.1°C | 18.1°C | 74 mm | 76% | 3.9 m/s | 5.2 |
| 1996 | 22.9°C | 20.3°C | 17.7°C | 26.4°C | 10.9°C | 140 mm | 78% | 4.6 m/s | 5.2 |
| 1995 | 24.3°C | 22.1°C | 19.9°C | 27.5°C | 16.9°C | 86 mm | 80% | 4.3 m/s | 4.8 |
| 1994 | 24.8°C | 22.1°C | 19.4°C | 28.0°C | 12.2°C | 78 mm | 78% | 4.1 m/s | 5.1 |
| 1993 | 23.0°C | 20.5°C | 18.0°C | 26.6°C | 7.4°C | 161 mm | 78% | 4.4 m/s | 4.8 |
| 1992 | 24.1°C | 21.5°C | 18.8°C | 27.1°C | 14.9°C | 57 mm | 76% | 3.9 m/s | 4.9 |
| 1991 | 25.2°C | 22.5°C | 19.8°C | 28.5°C | 14.0°C | 62 mm | 76% | 4.5 m/s | 5 |
| 1990 | 25.3°C | 23.0°C | 20.7°C | 27.2°C | 16.7°C | 56 mm | 70% | 4.5 m/s | 4.8 |
| 1989 | 25.5°C | 22.8°C | 20.0°C | 28.0°C | 13.0°C | 69 mm | 76% | 3.9 m/s | 4.8 |
| 1988 | 23.5°C | 20.9°C | 18.2°C | 26.0°C | 10.9°C | 72 mm | 74% | 4.4 m/s | 4.9 |
| 1987 | 23.9°C | 21.7°C | 19.4°C | 26.6°C | 12.6°C | 154 mm | 76% | 4.6 m/s | 4.5 |
| 1986 | 23.4°C | 20.8°C | 18.3°C | 27.2°C | 7.9°C | 172 mm | 76% | 4.6 m/s | 4.8 |
| 1985 | 25.0°C | 22.5°C | 20.0°C | 27.2°C | 15.2°C | 62 mm | 72% | 3.8 m/s | 5 |
| 1984 | 23.8°C | 21.0°C | 18.3°C | 27.7°C | 9.1°C | 123 mm | 76% | 4.2 m/s | 5 |
| 1983 | 22.6°C | 19.7°C | 16.7°C | 26.1°C | 10.4°C | 94 mm | 80% | 5.1 m/s | — |
| 1982 🌧️ | 26.1°C | 23.6°C | 21.1°C | 29.0°C | 15.4°C | 206 mm | 77% | 3.7 m/s | — |
| 1981 | 24.3°C | 21.0°C | 17.7°C | 27.3°C | 12.7°C | 42 mm | 68% | 4.5 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 24.9°C with lows near 19.6°C (mean 22.3°C), based on 45 years of NASA POWER data.
March averages 77 mm of rainfall in Boynton Beach, one of the drier months. The wettest on record was 206 mm in 1982.
The hottest March reached 29.9°C in 2023. The coldest dipped to 7.4°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.9°C. Daytime highs moved from 24.4°C to 26.2°C and overnight lows from 18.8°C to 20.9°C over the same span.
March is one of the cooler months of the year in Boynton Beach and one of the drier months, so plan for around 24.9°C daytime highs and 19.6°C at night.
Not quite — March is the 4th coolest month in Boynton Beach, averaging 22.3°C.
For March in Boynton Beach, pack light layers you can adjust through the day, with typical highs of 24.9°C and lows of 19.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 74% — moderately humid.
Average wind speed in March is 4.2 m/s. The windiest March on record averaged 5.1 m/s (1983).
The wettest March on record was 1982 with 206 mm. On average, March sees 77 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 Boynton Beach behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
