March weather forecast
Sanibel, FL

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A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida
A large flock of the iconic royal tern birds on the white sandy shores on a typical beach in Sanibel, Florida

Weather in March

Distinct seasonal shifts mark Sanibel's transition from February to March. In March, the city experiences warm weather, alongside an increase in daily sunshine hours. The island embraces March with a higher average temperature of 74.5°F (23.6°C), demonstrating the city's transition towards the warm season. Additionally, March witnesses slightly more days with a significant amount of sunshine, enlightening outdoor activities. March's counterbalance of increasing maximum temperatures and sunshine hours marks the onset of the city's peak season for tourism.

Temperature

The arrival of March denotes a barely perceptible change in the average high-temperatures to a warm 74.5°F (23.6°C) from February's 72°F (22.2°C). The nights of March anticipate an average low-temperature of 64°F (17.8°C).

Humidity

The months with the lowest humidity in Sanibel, Florida, are March, May, July, August and October, with an average relative humidity of 73%.

Rainfall

In Sanibel, Florida, during March, the rain falls for 10.2 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Sanibel, during the entire year, the rain falls for 190.9 days and collects up to 41.73" (1060mm) of precipitation.

Ocean temperature

In Sanibel, the average seawater temperature in March is 68°F (20°C).
Note: Most people do not find pleasure in swimming when the water temperature is 68°F (20°C). Breathing becomes increasingly difficult to manage as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Sanibel, the average length of the day in March is 12h and 1min.
On the first day of March in Sanibel, sunrise is at 6:50 am and sunset at 6:29 pm EST. On the last day of the month, sunrise is at 7:19 am and sunset at 7:44 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 in Sanibel is 8.9h.

UV index

The average daily maximum UV index in March in Sanibel is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 during March translates into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the average March temperature in Sanibel?

During March, Sanibel experiences an average high-temperature of 74.5°F (23.6°C) and a low-temperature of 64°F (17.8°C).

What is the least humid month in Sanibel?

The months with the lowest humidity are March, May, July, August and October, with an average relative humidity of 73%.

What is the average humidity in March in Sanibel?

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

How many days does it rain in March in Sanibel?

In Sanibel, during March, the rain falls for 10.2 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How cold is the water in March in Sanibel?

In Sanibel, the average seawater temperature in March is 68°F (20°C). For swimming, a surface water temperature of 68°F (20°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Sanibel have in March?

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

When is the sunrise / sunset in March in Sanibel?

In March, on the first day of the month, sunrise is at 6:50 am and sunset at 6:29 pm EST. On the last day of the month, in Sanibel, sunrise is at 7:19 am and sunset at 7:44 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sanibel, Florida, 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 Sanibel have in March?

The average sunshine duration in March in Sanibel, Florida, is 8.9h.

What is the UV index intensity in March in Sanibel?

In March, the average daily maximum UV index in Sanibel is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Sanibel, FL

Average temperature in March - Sanibel, FL
  • Average high temperature in March: 74.5°F

The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (69.8°F).

  • Average low temperature in March: 64°F

The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in March
Sanibel, FL

Average pressure in March - Sanibel, FL
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).

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Average wind speed in March
Sanibel, FL

Average wind speed in March - Sanibel, FL
  • Average wind speed in March: 9.5mph

The windiest months (with the highest average wind speed) are October and November (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in March
Sanibel, FL

Average humidity in March - Sanibel, FL
  • Average humidity in March: 73%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are March, May, July, August and October (73%).

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Average rainfall in March
Sanibel, FL

Average rainfall in March - Sanibel, FL
  • Average rainfall in March: 1.26"

The wettest month (with the highest rainfall) is August (8.54").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in March
Sanibel, FL

Average rainfall days in March - Sanibel, FL
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (8.2 days).

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Average sea temperature in March
Sanibel, FL

Average sea temperature in March - Sanibel, FL
  • Average sea temperature in March: 68°F

The best month for swimming (with the highest average sea temperature) is August (87.1°F).
The coldest month (with the lowest average sea temperature) is January (65.3°F).

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Average daylight in March /
Average sunshine in March
Sanibel, FL

Average daylight in March / Average sunshine in March - Sanibel, 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 5min

The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in March
Sanibel, FL

Average sunshine days in March - Sanibel, FL
  • Average sunshine days in March: 19.1 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is August (2.3 days).

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Average UV index in March
Sanibel, FL

Average UV index in March - Sanibel, 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 months with the lowest UV index are January and February (UV index 5).

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Average cloud cover in March
Sanibel, FL

Average cloud cover in March - Sanibel, FL
  • Average cloud cover in March: 23

The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).

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Average visibility in March
Sanibel, FL

Average visibility in March - Sanibel, 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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Sanibel, Florida, USA

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