April 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 April

Saint Petersburg, Florida, witnesses a noticeable transformation in its weather throughout April. Compared to March, the warming continues, evidenced by extended sunshine hours. Summing to the agreeable conditions, the sea temperature demonstrates a significant increment, heralding the beach season. Though the humidity metric remains stable, evaporation rates are likely to rise in stride with the temperature, subtly altering local vegetation. The exceptional element in April's weather concerns the rainfall, with a substantial rise to 1.22in, the first noteworthy surge of the year.

Temperature

With the start of April, the average high-temperature marginally shifts from March's 73.6°F (23.1°C) to a still warm 79.9°F (26.6°C). An average nighttime temperature of 67.5°F (19.7°C) is observed in Saint Petersburg during April.

Humidity

The average relative humidity in April in Saint Petersburg is 72%.

Rainfall

In Saint Petersburg, in April, during 11.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Saint Petersburg, there are 172.1 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Ocean temperature

In Saint Petersburg, in April, the average water temperature is 73°F (22.8°C).
Note: A swim in 73°F (22.8°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.

Daylight

The average length of the day in April in Saint Petersburg is 12h and 50min.
On the first day of the month, sunrise is at 7:19 am and sunset at 7:48 pm. On the last day of April, in Saint Petersburg, sunrise is at 6:51 am and sunset at 8:04 pm EDT.

Sunshine

In Saint Petersburg, the average sunshine in April is 9.6h.

UV index

In April, the average daily maximum UV index in Saint Petersburg is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during April leads to these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
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Frequently asked questions

What is the average April temperature in Saint Petersburg?

In Saint Petersburg, 79.9°F (26.6°C) is the average high-temperature and 67.5°F (19.7°C) is the average low-temperature during April.

What is the average humidity in April in Saint Petersburg?

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

How much does it rain in Saint Petersburg in April?

In Saint Petersburg, Florida, in April, during 11.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

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 Saint Petersburg, Florida, the average day length in April is 12h and 50min.

What time are sunrise and sunset in April in Saint Petersburg?

On the first day of April, sunrise is at 7:19 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:04 pm EDT.

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

In April, the average sunshine duration in Saint Petersburg, Florida, is 9.6h.

How high is the UV index in April in Saint Petersburg?

In April, the average daily maximum UV index in Saint Petersburg, Florida, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Saint Petersburg, FL

Average temperature in April - Saint Petersburg, FL
  • Average high temperature in April: 79.9°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 April: 67.5°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).

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Average pressure in April
Saint Petersburg, FL

Average pressure in April - Saint Petersburg, FL
  • Average pressure in April: 30.02"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).

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Average wind speed in April
Saint Petersburg, FL

Average wind speed in April - Saint Petersburg, FL
  • Average wind speed in April: 8.6mph

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).

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Average humidity in April
Saint Petersburg, FL

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

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

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Average rainfall in April
Saint Petersburg, FL

Average rainfall in April - Saint Petersburg, FL
  • Average rainfall in April: 1.22"

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

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Average rainfall days in April
Saint Petersburg, FL

Average rainfall days in April - Saint Petersburg, FL
  • Average rainfall days in April: 11.7 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).

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Average sea temperature in April
Saint Petersburg, FL

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).

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

Average daylight in April / Average sunshine in April - Saint Petersburg, FL
  • Average daylight in April: 12h and 5min

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 April: 9h 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).

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Average sunshine days in April
Saint Petersburg, FL

Average sunshine days in April - Saint Petersburg, FL
  • Average sunshine days in April: 16 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).

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Average UV index in April
Saint Petersburg, FL

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

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Average cloud cover in April
Saint Petersburg, FL

Average cloud cover in April - Saint Petersburg, FL
  • Average cloud cover in April: 23

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

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Average visibility in April
Saint Petersburg, FL

Average visibility in April - Saint Petersburg, FL
  • Average visibility in April: 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).

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Saint Petersburg, Florida, USA

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