March is one of the cooler months of the year in Jacksonville, with average highs near 23°C and lows around 10.7°C (mean 16.9°C). It is about average for rainfall, averaging 99 mm of rainfall and 77% relative humidity across the period.
March is one of the cooler months of the year in Jacksonville. Across 45 years of records, the warmest March in Jacksonville was 2020 — when the month averaged 21.2°C — while the coldest was 2013 at 12.4°C. Typical March days reach 23°C with nights near 10.7°C. The long-term trend is warming, about 0.5°C per decade.
March is about average for rainfall in Jacksonville, averaging 99 mm of rainfall. The wettest March on record was 1984 with 210 mm, while the driest was 2006 at 15 mm.
Relative humidity in Jacksonville during March averages 77%. The most humid March was 2003 at 86%, and the least humid was 1999 at 66%.
March receives about 4.9 kWh/m²/day of solar energy in Jacksonville. The sunniest March was 2006 at 5.5 kWh/m²/day, and the cloudiest was 2003 at 3.9.
Average wind speed in Jacksonville during March is 0.7 m/s. The windiest Marchs were 1996, 2001 and 2018, among others at 0.8 m/s, while the calmest were 2016, 2020 and 2024, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.2°C | 16.3°C | 17.0°C | 16.7°C | 18.7°C | +2.5°C |
| Avg High | 22.1°C | 22.1°C | 23.3°C | 23.0°C | 25.0°C | +2.9°C |
| Avg Low | 10.2°C | 10.4°C | 10.8°C | 10.4°C | 12.5°C | +2.3°C |
| Avg Rain | 127 mm | 106 mm | 97 mm | 70 mm | 98 mm | -28 mm |
March temperatures in Jacksonville have risen by about 1.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -4°C (1996) to a record high of 35°C (2020).
Rainfall in March is about average for rainfall, averaging 99 mm, with a wettest year of 210 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.6°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A good time to visit Jacksonville
March is a good time to visit Jacksonville, with days averaging 23°C and nights around 10.7°C (mean 16.9°C, cooler than Jacksonville's yearly average) and higher rainfall. October and April 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 | 23.8°C | 17.0°C | 10.2°C | 30.0°C | 4.5°C | 116 mm | 75% | 0.7 m/s | 5.2 |
| 2024 | 23.6°C | 18.1°C | 12.7°C | 29.1°C | 3.7°C | 120 mm | 82% | 0.6 m/s | 4.7 |
| 2023 | 25.7°C | 19.2°C | 12.7°C | 31.9°C | 2.5°C | 76 mm | 73% | 0.7 m/s | 5.1 |
| 2022 | 25.2°C | 18.7°C | 12.2°C | 30.7°C | -1.4°C | 168 mm | 78% | 0.7 m/s | 4.9 |
| 2021 | 23.9°C | 18.1°C | 12.3°C | 32.2°C | 3.7°C | 67 mm | 80% | 0.7 m/s | 4.8 |
| 2020 🔥 | 27.6°C | 21.2°C | 14.7°C | 35.0°C | 2.8°C | 44 mm | 76% | 0.6 m/s | 5.2 |
| 2019 | 22.5°C | 16.5°C | 10.6°C | 28.3°C | -0.2°C | 51 mm | 78% | 0.7 m/s | 5 |
| 2018 | 22.3°C | 15.6°C | 8.9°C | 28.5°C | 0.7°C | 56 mm | 67% | 0.8 m/s | 5.3 |
| 2017 | 24.7°C | 18.0°C | 11.3°C | 32.8°C | -1.8°C | 23 mm | 66% | 0.7 m/s | 5.3 |
| 2016 | 25.4°C | 19.3°C | 13.2°C | 31.0°C | 3.7°C | 59 mm | 77% | 0.6 m/s | 5.1 |
| 2015 | 24.4°C | 18.5°C | 12.6°C | 29.2°C | 3.2°C | 51 mm | 83% | 0.6 m/s | 4.4 |
| 2014 | 20.9°C | 14.8°C | 8.7°C | 26.7°C | 1.2°C | 139 mm | 81% | 0.7 m/s | 4.5 |
| 2013 ❄️ | 19.2°C | 12.4°C | 5.6°C | 26.9°C | -2.2°C | 86 mm | 73% | 0.7 m/s | 5.3 |
| 2012 | 27.1°C | 20.9°C | 14.7°C | 30.9°C | 4.5°C | 94 mm | 74% | 0.7 m/s | 5.1 |
| 2011 | 24.3°C | 17.7°C | 11.0°C | 30.4°C | 2.0°C | 68 mm | 76% | 0.7 m/s | 5 |
| 2010 | 19.6°C | 13.4°C | 7.2°C | 24.6°C | -1.6°C | 69 mm | 79% | 0.7 m/s | 4.8 |
| 2009 | 23.8°C | 17.2°C | 10.5°C | 29.6°C | -1.4°C | 97 mm | 74% | 0.7 m/s | 5.1 |
