March weather forecast
Saint Petersburg, FL

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Beautiful clear waterfront, scenic palm trees, and a straight road to St. Petersburg in Florida
Beautiful clear waterfront, scenic palm trees, and a straight road to St. Petersburg in Florida

Weather in March

March manifests an unmistakable shift towards warmer times in Saint Petersburg, Florida. The rise in temperature, compared to February, ushers in a discernible change, further prolonged daylight and expanded sunshine hours support the welcome of spring. The trend of escalating humidity continues, adding a newfound richness to the air. A crucial feature of March is a slight surge in rainfall from the previous month, registering 0.91in of precipitation. Chancing upon a windy day becomes likelier, due to an elevation in maximum wind speed, setting this month apart.

Temperature

Saint Petersburg, Florida, ushers in March with an average high-temperature of a warm 73.6°F (23.1°C), showing a close resemblance to the previous month. In March, Saint Petersburg encounters an average low-temperature of 61°F (16.1°C) during the night.

Humidity

In Saint Petersburg, the average relative humidity in March is 72%.

Rainfall

In Saint Petersburg, in March, during 8.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 172.1 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Ocean temperature

In Saint Petersburg, in March, the average water temperature is 66.7°F (19.3°C).
Note: For most individuals, swimming in 66.7°F (19.3°C) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in March is 12h and 1min.
On the first day of March, sunrise is at 6:54 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:20 am and sunset at 7:47 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 8.7h.

UV index

The average daily maximum UV index in March is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in March transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Saint Petersburg in March?

The average high-temperature and low-temperature during March are 73.6°F (23.1°C) and 61°F (16.1°C) respectively.

What is the average humidity in March?

In March, the average relative humidity is 72%.

How many days does it rain in March?

In March, the rain falls for 8.6 days. Throughout March, 0.91" (23mm) of precipitation is accumulated.

What is the ocean temperature in March?

In Saint Petersburg, the average seawater temperature in March is 66.7°F (19.3°C). For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Saint Petersburg have in March?

In Saint Petersburg, the average day length in March is 12h and 1min.

When is the sunrise / sunset in March in Saint Petersburg?

In March, on the first day of the month, sunrise is at 6:54 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:20 am and sunset at 7:47 pm EDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Saint Petersburg have in March?

In March, the average sunshine duration is 8.7h.

How high is the UV index in March?

In March, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Saint Petersburg, FL

Average temperature in March - Saint Petersburg, FL
  • Average high temperature in March: 73.6°F

The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (67.6°F).

  • Average low temperature in March: 61°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (55.2°F).

Average pressure in March
Saint Petersburg, FL

Average pressure in March - Saint Petersburg, FL
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in March
Saint Petersburg, FL

Average wind speed in March - Saint Petersburg, FL
  • Average wind speed in March: 8.9mph

The windiest months (with the highest average wind speed) are January, March, October and November (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in March
Saint Petersburg, FL

Average humidity in March - Saint Petersburg, FL
  • Average humidity in March: 72%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is May (71%).

Average rainfall in March
Saint Petersburg, FL

Average rainfall in March - Saint Petersburg, FL
  • Average rainfall in March: 0.91"

The wettest month (with the highest rainfall) is July (5.24").
The driest months (with the least rainfall) are February and November (0.75").

Average rainfall days in March
Saint Petersburg, FL

Average rainfall days in March - Saint Petersburg, FL
  • Average rainfall days in March: 8.6 days

The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is November (7 days).

Average sea temperature in March
Saint Petersburg, FL

Average sea temperature in March - Saint Petersburg, FL
  • Average sea temperature in March: 66.7°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

Average daylight in March /
Average sunshine in March
Saint Petersburg, FL

Average daylight in March / Average sunshine in March - Saint Petersburg, FL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in March
Saint Petersburg, FL

Average sunshine days in March - Saint Petersburg, FL
  • Average sunshine days in March: 19.9 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is July (3.1 days).

Average UV index in March
Saint Petersburg, FL

Average UV index in March - Saint Petersburg, FL
  • Average UV index in March: 6

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in March
Saint Petersburg, FL

Average cloud cover in March - Saint Petersburg, FL
  • Average cloud cover in March: 25

The month with the most cloud cover is December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 21).

Average visibility in March
Saint Petersburg, FL

Average visibility in March - Saint Petersburg, FL
  • Average visibility in March: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Saint Petersburg, Florida, USA

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