Climate averages 1991–2020
Port Saint Lucie weather
in March.
A warm, moderately wet month: the joint 8th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Port Saint Lucie: daytime highs average 25.1°C and nights cool to about 17.2°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 57 mm of rain on roughly 7 days, which makes March a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average March day.
The nearest other city in this atlas is West Palm Beach (71 km away). In March its highs average 24.9°C, about as warm as Port Saint Lucie, with 66 mm of rain.
Among the 498 cities listed in the United States, Port Saint Lucie ranks 21st of 498 for the warmest March highs and joint 134th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Port Saint Lucie is 10.1°C warmer than that mean.
From March to April, average highs rise by 2.2°C to 27.2°C, and monthly rainfall falls from 57 mm to 56 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Port Saint Lucie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.1°C14.8°C | 14.8°C | 51 | 7.0 | 10.611 h |
| February | 23.5°C15.7°C | 15.7°C | 46 | 6.5 | 11.211 h |
| March, selected | 25.1°C17.2°C | 17.2°C | 57 | 7.0 | 12.012 h |
| April | 27.2°C19.4°C | 19.4°C | 56 | 7.1 | 12.813 h |
| May | 29.2°C21.8°C | 21.8°C | 74 | 9.9 | 13.513 h |
| June | 30.3°C23.9°C | 23.9°C | 121 | 17.6 | 13.814 h |
| July | 31.0°C24.7°C | 24.7°C | 92 | 18.1 | 13.714 h |
| August | 30.9°C24.9°C | 24.9°C | 123 | 21.0 | 13.113 h |
| September | 29.6°C24.3°C | 24.3°C | 139 | 19.7 | 12.312 h |
| October | 27.7°C22.2°C | 22.2°C | 102 | 12.2 | 11.512 h |
| November | 25.1°C19.1°C | 19.1°C | 55 | 8.7 | 10.811 h |
| December | 23.2°C16.6°C | 16.6°C | 41 | 7.3 | 10.510 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- West Palm Beach in MarchUnited States · 71 kmHigh 24.9°C · Low 18.1°C · 66 mm rain
- Palm Bay in MarchUnited States · 86 kmHigh 24.0°C · Low 16.9°C · 57 mm rain
- Boynton Beach in MarchUnited States · 90 kmHigh 25.2°C · Low 18.1°C · 64 mm rain
- Melbourne, United States in MarchUnited States · 91 kmHigh 23.7°C · Low 16.8°C · 57 mm rain
- Boca Raton in MarchUnited States · 107 kmHigh 25.3°C · Low 18.1°C · 58 mm rain
- Deerfield Beach in MarchUnited States · 111 kmHigh 25.4°C · Low 18.1°C · 58 mm rain
- Coral Springs in MarchUnited States · 114 kmHigh 26.1°C · Low 17.6°C · 54 mm rain
- Pompano Beach in MarchUnited States · 120 kmHigh 25.3°C · Low 18.6°C · 58 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Port Saint Lucie) is explained once on the Port Saint Lucie year overview and on the Sources, method and limits page.