March weather forecast and climate
Longboat Key, FL

The first month of the spring, March, is a warm month in Longboat Key, Florida, with average temperature fluctuating between 61.5°F (16.4°C) and 74.1°F (23.4°C).

Temperature

In March, the average high-temperature is almost the same as in February - a moderately hot 74.1°F (23.4°C). The average low-temperature, in Longboat Key, is 61.5°F (16.4°C).

Humidity

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

Rainfall

In Longboat Key, during 9.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 183.1 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Ocean temperature

In March, the average ocean temperature in Longboat Key, Florida, is 66.7°F (19.3°C).
Note: 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).

Daylight

In March, the average length of the day is 12h.

Sunshine

In March, the average sunshine in Longboat Key is 8.7h.

UV index

In March, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in March in Longboat Key?

In Longboat Key, Florida, in March, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 61.5°F (16.4°C).

What is the least humid month in Longboat Key?

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

What is the average humidity in March in Longboat Key?

In Longboat Key, Florida, the average relative humidity in March is 72%.

How much does it rain in Longboat Key in March?

In March, in Longboat Key, the rain falls for 9.2 days. Throughout March, 1.26" (32mm) of precipitation is accumulated.

What is the ocean temperature in March in Longboat Key?

In March, the average ocean temperature is 66.7°F (19.3°C). For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

The average length of the day in March in Longboat Key is 12h.

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

The average sunshine in March in Longboat Key, Florida, is 8.7h.

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

In Longboat Key, the average daily maximum UV index in March is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in March - Longboat 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 - Longboat Key, FL
  • Average pressure in March: 30.09"

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

Average wind speed in March - Longboat 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 - Longboat Key, FL
  • Average humidity in March: 72%

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

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

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

Average sea temperature in March - Longboat 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 - Longboat Key, FL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in March: 8.7h

The month with the most sunshine is May (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 6.5h).

Average sunshine days in March - Longboat 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 - Longboat Key, FL
  • Average UV index in March: 6

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

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 - Longboat Key, FL
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).