Saint Petersburg
Florida, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Saint Petersburg, FL

Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
Scenic palm trees and a straight road to St. Petersburg in Florida, a beautiful clear waterfront, on a hot and sunny day with cloudy sky
March, the first month of the spring, in Saint Petersburg, is a warm month, with average temperature fluctuating between 59°F (15°C) and 75.9°F (24.4°C).

Temperature

In March, the average high-temperature is practically the same as in February - a warm 75.9°F (24.4°C). In March, in Saint Petersburg, the average low-temperature is 59°F (15°C).

Rainfall

In Saint Petersburg, in March, it is raining for 6 days, with typically 3.4" (86.4mm) of accumulated precipitation. Throughout the year, there are 105 rainfall days, and 45.9" (1165.8mm) of precipitation is accumulated.

Ocean temperature

In Saint Petersburg, Florida, the average seawater temperature is 66.7°F (19.3°C).
Note: For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Saint Petersburg is 12h.

Sunshine

The average sunshine in March is 9h.

UV index

In Saint Petersburg, the average daily maximum UV index in March is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 9 transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in March in Saint Petersburg?

In March, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 59°F (15°C).

How much does it rain in Saint Petersburg in March?

In Saint Petersburg, in March, during 6 rainfall days, 3.4" (86.4mm) of precipitation is typically accumulated.

What is the ocean temperature in March in Saint Petersburg?

In Saint Petersburg, Florida, the average seawater temperature in March is 66.7°F (19.3°C). For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in March in Saint Petersburg?

The average length of the day in March is 12h.

How long on average sun shines in March in Saint Petersburg?

In March, the average sunshine in Saint Petersburg, Florida, is 9h.

What is the UV index intensity in March in Saint Petersburg?

The average daily maximum UV index in March in Saint Petersburg is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in March - Saint Petersburg, FL
  • Average high temperature in March: 76°F

Warmest months (with the highest average high temperature) are July and August (90°F).
The month with the lowest average high temperature is January (70°F).

  • Average low temperature in March: 59°F

Months with the highest average low temperature are July and August (76°F).
The coldest month (with the lowest average low temperature) is January (53°F).

Average rainfall in March - Saint Petersburg, FL
  • Average rainfall in March: 3.4"

The wettest month (with the highest rainfall) is August (7.8").
The driest month (with the lowest rainfall) is April (1.6").

Average rainfall days in March - Saint Petersburg, FL
  • Average rainfall days in March: 6 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

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: 12h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in March: 9h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in March - Saint Petersburg, FL
  • Average UV index in March: 9

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).