March is one of the cooler months of the year in Saint Augustine, with average highs near 21.2°C and lows around 15.2°C (mean 18.2°C). It is one of the drier months, averaging 98 mm of rainfall and 77% relative humidity across the period.
March is one of the cooler months of the year in Saint Augustine. Across 45 years of records, the warmest March in Saint Augustine was 2020 — when the month averaged 21.4°C — while the coldest was 2010 at 15.1°C. Typical March days reach 21.2°C with nights near 15.2°C. The long-term trend is warming, about 0.2°C per decade.
March is one of the drier months in Saint Augustine, averaging 98 mm of rainfall. The wettest March on record was 1983 with 296 mm, while the driest was 2020 at 7 mm.
Relative humidity in Saint Augustine during March averages 77%. The most humid March was 2003 at 87%, and the least humid was 2013 at 68%.
March receives about 5 kWh/m²/day of solar energy in Saint Augustine. The sunniest March was 2006 at 5.8 kWh/m²/day, and the cloudiest was 2003 at 4.1.
Average wind speed in Saint Augustine during March is 2.6 m/s. The windiest March was 1996 at 3.3 m/s, while the calmest was 2020 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.8°C | 17.9°C | 18.4°C | 17.8°C | 19.6°C | +1.8°C |
| Avg High | 20.7°C | 20.8°C | 21.3°C | 20.9°C | 22.9°C | +2.2°C |
| Avg Low | 14.9°C | 15.0°C | 15.4°C | 14.7°C | 16.2°C | +1.3°C |
| Avg Rain | 127 mm | 111 mm | 100 mm | 81 mm | 58 mm | -69 mm |
March temperatures in Saint Augustine have risen by about 1.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 2.3°C (1993) to a record high of 30.3°C (2020).
Rainfall in March is one of the drier months, averaging 98 mm, with a wettest year of 296 mm.
A good time to visit Saint Augustine
March is a good time to visit Saint Augustine, with days averaging 21.2°C and nights around 15.2°C (mean 18.2°C, cooler than Saint Augustine's yearly average) and higher rainfall. April and November are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 22.1°C | 18.2°C | 14.3°C | 27.8°C | 10.0°C | 52 mm | 74% | 2.4 m/s | 5.4 |
| 2024 | 22.3°C | 19.3°C | 16.3°C | 27.6°C | 10.4°C | 61 mm | 80% | 1.9 m/s | 4.9 |
| 2023 | 23.5°C | 20.2°C | 16.9°C | 28.4°C | 10.9°C | 40 mm | 75% | 2.4 m/s | 5.3 |
| 2022 | 22.9°C | 19.5°C | 16.0°C | 26.5°C | 7.5°C | 137 mm | 80% | 2.2 m/s | 5 |
| 2021 | 21.7°C | 18.8°C | 15.9°C | 28.8°C | 10.8°C | 48 mm | 79% | 2.3 m/s | 5 |
| 2020 🔥 | 25.0°C | 21.4°C | 17.8°C | 30.3°C | 9.4°C | 7 mm | 77% | 1.8 m/s | 5.4 |
| 2019 | 20.5°C | 17.8°C | 15.0°C | 26.1°C | 6.7°C | 82 mm | 78% | 2.4 m/s | 5 |
| 2018 | 19.7°C | 16.4°C | 13.1°C | 24.8°C | 8.4°C | 43 mm | 72% | 2.7 m/s | 5.5 |
| 2017 | 21.8°C | 18.8°C | 15.7°C | 28.4°C | 7.1°C | 27 mm | 71% | 2.7 m/s | 5.4 |
| 2016 | 22.5°C | 19.7°C | 16.9°C | 26.7°C | 9.9°C | 116 mm | 81% | 2.1 m/s | 4.8 |
| 2015 | 22.2°C | 19.1°C | 16.1°C | 25.5°C | 10.8°C | 42 mm | 84% | 1.9 m/s | 4.8 |
| 2014 | 19.7°C | 16.4°C | 13.1°C | 24.4°C | 7.5°C | 122 mm | 81% | 2.5 m/s | 4.6 |
| 2013 | 18.6°C | 15.2°C | 11.7°C | 23.9°C | 6.5°C | 44 mm | 68% | 3 m/s | 5.5 |
| 2012 | 23.8°C | 21.0°C | 18.1°C | 27.6°C | 11.4°C | 61 mm | 78% | 2.4 m/s | 5.1 |
| 2011 | 21.9°C | 18.6°C | 15.2°C | 26.8°C | 8.8°C | 103 mm | 77% | 2.4 m/s | 5.1 |
| 2010 ❄️ | 18.2°C | 15.1°C | 11.9°C | 22.0°C | 5.5°C | 169 mm | 78% | 2.8 m/s | 4.8 |
| 2009 | 21.2°C | 18.1°C | 14.9°C | 26.7°C | 7.0°C | 57 mm | 77% | 2.5 m/s | 5.2 |
| 2008 | 20.8°C | 17.8°C | 14.8°C | 24.7°C | 8.8°C | 90 mm | 77% | 2.7 m/s | 5.1 |
