Port St. Lucie, FL weather in March
Port St. Lucie is mild and often humid in March, with some rain: highs average 77°F and nights drop to about 59°F. There are about 7 days with rain. A good month for most outdoor plans.
- Normal high
- 77°F
- Normal low
- 59°F
- Wet days
- 7
- 3.0 in total
- Muggy days
- 10
- dew point 65°F+
How March changes from start to finish
| March 1 | March 31 | |
|---|---|---|
| Normal high | 76°F | 79°F |
| Normal low | 57°F | 61°F |
| Chance of a wet day | 22% | 25% |
| Sunrise / sunset | 6:45 am / 6:21 pm | 7:12 am / 7:38 pm |
| Daylight | 11.6 h | 12.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical March day
- 6 am65°Fdew point 59°F
- 9 am72°Fdew point 60°F
- Noon77°Fdew point 59°F
- 3 pm77°Fdew point 60°F
- 6 pm74°Fdew point 60°F
- 9 pm70°Fdew point 60°F
NOAA hourly normals (local standard time) from West Palm Beach Intl Airport (45 mi away); average wind 11 mph; clear or few clouds in 53% of daytime hours, mostly cloudy or overcast in 29%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph7 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per March, counted from daily records for each year 1991-2020.
Rain in March
Normal precipitation is 3.0 in; a dry March brings about 1.1 in and a wet one about 4.0 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How March varies from year to year
- Warmest March, 1991-20202003: average high 84°F
- Coolest March2010: average high 71°F
- Wettest March1996: 12.5 in
- Driest March2020: no measurable precipitation
- Highest reading92°F (March 6, 2020)
- Lowest reading30°F (March 4, 2010)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
March compared with February and April
| February | March | April | |
|---|---|---|---|
| Normal high | 74°F | 77°F | 81°F |
| Normal low | 55°F | 59°F | 64°F |
| Wet days | 7 | 7 | 7 |
| Comfortable days | 10 | 11 | 6 |
| Daylight | 11.2 h | 12.0 h | 12.8 h |
Highs change by +3°F from February and +4°F into April.
Nearby alternatives in March
- Warmer: Key Largo, FL153 mi · high 83°F · 7 wet days
How Port St. Lucie ranks in March
- Normal high33rd warmest of 378 cities; 15th of 23 in Florida
- Wet days102nd driest of 378
- Comfortable days147th most of 339
Heating and cooling
March has 52 heating degree days and 137 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Port St. Lucie in March?
The normal high is 77°F and the normal low is 59°F. From 1991 to 2020 the hottest March reading was 92°F (March 6, 2020).
Does it rain a lot in Port St. Lucie in March?
About 7 days in March have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest March in 1991-2020 was in 1996 (12.5 in); the driest was in 2020, with no measurable precipitation.
Is March a good time to visit Port St. Lucie?
March ranks 1st of 12 months on our comfort score for Port St. Lucie (63 out of 100). It has about 11 comfortable days and about 1 day at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Ft Pierce (USC00083207), 10 mi N of the city center, 25 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Stuart (USC00088620), 9.9 mi SE of the city center, 13 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: West Palm Beach Intl Airport (USW00012844), 45 mi SSE of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Melbourne Intl Airport (USW00012838), 58 mi NNW of the city center, 22 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Palm Beach International Airport (722030-12844), 45 mi SSE of the city center, 11 ft . Hourly observations, 1991-2020.