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

Monthly 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
January, the same as December, is another comfortable winter month in Saint Petersburg, Florida, with average temperature ranging between max 67.6°F (19.8°C) and min 55.2°F (12.9°C). With an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 55.2°F (12.9°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Saint Petersburg, is an agreeable month, with average temperature ranging between max 70.3°F (21.3°C) and min 57.9°F (14.4°C). In Saint Petersburg, Florida, the average high-temperature is relatively the same as in January - a pleasant 70.3°F (21.3°C). Weather in February »

March, the first month of the spring, in Saint Petersburg, is a warm month, with average temperature fluctuating between 61°F (16.1°C) and 73.6°F (23.1°C). In March, the average high-temperature is essentially the same as in February - a warm 73.6°F (23.1°C). Weather in March »

April, the same as March, is a moderately hot spring month in Saint Petersburg, Florida, with average temperature ranging between max 79.9°F (26.6°C) and min 67.5°F (19.7°C). In April, the average high-temperature marginally rises, from 73.6°F (23.1°C) in March, to a still warm 79.9°F (26.6°C). Weather in April »

The last month of the spring, May, is also a moderately hot month in Saint Petersburg, Florida, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 72.7°F (22.6°C). In Saint Petersburg, Florida, the average high-temperature is essentially the same as in April - a still moderately hot 84°F (28.9°C). Weather in May »

June, the first month of the summer, in Saint Petersburg, is a hot month, with average temperature fluctuating between 77.9°F (25.5°C) and 87.1°F (30.6°C). In June, the average high-temperature is practically the same as in May - a tropical 87.1°F (30.6°C). Weather in June »

July, like June, is another hot summer month in Saint Petersburg, Florida, with average temperature ranging between max 88°F (31.1°C) and min 79.3°F (26.3°C). In Saint Petersburg, the average high-temperature in July is essentially the same as in June - a still hot 88°F (31.1°C). Weather in July »

The last month of the summer, August, is also a hot month in Saint Petersburg, Florida, with temperature in the range of an average low of 79.5°F (26.4°C) and an average high of 88.7°F (31.5°C). August is the warmest month, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 79.5°F (26.4°C). The average heat index in August is evaluated at a torrid 104°F (40°C). Weather in August »

The first month of the autumn, September, is still a hot month in Saint Petersburg, Florida, with average temperature fluctuating between 87.3°F (30.7°C) and 77.2°F (25.1°C). In Saint Petersburg, Florida, the average high-temperature is relatively the same as in August - a still tropical 87.3°F (30.7°C). Weather in September »

October, like September, in Saint Petersburg, Florida, is a moderately hot autumn month, with average temperature varying between 82.2°F (27.9°C) and 71.8°F (22.1°C). In Saint Petersburg, the average high-temperature is practically the same as in September - a warm 82.2°F (27.9°C). Weather in October »

November, the last month of the autumn, in Saint Petersburg, is also a moderately hot month, with average temperature fluctuating between 75.6°F (24.2°C) and 63.7°F (17.6°C). In November, the average high-temperature marginally drops, from 82.2°F (27.9°C) in October, to a still warm 75.6°F (24.2°C). Weather in November »

The first month of the winter, December, is also an agreeable month in Saint Petersburg, Florida, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 59.9°F (15.5°C). In December, the average high-temperature is essentially the same as in November - an agreeable 71.4°F (21.9°C). Weather in December »

What is the coldest month in Saint Petersburg?

With an average high-temperature of 67.6°F (19.8°C) and an average low-temperature of 55.2°F (12.9°C), January is the coldest month in Saint Petersburg, Florida.

How many days does it rain in Saint Petersburg?

In Saint Petersburg, Florida, during the entire year, the rain falls for 172.1 days and collects up to 27.2" (691mm) of precipitation.

What month is the ocean coldest in Saint Petersburg?

The month with the coldest seawater in Saint Petersburg, Florida, is January, with an average ocean temperature of 64°F (17.8°C).

When is the lowest UV index in Saint Petersburg?

With an average maximum UV index of 4, January is the month with the lowest UV index in Saint Petersburg.

What is the driest month in Saint Petersburg?

February and November are months with the least rain when the rain falls for 7.6 days and typically aggregates up to 0.75" (19mm) of rain.

What is the least humid month in Saint Petersburg?

May is the least humid month in Saint Petersburg, Florida, with an average relative humidity of 71%.

What month has the most sunshine in Saint Petersburg?

May has the most sunshine of the year, with an average of 11.2h of sunshine.

When is the highest UV index in Saint Petersburg?

Months with the highest UV index in Saint Petersburg are May through September, with an average maximum UV index of 7.

When are the longest days in Saint Petersburg?

June has the longest days of the year, with an average of 13.9h of daylight.

What is the rainiest month in Saint Petersburg?

The month with the most rainfall in Saint Petersburg, Florida, is July when the rain falls for 26.2 days and typically aggregates up to 5.24" (133mm) of precipitation.

What is the warmest month in Saint Petersburg?

The warmest month is August, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 79.5°F (26.4°C).

What is the month with the warmest ocean in Saint Petersburg?

August is the month with the warmest seawater, with an average ocean temperature of 86.7°F (30.4°C).

What is the most humid month in Saint Petersburg?

The most humid month in Saint Petersburg is December, with an average relative humidity of 76%.

What is the month with the shortest days in Saint Petersburg?

With an average of 10.4h of daylight, December has the shortest days of the year in Saint Petersburg, Florida.

What is the month with the least sunshine in Saint Petersburg?

The month with the least sunshine is December, with an average of 6.6h of sunshine.
Average temperature - Saint Petersburg, FL
Average humidity - Saint Petersburg, FL
Average rainfall - Saint Petersburg, FL

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

Average rainfall days - Saint Petersburg, FL

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

Average sea temperature - Saint Petersburg, FL

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 / Average sunshine - Saint Petersburg, FL

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

The month with most sunshine is May (Average sunshine: 11.2h).
The month with least sunshine is December (Average sunshine: 6.6h).

Average UV index - Saint Petersburg, FL