| 2007 | 21.2°C | 18.5°C | 15.8°C | 25.4°C | 9.4°C | 48 mm | 77% | 2.2 m/s | 5.3 |
| 2006 | 20.4°C | 17.4°C | 14.3°C | 24.8°C | 9.9°C | 12 mm | 74% | 2.5 m/s | 5.8 |
| 2005 | 19.9°C | 16.6°C | 13.4°C | 25.4°C | 6.8°C | 146 mm | 78% | 2.6 m/s | 4.5 |
| 2004 | 21.5°C | 18.8°C | 16.1°C | 24.6°C | 10.4°C | 36 mm | 74% | 2.6 m/s | 5.4 |
| 2003 | 22.3°C | 19.7°C | 17.2°C | 26.4°C | 8.3°C | 218 mm | 87% | 2 m/s | 4.1 |
| 2002 | 22.7°C | 19.4°C | 16.1°C | 28.4°C | 7.1°C | 64 mm | 79% | 2.5 m/s | 5.3 |
| 2001 | 20.5°C | 17.6°C | 14.7°C | 25.2°C | 8.8°C | 213 mm | 77% | 3.1 m/s | 4.5 |
| 2000 | 22.7°C | 19.6°C | 16.6°C | 25.8°C | 12.5°C | 115 mm | 76% | 2.7 m/s | 5.2 |
| 1999 | 20.9°C | 17.4°C | 14.0°C | 25.5°C | 8.5°C | 19 mm | 70% | 2.9 m/s | 5.5 |
| 1998 | 18.6°C | 15.8°C | 13.0°C | 23.9°C | 5.6°C | 101 mm | 80% | 2.7 m/s | 5.1 |
| 1997 | 23.4°C | 20.9°C | 18.4°C | 27.2°C | 14.8°C | 145 mm | 80% | 2.4 m/s | 4.7 |
| 1996 | 19.2°C | 16.1°C | 13.1°C | 24.6°C | 4.6°C | 150 mm | 75% | 3.3 m/s | 4.8 |
| 1995 | 21.2°C | 18.7°C | 16.3°C | 26.1°C | 11.0°C | 54 mm | 79% | 2.6 m/s | 4.6 |
| 1994 | 21.9°C | 18.7°C | 15.5°C | 27.3°C | 8.9°C | 73 mm | 77% | 2.8 m/s | 5.1 |
| 1993 | 19.7°C | 16.7°C | 13.8°C | 25.3°C | 2.3°C | 204 mm | 81% | 3.2 m/s | 4.4 |
| 1992 | 20.3°C | 17.3°C | 14.3°C | 24.1°C | 7.6°C | 106 mm | 75% | 2.5 m/s | 4.7 |
| 1991 | 20.7°C | 18.0°C | 15.2°C | 25.1°C | 9.7°C | 182 mm | 80% | 2.9 m/s | 4.7 |
| 1990 | 22.1°C | 19.5°C | 16.9°C | 26.0°C | 12.1°C | 78 mm | 78% | 2.4 m/s | 5.3 |
| 1989 | 22.0°C | 19.0°C | 16.1°C | 26.8°C | 9.0°C | 59 mm | 82% | 2.6 m/s | 4.7 |
| 1988 | 20.2°C | 17.3°C | 14.4°C | 23.8°C | 7.4°C | 115 mm | 78% | 2.9 m/s | 4.9 |
| 1987 | 19.7°C | 17.6°C | 15.4°C | 25.8°C | 9.8°C | 162 mm | 81% | 3.1 m/s | 4.2 |
| 1986 | 20.1°C | 17.4°C | 14.6°C | 25.4°C | 6.0°C | 118 mm | 80% | 3 m/s | 5 |
| 1985 | 23.1°C | 19.8°C | 16.5°C | 28.5°C | 11.2°C | 83 mm | 72% | 2.6 m/s | 5.1 |
| 1984 | 20.1°C | 17.2°C | 14.2°C | 25.1°C | 6.0°C | 105 mm | 77% | 2.7 m/s | 4.8 |
| 1983 🌧️ | 19.2°C | 16.0°C | 12.7°C | 23.1°C | 4.8°C | 296 mm | 81% | 3.2 m/s | — |
| 1982 | 22.0°C | 19.3°C | 16.5°C | 27.0°C | 8.0°C | 141 mm | 81% | 2.2 m/s | — |
| 1981 | 19.9°C | 16.8°C | 13.7°C | 25.3°C | 9.4°C | 65 mm | 69% | 2.9 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 21.2°C with lows near 15.2°C (mean 18.2°C), based on 45 years of NASA POWER data.
March averages 98 mm of rainfall in Saint Augustine, one of the drier months. The wettest on record was 296 mm in 1983.
The hottest March reached 30.3°C in 2020. The coldest dipped to 2.3°C in 1993.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.4°C. Daytime highs moved from 20.9°C to 22.5°C and overnight lows from 14.7°C to 15.9°C over the same span.
March is one of the cooler months of the year in Saint Augustine and one of the drier months, so plan for around 21.2°C daytime highs and 15.2°C at night.
Not quite — March is the 4th coolest month in Saint Augustine, averaging 18.2°C.
For March in Saint Augustine, pack light layers you can adjust through the day, with typical highs of 21.2°C and lows of 15.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 77% — quite humid.
Average wind speed in March is 2.6 m/s. The windiest March on record averaged 3.3 m/s (1996).
The wettest March on record was 1983 with 296 mm. On average, March sees 98 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 Saint Augustine 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.
