March weather forecast
Siesta Key, FL

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Weather in March

March, the first month of the spring in Siesta Key, is a moderately hot month, with an average temperature ranging between max 74.1°F (23.4°C) and min 61.5°F (16.4°C).

Temperature

March's onset brings an average high-temperature of a moderately hot 74.1°F (23.4°C), showing a minute difference from February's 71.2°F (21.8°C). Siesta Key records an average temperature drop to an enjoyable 61.5°F (16.4°C) in March.

Humidity

The months with the lowest humidity in Siesta Key are March through May, with an average relative humidity of 72%.

Rainfall

In Siesta Key, in March, it is raining for 9.2 days, with typically 1.26" (32mm) of accumulated precipitation. In Siesta Key, during the entire year, the rain falls for 183.1 days and collects up to 34.92" (887mm) of precipitation.

Ocean temperature

In Siesta Key, the average seawater temperature in March is 66.7°F (19.3°C).
Note: The majority of individuals find swimming in 66.7°F (19.3°C) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in March is 12h and 1min.
On the first day of the month, sunrise is at 6:53 am and sunset at 6:31 pm EST. On the last day of March, sunrise is at 7:20 am and sunset at 7:47 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

The average sunshine in March is 8.7h.

UV index

In March, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: During March, 6 as the daily maximum UV index converts into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Siesta Key in March?

The high-temperature, in March, in Siesta Key, is 74.1°F (23.4°C), while the low-temperature averages to 61.5°F (16.4°C).

What is the least humid month?

March through May, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in March?

In March, the average relative humidity is 72%.

How much does it rain in March?

In Siesta Key, in March, it is raining for 9.2 days, with typically 1.26" (32mm) of accumulated precipitation.

How cold is the water in March?

In Siesta Key, the average seawater temperature in March is 66.7°F (19.3°C). Swimming in 66.7°F (19.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in March?

The average day length in March is 12h and 1min.

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

On the first day of March, sunrise is at 6:53 am and sunset at 6:31 pm EST. On the last day of the month, sunrise is at 7:20 am and sunset at 7:47 pm EDT.

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

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

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

In March, the average sunshine duration is 8.7h.

What is the UV index intensity in March?

The average daily maximum UV index in March is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in March
Siesta Key, FL

Average temperature in March - Siesta Key, FL
  • Average high temperature in March: 74.1°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (68.5°F).

  • Average low temperature in March: 61.5°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).

Average pressure in March
Siesta Key, FL

Average pressure in March - Siesta Key, FL
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

Average wind speed in March
Siesta Key, FL

Average wind speed in March - Siesta Key, FL
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in March
Siesta Key, FL

Average humidity in March - Siesta Key, FL
  • Average humidity in March: 72%

The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are March, April and May (72%).

Average rainfall in March
Siesta Key, FL

Average rainfall in March - Siesta Key, FL
  • Average rainfall in March: 1.26"

The wettest month (with the highest rainfall) is August (6.42").
The driest months (with the least rainfall) are February and November (1.06").

Average rainfall days in March
Siesta Key, FL

Average rainfall days in March - Siesta Key, FL
  • Average rainfall days in March: 9.2 days

The month with the highest number of rainy days is August (26.8 days).
The months with the least rainy days are January, February and November (8.3 days).

Average sea temperature in March
Siesta Key, FL

Average sea temperature in March - Siesta Key, FL
  • Average sea temperature in March: 66.7°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64.1°F).

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

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

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in March
Siesta Key, FL

Average sunshine days in March - Siesta Key, FL
  • Average sunshine days in March: 20.1 days

The month with the most sunshine days is January (21.1 days).
The month with the least sunshine days is August (2.5 days).

Average UV index in March
Siesta Key, FL

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

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in March
Siesta Key, FL

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

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 22).

Average visibility in March
Siesta Key, FL

Average visibility in March - Siesta 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).

Siesta Key, Florida, USA

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