Climate and monthly weather forecast
Saint Lucie, FL

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Weather in January

January, the same as December, in Saint Lucie, Florida, is an agreeable winter month, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 70.5°F (21.4°C). January, characterized by an average high temperature of 70.5°F (21.4°C) and a low temperature of 59.2°F (15.1°C), is generally the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Saint Lucie, is a warm month, with an average temperature ranging between max 73.4°F (23°C) and min 61.9°F (16.6°C). The advent of February reveals an average high-temperature of a moderately hot 73.4°F (23°C), showing minimal difference from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Saint Lucie, is also a moderately hot month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 75°F (23.9°C). The advent of March brings an average high-temperature of a still warm 75°F (23.9°C), exhibiting minor difference from the previous month. Weather in March »

Weather in April

April, like March, in Saint Lucie, Florida, is another warm spring month, with an average temperature ranging between min 68.9°F (20.5°C) and max 79.7°F (26.5°C). April welcomes an average high-temperature of a still moderately hot 79.7°F (26.5°C), not much different from the preceding month. Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Saint Lucie, Florida, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 72.7°F (22.6°C). May's weather records an average high-temperature of a still warm 82.9°F (28.3°C), showing little deviation from April. Weather in May »

Weather in June

The first month of the summer, June, is a hot month in Saint Lucie, Florida, with an average temperature varying between 76.5°F (24.7°C) and 86.2°F (30.1°C). At the onset of June, Saint Lucie records an average high-temperature of a hot 86.2°F (30.1°C), showing little deviation from the preceding month. Weather in June »

Weather in July

July, like June, is another hot summer month in Saint Lucie, Florida, with an average temperature ranging between max 87.4°F (30.8°C) and min 78.1°F (25.6°C). The transition into July is marked with an average high-temperature of a still tropical 87.4°F (30.8°C), showing an insignificant shift from June's 86.2°F (30.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Saint Lucie, Florida, with an average temperature ranging between max 87.6°F (30.9°C) and min 78.4°F (25.8°C). August brings the highest temperatures, with an average high of 87.6°F (30.9°C) and an average low of 78.4°F (25.8°C). In August, the average heat index is calculated to be a scorching 104°F (40°C). Weather in August »

Weather in September

September, the first month of the autumn in Saint Lucie, is still a warm month, with an average temperature ranging between max 85.8°F (29.9°C) and min 77.2°F (25.1°C). September's beginning signals an average high-temperature of a moderately hot 85.8°F (29.9°C), barely different from August's 87.6°F (30.9°C). Weather in September »

Weather in October

October, like September, in Saint Lucie, Florida, is a moderately hot autumn month, with an average temperature fluctuating between 81.7°F (27.6°C) and 73.2°F (22.9°C). October registers an average high-temperature of a still moderately hot 81.7°F (27.6°C), slightly varied from September's 85.8°F (29.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Saint Lucie, Florida, with an average temperature fluctuating between 67.5°F (19.7°C) and 76.5°F (24.7°C). Saint Lucie commences November with an average high-temperature of a still moderately hot 76.5°F (24.7°C), maintaining a close resemblance to the previous month. Weather in November »

Weather in December

December, the first month of the winter in Saint Lucie, is also a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 63.7°F (17.6°C). Saint Lucie's average high-temperature in December is a still moderately hot 73.9°F (23.3°C), marking an insignificant difference from the 76.5°F (24.7°C) of November. Weather in December »
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Frequently asked questions

What part of the year is the coldest in Saint Lucie?

In Saint Lucie, January records the average lowest temperatures, peaking at 70.5°F (21.4°C) and reaching a low of 59.2°F (15.1°C).

How much does it rain in Saint Lucie?

Throughout the year, there are 221.2 rainfall days, and 46.26" (1175mm) of precipitation is accumulated.

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

January has the least sunshine of the year, with an average of 5.9h of sunshine.

When is the lowest UV index in Saint Lucie?

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

What is the driest month in Saint Lucie?

February is the month with the least rainfall in Saint Lucie. Rain falls for 11.6 days and accumulates 1.26" (32mm) of precipitation.

What is the least humid month in Saint Lucie?

With an average relative humidity of 72%, March is the least humid month in Saint Lucie, Florida.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Saint Lucie, Florida, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When is the highest UV index in Saint Lucie?

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

When are the longest days in Saint Lucie?

With an average of 13h and 54min of daylight, June has the longest days of the year in Saint Lucie.

What month has the most sunshine in Saint Lucie?

July has the most sunshine of the year, with an average of 10.7h of sunshine.

What month is the hottest in Saint Lucie?

Saint Lucie's warmest month, August, generally records average temperatures ranging from a high of 87.6°F (30.9°C) to a low of 78.4°F (25.8°C).

What is the most humid month in Saint Lucie?

August is the most humid month in Saint Lucie, Florida, with an average relative humidity of 79%.

What is the rainiest month in Saint Lucie?

August is the month with the most rainfall. Rain falls for 28.1 days and accumulates 8.23" (209mm) of precipitation.

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

December has the shortest days of the year, with an average of 10h and 24min of daylight.

Average temperature
Saint Lucie, FL

Average temperature - 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 (70.5°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 (59.2°F).

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Average pressure
Saint Lucie, FL

Average pressure - 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
Saint Lucie, FL

Average wind speed - Saint Lucie, FL

The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average rainfall
Saint Lucie, FL

Average rainfall - Saint Lucie, FL

The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days
Saint Lucie, FL

Average rainfall days - Saint Lucie, FL

The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is January (11.3 days).

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Average daylight / Average sunshine
Saint Lucie, FL

Average daylight / Average sunshine - Saint Lucie, FL

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).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days
Saint Lucie, FL

Average sunshine days - Saint Lucie, FL

The month with the most sunshine days is January (17 days).
The month with the least sunshine days is August (0.8 days).

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Average UV index
Saint Lucie, FL

Average UV index - 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 visibility
Saint Lucie, FL

Average visibility - 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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Saint Lucie, Florida, USA

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