Port Saint Lucie
Florida, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Port Saint Lucie, FL

A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida, on a beautiful sunny day
A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida, on a beautiful sunny day
January, the same as December, in Port Saint Lucie, Florida, is another pleasant winter month, with average temperature varying between 59.5°F (15.3°C) and 71.2°F (21.8°C). January is the coldest month, with an average high-temperature of 71.2°F (21.8°C) and an average low-temperature of 59.5°F (15.3°C). Weather in January »

The last month of the winter, February, is a warm month in Port Saint Lucie, Florida, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 73.9°F (23.3°C). In February, the average high-temperature is almost the same as in January - a warm 73.9°F (23.3°C). Weather in February »

March, the first month of the spring, in Port Saint Lucie, is also a moderately hot month, with average temperature varying between 75.7°F (24.3°C) and 64°F (17.8°C). In Port Saint Lucie, the average high-temperature in March is almost the same as in February - a still warm 75.7°F (24.3°C). Weather in March »

April, the same as March, is another warm spring month in Port Saint Lucie, Florida, with average temperature ranging between min 69.4°F (20.8°C) and max 80.2°F (26.8°C). In April, the average high-temperature is practically the same as in March - a still moderately hot 80.2°F (26.8°C). Weather in April »

The last month of the spring, May, is another warm month in Port Saint Lucie, Florida, with average temperature varying between 73.2°F (22.9°C) and 82.9°F (28.3°C). In Port Saint Lucie, the average high-temperature is essentially the same as in April - a still moderately hot 82.9°F (28.3°C). Weather in May »

June, the first month of the summer, in Port Saint Lucie, is a tropical month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 76.3°F (24.6°C). In Port Saint Lucie, the average high-temperature is practically the same as in May - a hot 86.2°F (30.1°C). Weather in June »

July, like June, is another tropical summer month in Port Saint Lucie, Florida, with average temperature ranging between min 78.1°F (25.6°C) and max 87.4°F (30.8°C). In Port Saint Lucie, the average high-temperature in July is relatively the same as in June - a still hot 87.4°F (30.8°C). Weather in July »

The last month of the summer, August, is also a hot month in Port Saint Lucie, Florida, with average temperature fluctuating between 78.4°F (25.8°C) and 87.6°F (30.9°C). The warmest month is August, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 78.4°F (25.8°C). In August, the average heat index is calculated to a torrid 103.8°F (39.9°C). Weather in August »

September, the first month of the autumn, in Port Saint Lucie, is also a moderately hot month, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 77.4°F (25.2°C). In September, the average high-temperature is practically the same as in August - a moderately hot 85.8°F (29.9°C). Weather in September »

October, like September, in Port Saint Lucie, Florida, is a moderately hot autumn month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 73.6°F (23.1°C). In Port Saint Lucie, the average high-temperature is relatively the same as in September - a still warm 82.2°F (27.9°C). Weather in October »

November, the last month of the autumn, in Port Saint Lucie, is another warm month, with temperature in the range of an average low of 67.8°F (19.9°C) and an average high of 77.2°F (25.1°C). In November, the average high-temperature is relatively the same as in October - a still moderately hot 77.2°F (25.1°C). Weather in November »

The first month of the winter, December, is still a warm month in Port Saint Lucie, Florida, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 63.9°F (17.7°C). In Port Saint Lucie, the average high-temperature is almost the same as in November - a still moderately hot 74.3°F (23.5°C). Weather in December »

What is the coldest month in Port Saint Lucie?

With an average high-temperature of 71.2°F (21.8°C) and an average low-temperature of 59.5°F (15.3°C), January is the coldest month.

How much does it rain in Port Saint Lucie?

In Port Saint Lucie, Florida, during the entire year, the rain falls for 181.5 days and collects up to 18.11" (460mm) of precipitation.

What is the driest month in Port Saint Lucie?

The month with the least rainfall in Port Saint Lucie is January when the rain falls for 8.2 days and typically collects 0.55" (14mm) of precipitation.

What are the months with the coldest ocean in Port Saint Lucie?

January and February, with an average ocean temperature of 73.4°F (23°C), are months with the coldest seawater in Port Saint Lucie, Florida.

What is the month with the least sunshine in Port Saint Lucie?

Months with the least sunshine in Port Saint Lucie are January and December, with an average of 6.1h of sunshine.

When is the lowest UV index in Port Saint Lucie?

Months with the lowest UV index are January, February and December, with an average maximum UV index of 5.

What is the least humid month in Port Saint Lucie?

With an average relative humidity of 71%, March is the least humid month.

When is the highest UV index in Port Saint Lucie?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Port Saint Lucie.

What are the most humid months in Port Saint Lucie?

Months with the highest humidity are June through September, with an average relative humidity of 78%.

When are the longest days in Port Saint Lucie?

With an average of 13.8h of daylight, June has the longest days of the year.

What month has the most sunshine in Port Saint Lucie?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

What is the warmest month in Port Saint Lucie?

The warmest month in Port Saint Lucie is August, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 78.4°F (25.8°C).

What is the wettest month in Port Saint Lucie?

The month with the most rainfall is August when the rain falls for 23.5 days and typically aggregates up to 2.99" (76mm) of precipitation.

When is the ocean warmest in Port Saint Lucie?

With an average ocean temperature of 85.1°F (29.5°C), August is the month with the warmest seawater in Port Saint Lucie, Florida.

What is the month with the shortest days in Port Saint Lucie?

The month with the shortest days in Port Saint Lucie is December, with an average of 10.4h of daylight.
Average temperature - Port Saint Lucie, FL
Average humidity - Port Saint Lucie, FL
Average rainfall - Port Saint Lucie, FL

The wettest month (with the highest rainfall) is August (2.99").
The driest month (with the lowest rainfall) is January (0.55").

Average rainfall days - Port Saint Lucie, FL

The month with the highest number of rainy days is August (23.5 days).
The month with the lowest number of rainy days is January (8.2 days).

Average sea temperature - Port Saint Lucie, FL

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

Average daylight / Average sunshine - Port Saint Lucie, FL

The month with the longest days is June (Average daylight: 13.8h).
The month with shortest days is December (Average daylight: 10.4h).

The month with most sunshine is July (Average sunshine: 10.9h).
Months with least sunshine are January and December (Average sunshine: 6.1).

Average UV index - Port Saint Lucie, FL