| 2008 | 22.2°C | 15.8°C | 9.4°C | 28.0°C | 0.4°C | 91 mm | 79% | 0.7 m/s | 5.1 |
| 2007 | 24.1°C | 17.7°C | 11.4°C | 29.8°C | 0.7°C | 49 mm | 75% | 0.7 m/s | 5.4 |
| 2006 | 22.1°C | 15.9°C | 9.6°C | 28.1°C | 2.3°C | 15 mm | 75% | 0.7 m/s | 5.5 |
| 2005 | 20.7°C | 14.8°C | 8.8°C | 26.6°C | -1.0°C | 123 mm | 80% | 0.7 m/s | 4.5 |
| 2004 | 24.0°C | 17.6°C | 11.1°C | 29.4°C | 4.4°C | 36 mm | 71% | 0.7 m/s | 5.4 |
| 2003 | 23.7°C | 18.6°C | 13.5°C | 29.2°C | 3.0°C | 199 mm | 86% | 0.6 m/s | 3.9 |
| 2002 | 24.4°C | 17.6°C | 10.8°C | 31.1°C | -3.6°C | 125 mm | 78% | 0.7 m/s | 5.3 |
| 2001 | 21.7°C | 16.0°C | 10.3°C | 28.6°C | 2.0°C | 157 mm | 75% | 0.8 m/s | 4.3 |
| 2000 | 25.9°C | 19.1°C | 12.2°C | 30.8°C | 3.8°C | 76 mm | 72% | 0.7 m/s | 5.2 |
| 1999 | 23.4°C | 16.0°C | 8.6°C | 30.1°C | 2.2°C | 25 mm | 66% | 0.7 m/s | 5.4 |
| 1998 | 20.1°C | 14.4°C | 8.6°C | 27.4°C | -2.2°C | 100 mm | 82% | 0.7 m/s | 5.1 |
| 1997 | 25.9°C | 20.3°C | 14.8°C | 29.6°C | 5.7°C | 58 mm | 77% | 0.7 m/s | 4.7 |
| 1996 | 19.4°C | 13.4°C | 7.5°C | 26.0°C | -4.0°C | 193 mm | 77% | 0.8 m/s | 4.7 |
| 1995 | 22.3°C | 17.1°C | 11.8°C | 26.9°C | 2.1°C | 98 mm | 83% | 0.7 m/s | 4.6 |
| 1994 | 22.6°C | 16.7°C | 10.8°C | 29.7°C | 2.3°C | 90 mm | 81% | 0.7 m/s | 5.2 |
| 1993 | 20.2°C | 14.7°C | 9.2°C | 28.1°C | -3.9°C | 131 mm | 82% | 0.8 m/s | 4.3 |
| 1992 | 21.2°C | 15.4°C | 9.6°C | 26.9°C | 2.2°C | 108 mm | 77% | 0.7 m/s | 4.5 |
| 1991 | 21.7°C | 16.4°C | 11.2°C | 26.8°C | 1.4°C | 205 mm | 84% | 0.8 m/s | 4.6 |
| 1990 | 24.3°C | 18.3°C | 12.3°C | 28.8°C | 3.6°C | 56 mm | 77% | 0.7 m/s | 5.1 |
| 1989 | 24.7°C | 18.4°C | 12.1°C | 30.5°C | 1.5°C | 78 mm | 76% | 0.7 m/s | 4.5 |
| 1988 | 20.9°C | 15.0°C | 9.1°C | 25.3°C | -1.4°C | 88 mm | 82% | 0.7 m/s | 4.7 |
| 1987 | 20.6°C | 15.6°C | 10.6°C | 27.6°C | 2.6°C | 151 mm | 85% | 0.8 m/s | 4.3 |
| 1986 | 20.9°C | 15.0°C | 9.1°C | 27.0°C | -2.8°C | 115 mm | 82% | 0.7 m/s | 5.1 |
| 1985 | 25.8°C | 18.9°C | 12.0°C | 31.2°C | 1.3°C | 52 mm | 68% | 0.7 m/s | 5 |
| 1984 🌧️ | 21.3°C | 15.3°C | 9.2°C | 28.3°C | -2.6°C | 210 mm | 80% | 0.7 m/s | 4.8 |
| 1983 | 20.1°C | 14.5°C | 8.8°C | 26.8°C | 0.7°C | 204 mm | 83% | 0.8 m/s | — |
| 1982 | 24.1°C | 18.2°C | 12.4°C | 30.3°C | 1.6°C | 116 mm | 79% | 0.6 m/s | — |
| 1981 | 20.8°C | 14.6°C | 8.3°C | 27.7°C | 2.1°C | 129 mm | 70% | 0.7 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 23°C with lows near 10.7°C (mean 16.9°C), based on 45 years of NASA POWER data.
March averages 99 mm of rainfall in Jacksonville, about average for rainfall. The wettest on record was 210 mm in 1984.
The hottest March reached 35°C in 2020. The coldest dipped to -4°C in 1996.
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 22.4°C to 24.4°C and overnight lows from 10.1°C to 12°C over the same span.
March is one of the cooler months of the year in Jacksonville and about average for rainfall, so plan for around 23°C daytime highs and 10.7°C at night.
Not quite — March is the 4th coolest month in Jacksonville, averaging 16.9°C.
For March in Jacksonville, pack light layers you can adjust through the day, with typical highs of 23°C and lows of 10.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 77% — quite humid.
Average wind speed in March is 0.7 m/s. The windiest March on record averaged 0.8 m/s (1983).
The wettest March on record was 1984 with 210 mm. On average, March sees 99 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 Jacksonville 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.
