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

April 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
April, like March, in Saint Petersburg, Florida, is a moderately hot spring month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64°F (17.8°C).

Temperature

In Saint Petersburg, the average high-temperature is relatively the same as in March - a still moderately hot 81°F (27.2°C). The average low-temperature, in April, is 64°F (17.8°C).

Rainfall

April is the month with the least rainfall in Saint Petersburg, Florida. Rain falls for 4 days and accumulates 1.6" (40.6mm) of precipitation.

Ocean temperature

In April, the average ocean temperature in Saint Petersburg is 73°F (22.8°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73°F (22.8°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Saint Petersburg, Florida, the average length of the day is 12.8h.

Sunshine

Months with the most sunshine in Saint Petersburg, Florida, are April and May, with an average of 10h of sunshine.

UV index

In April, the average daily maximum UV index is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 10 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in April in Saint Petersburg?

The average high-temperature, in April, is 81°F (27.2°C), while the average low-temperature is 64°F (17.8°C).

How many days does it rain in April in Saint Petersburg?

In Saint Petersburg, during April, the rain falls for 4 days and regularly aggregates up to 1.6" (40.6mm) of precipitation.

What is the driest month in Saint Petersburg?

The month with the least rainfall is April when the rain falls for 4 days and typically collects 1.6" (40.6mm) of precipitation.

What is the ocean temperature in April in Saint Petersburg?

In April, the average ocean temperature in Saint Petersburg is 73°F (22.8°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 73°F (22.8°C) water may be enjoyable.

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

In April, the average length of the day in Saint Petersburg is 12.8h.

What are the months with the most sunshine in Saint Petersburg?

Months with the most sunshine are April and May, with an average of 10h of sunshine.

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

In Saint Petersburg, the average sunshine in April is 10h.

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

In Saint Petersburg, the average daily maximum UV index in April is 10. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Saint Petersburg, FL
  • Average high temperature in April: 81°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 April: 64°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 April - Saint Petersburg, FL
  • Average rainfall in April: 1.6"

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 April - Saint Petersburg, FL
  • Average rainfall days in April: 4 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 April - Saint Petersburg, FL
  • Average sea temperature in April: 73°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 April / Average sunshine in April - Saint Petersburg, FL
  • Average daylight in April: 12.8h

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 April: 10h

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 April - Saint Petersburg, FL
  • Average UV index in April: 10

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).