March weather forecast
Duck Key, FL

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Weather in March

March, the first month of the spring in Duck Key, is also a moderately hot month, with an average temperature varying between 70.5°F and 74.3°F.

Temperature

With March's advent, Duck Key sees an average high-temperature of a still warm 74.3°F, subtly shifted from February's 73.4°F. During the month of March, Duck Key identifies an average nighttime low-temperature of 70.5°F, slightly lower than its daytime counterpart.

Humidity

With an average relative humidity of 73%, March is the least humid month in Duck Key.

Rainfall

March is the month with the least rainfall in Duck Key. Rain falls for 10.8 days and accumulates 0.43" of precipitation.

Ocean temperature

In Duck Key, the average seawater temperature in March is 75.6°F.
Note: For someone not comfortable with cold, swimming in 75.6°F waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

In Duck Key, the average length of the day in March is 12h and 2min.
On the first day of March in Duck Key, sunrise is at 6:46 am and sunset at 6:25 pm EST. On the last day of the month, sunrise is at 7:16 am and sunset at 7:39 pm EDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In Duck Key, the average sunshine in March is 8.9h.

UV index

In March, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In March, the maximum UV index of 6 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Stay cautious! Sand and water reflections increase UV radiation potency.
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FAQ

What is the usual temperature for Duck Key in March?

In March, in Duck Key, the average high-temperature is 74.3°F, and the average low-temperature is 70.5°F.

What is the least humid month in Duck Key?

With an average relative humidity of 73%, March is the least humid month in Duck Key, Florida.

What is the average humidity in March in Duck Key?

In Duck Key, Florida, the average relative humidity in March is 73%.

What is the driest month in Duck Key?

The month with the least rainfall is March, when the rain falls for 10.8 days and typically collects 0.43" of precipitation.

How many days does it rain in March in Duck Key?

In Duck Key, during March, the rain falls for 10.8 days and regularly aggregates up to 0.43" of precipitation.

How warm is the water in March in Duck Key?

In March, the average ocean temperature in Duck Key is 75.6°F. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.6°F water may be enjoyable.

What is the average length of the day in March in Duck Key?

In March, the average day length in Duck Key, Florida, is 12h and 2min.

When is the sunrise / sunset in March in Duck Key?

In March, on the first day of the month, sunrise is at 6:46 am and sunset at 6:25 pm EST. On the last day of the month, in Duck Key, sunrise is at 7:16 am and sunset at 7:39 pm EDT.

When does Daylight Saving Time (DST) start in March in Duck Key?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Duck Key, Florida, and the time zone changes from EST to EDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How many hours of sunshine does Duck Key have in March?

In Duck Key, Florida, the average sunshine duration in March is 8.9h.

What is the UV index intensity in March in Duck Key?

In March, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Duck Key, FL

Average temperature in March - Duck Key, FL
  • Average high temperature in March: 74.3°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.9°F).

  • Average low temperature in March: 70.5°F

The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (67.5°F).

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Average pressure in March
Duck Key, FL

Average pressure in March - Duck Key, FL
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).

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Average wind speed in March
Duck Key, FL

Average wind speed in March - Duck Key, FL
  • Average wind speed in March: 13.3mph

The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).

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Average humidity in March
Duck Key, FL

Average humidity in March - Duck Key, FL
  • Average humidity in March: 73%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is March (73%).

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Average rainfall in March
Duck Key, FL

Average rainfall in March - Duck Key, FL
  • Average rainfall in March: 0.43"

The wettest month (with the highest rainfall) is September (4.21").
The driest month (with the least rainfall) is March (0.43").

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Average rainfall days in March
Duck Key, FL

Average rainfall days in March - Duck Key, FL
  • Average rainfall days in March: 10.8 days

The month with the highest number of rainy days is September (23 days).
The month with the least rainy days is February (10.3 days).

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Average sea temperature in March
Duck Key, FL

Average sea temperature in March - Duck Key, FL
  • Average sea temperature in March: 75.6°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest months (with the lowest average sea temperature) are January and February (73.9°F).

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Average daylight in March /
Average sunshine in March
Duck Key, FL

Average daylight in March / Average sunshine in March - Duck Key, FL
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in March: 8h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in March
Duck Key, FL

Average sunshine days in March - Duck Key, FL
  • Average sunshine days in March: 18 days

The month with the most sunshine days is March (18 days).
The month with the least sunshine days is September (4.6 days).

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Average UV index in March
Duck Key, FL

Average UV index in March - Duck Key, FL
  • Average UV index in March: 6

The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in March
Duck Key, FL

Average cloud cover in March - Duck Key, FL
  • Average cloud cover in March: 25

The months with the most cloud cover are January and October (Cloud cover 32).
The month with the least cloud cover is April (Cloud cover 23).

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Average visibility in March
Duck Key, FL

Average visibility in March - Duck Key, FL
  • Average visibility in March: 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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Duck Key, Florida, USA

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