St. Petersburg weather in March: St. Petersburg, Florida: normal highs, lows, rain and records for March

St. Petersburg in March has a normal high of 77°F and a normal low of 59°F, a daily mean of 68°F, rising from 75°F on the 1st to 79°F by the 31st. Measurable precipitation falls on 6 days in a normal March, 2.43 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 25°C and low of 15°C, 62 mm of precipitation in March.

  • NOAA stationSt Petersburg International Airport
  • Station IDUSW00012873
  • Location27.91°N 82.69°W
  • Elevation11 ft (3 m)
  • From the center11 miles
  • Population267,102
  1. Jan 71° 53°
  2. Feb 73° 55°
  3. Mar 77° 59°
  4. Apr 82° 64°
  5. May 87° 70°
  6. Jun 90° 75°
  7. Jul 90° 76°
  8. Aug 91° 76°
  9. Sep 89° 75°
  10. Oct 84° 70°
  11. Nov 77° 61°
  12. Dec 73° 56°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is St. Petersburg in March?

The normal high is 77°F and the normal low 59°F, for a daily mean of 68.1°F. March is 3.9°F warmer than February and 4.9°F cooler than April. March is the 9th warmest month of the year in St. Petersburg and the 10th wettest. Across the month the normal high rises 4°F, from 75°F on March 1 to 79°F on March 31. From one year to the next March's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 65°F and 71°F.

St. Petersburg in March, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 22%).

Normal high and low on five days of March, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
March 175°F57°F22%11%
March 876°F58°F21%10%
March 1577°F59°F20%11%
March 2278°F60°F20%11%
March 3179°F61°F20%11%
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
St. Petersburg: NOAA 1991-2020 daily normals for each day of March
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
March 175°F57°F22%11%11 h 30 min
March 275°F57°F22%11%11 h 40 min
March 375°F58°F21%11%11 h 40 min
March 476°F58°F21%11%11 h 40 min
March 576°F58°F21%10%11 h 40 min
March 676°F58°F21%10%11 h 40 min
March 776°F58°F21%10%11 h 40 min
March 876°F58°F21%10%11 h 50 min
March 976°F58°F20%10%11 h 50 min
March 1076°F58°F20%10%11 h 50 min
March 1176°F59°F20%10%11 h 50 min
March 1277°F59°F20%11%11 h 50 min
March 1377°F59°F20%11%11 h 50 min
March 1477°F59°F20%11%12 h
March 1577°F59°F20%11%12 h
March 1677°F59°F20%11%12 h
March 1777°F59°F20%11%12 h
March 1877°F59°F20%11%12 h
March 1977°F60°F20%11%12 h
March 2077°F60°F20%11%12 h 10 min
March 2178°F60°F20%11%12 h 10 min
March 2278°F60°F20%11%12 h 10 min
March 2378°F60°F20%11%12 h 10 min
March 2478°F60°F20%11%12 h 10 min
March 2578°F60°F20%11%12 h 10 min
March 2678°F61°F20%11%12 h 20 min
March 2778°F61°F20%11%12 h 20 min
March 2879°F61°F20%11%12 h 20 min
March 2979°F61°F20%11%12 h 20 min
March 3079°F61°F20%11%12 h 20 min
March 3179°F61°F20%11%12 h 20 min
Normal high
77°FMarch average
Normal low
59°FMarch average
Precipitation
2.43 inmonth total
Days with precipitation
60.01 inch or more
Daylight
11 h 30 min to 12 h 20 minMarch 1 to March 31
Days at 70°F or more
27
Days at 80°F or more
15
Sunshine
85%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012873; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in St. Petersburg in March?

On a given March day the chance of 0.01 inch or more is 20% on average, highest around March 1 (22%). In all, 2.43 in falls on 6 days of a normal March, 1 of them with an inch or more.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012873.

How humid and windy is St. Petersburg in March?

At 3 p.m. the normal temperature is 78°F with 51% relative humidity and a dew point of 58°F; at 6 a.m. it is 65°F with 84% humidity. The wind averages 9.4 mph, most often from the west-southwest in the afternoon.

A normal March day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.65°F60°F84%7.5 mph73%
9 a.m.70°F61°F71%10.3 mph66%
noon76°F59°F55%11.6 mph66%
3 p.m.78°F58°F51%12.0 mph68%
6 p.m.74°F59°F60%11.2 mph76%
9 p.m.69°F61°F75%7.9 mph79%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00012873. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for March in St. Petersburg?

The warmest March temperature on this station's record (since 1998) is 91°F, on March 28, 2020; the coldest is 38°F, on March 5, 2002. The wettest March brought 9.61 in (2011).

The March mean against the 1991-2020 normal of 68.1°F: 2021 70.9°F (+2.8), 2023 71.6°F (+3.5), 2024 71.2°F (+3.1), 2025 69.3°F (+1.2), 2026 73.0°F (+4.9). 5 of 5 ran warmer than normal.

St. Petersburg: March in recent years against the 1991-2020 normal
MarchMeanAgainst normalPrecip.
202170.9°F+2.8°F1.52 in
202371.6°F+3.5°F0.38 in
202471.2°F+3.1°F2.71 in
202569.3°F+1.2°F1.64 in
202673.0°F+4.9°F1.75 in

Source: records: ACIS, station USW00012873; recent months: ACIS, station USW00012873. Records and recent months use complete months only.

How does March in St. Petersburg compare across Florida?

Across the 106 places PlainClimate covers in Florida, March normal highs run from 70°F in Niceville to 83°F in Everglades; St. Petersburg's is 77°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

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