March weather forecast
Duck Key, FL

Weather in March

March, the first month of the spring in Duck Key, is also a moderately hot month, with an average temperature ranging between min 70.5°F (21.4°C) and max 74.3°F (23.5°C).

Temperature

In Duck Key, the average high-temperature in March is practically the same as in February - a still moderately hot 74.3°F (23.5°C). In Duck Key, in March, the average low-temperature is 70.5°F (21.4°C).

Humidity

March is the least humid month, with an average relative humidity of 73%.

Rainfall

March is the month with the least rainfall. Rain falls for 10.8 days and accumulates 0.43" (11mm) of precipitation.

Ocean temperature

In Duck Key, Florida, in March, the average water temperature is 75.6°F (24.2°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.6°F (24.2°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In March, the average length of the day is 12h and 2min.
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 March, in Duck Key, 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 Duck Key, the average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In March, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in March in Duck Key?

In Duck Key, in March, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 70.5°F (21.4°C).

What is the least humid month in Duck Key?

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

What is the average humidity in March in Duck Key?

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

What is the driest month in Duck Key?

March is the month with the least rainfall in Duck Key. Rain falls for 10.8 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Duck Key in March?

In Duck Key, in March, during 10.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

What is the water temperature in March in Duck Key?

In Duck Key, the average seawater temperature in March is 75.6°F (24.2°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.6°F (24.2°C) water may be enjoyable.

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

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

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

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.

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, and the time zone changes from EST to EDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How long on average sun shines in March in Duck Key?

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 estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
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 2min

The month with the longest days is June (Average daylight: 13h and 39min).
The month with the shortest days is December (Average daylight: 10h and 38min).

  • Average sunshine in March: 8h and 54min

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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