Climate and monthly weather forecast
Port Saint Lucie, FL

A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida
A small wooden gazebo over a natural preserve in Port Saint Lucie, Florida

Weather in January

January, the same as December, in Port Saint Lucie, Florida, is an agreeable winter month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 71.2°F (21.8°C). 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. Weather in January »

Weather in February

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

Weather in March

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

Weather in April

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

Weather in May

The last month of the spring, May, is also a moderately hot month in Port Saint Lucie, Florida, with an 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 in May is relatively the same as in April - a still warm 82.9°F (28.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Port Saint Lucie, Florida, with an average temperature ranging between min 76.3°F (24.6°C) and max 86.2°F (30.1°C). In June, the average high-temperature is almost the same as in May - a hot 86.2°F (30.1°C). Weather in June »

Weather in July

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

Weather in August

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

Weather in September

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

Weather in October

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

Weather in November

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

Weather in December

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

What is the coldest month in Port Saint Lucie?

January 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).

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.

How much does it rain in Port Saint Lucie?

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

What months are the ocean coldest 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?

The 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?

January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Port Saint Lucie, Florida.

What is the least humid month in Port Saint Lucie?

The least humid month in Port Saint Lucie is March, with an average relative humidity of 71%.

When is Daylight Saving Time (DST) in Port Saint Lucie?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Port Saint Lucie, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the month with the highest UV index in Port Saint Lucie?

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

What are the most humid months in Port Saint Lucie?

The months with the highest humidity in Port Saint Lucie are June through September, with an average relative humidity of 78%.

When are the longest days in Port Saint Lucie?

With an average of 13h and 50min of daylight, June has the longest days of the year in Port Saint Lucie.

What month has the most sunshine in Port Saint Lucie?

The month with the most sunshine in Port Saint Lucie, Florida, is July, with an average of 10.9h of sunshine.

What is the warmest month in Port Saint Lucie?

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

What is the wettest month in Port Saint Lucie?

August is the month with the most rainfall in Port Saint Lucie, Florida. Rain falls for 23.5 days and accumulates 2.99" (76mm) of precipitation.

What is the month with the warmest ocean in Port Saint Lucie?

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

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

With an average of 10h and 28min of daylight, December has the shortest days of the year in Port Saint Lucie, Florida.

Average temperature
Port Saint Lucie, FL

Average temperature - Port Saint Lucie, FL

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (71.2°F).

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure
Port Saint Lucie, FL

Average pressure - Port Saint Lucie, FL

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed
Port Saint Lucie, FL

Average wind speed - Port Saint Lucie, FL

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity
Port Saint Lucie, FL

Average humidity - Port Saint Lucie, FL

The months with the highest relative humidity are June, July, August and September (78%).
The month with the lowest relative humidity is March (71%).

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Average rainfall
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 least rainfall) is January (0.55").

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Average rainfall days
Port Saint Lucie, FL

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 least rainy days is January (8.2 days).

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Average sea temperature
Port Saint Lucie, FL

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).

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Average daylight / Average sunshine
Port Saint Lucie, FL

Average daylight / Average sunshine - Port Saint Lucie, FL

The month with the longest days is June (Average daylight: 13h and 50min).
The month with the shortest days is December (Average daylight: 10h and 28min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).

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Average sunshine days
Port Saint Lucie, FL

Average sunshine days - Port Saint Lucie, FL

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is August (3.8 days).

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Average UV index
Port Saint Lucie, FL

Average UV index - Port Saint Lucie, FL

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).

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Average cloud cover
Port Saint Lucie, FL

Average cloud cover - Port Saint Lucie, FL

The months with the most cloud cover are November and December (Cloud cover 34).
The months with the least cloud cover are May, July and August (Cloud cover 27).

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Average visibility
Port Saint Lucie, FL

Average visibility - Port Saint Lucie, FL

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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