March weather forecast
Big Coppitt Key, FL

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Weather in March

The first month of the spring, March, is a warm month in Big Coppitt Key, Florida, with an average temperature varying between 70.5°F (21.4°C) and 73.9°F (23.3°C).

Temperature

Transitioning into March, Big Coppitt Key records an average high-temperature of a warm 73.9°F (23.3°C), almost identical to February's 73.2°F (22.9°C). A minimal decline in temperature from daytime highs is anticipated in Big Coppitt Key throughout the March nights, averaging a pleasant 70.5°F (21.4°C).

Humidity

The average relative humidity in March in Big Coppitt Key, Florida, is 75%.

Rainfall

March is the month with the least rainfall. Rain falls for 9.4 days and accumulates 0.43" (11mm) of precipitation.

Ocean temperature

In March, the average ocean temperature is 73.2°F (22.9°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 73.2°F (22.9°C).

Daylight

The average length of the day in March is 12h and 2min.
On the first day of March, sunrise is at 6:48 am and sunset at 6:29 pm EST. On the last day of the month, sunrise is at 7:18 am and sunset at 7:42 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 Big Coppitt Key is 8.9h.

UV index

In Big Coppitt 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 rays for the ordinary person.
Note: In March, a daily UV index of 6 turns into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heed this! UV intensity is much stronger when reflected off sand and water.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March in Big Coppitt Key?

In Big Coppitt Key, 73.9°F (23.3°C) is the average high-temperature and 70.5°F (21.4°C) is the average low-temperature during March.

What is the average humidity in March in Big Coppitt Key?

In March, the average relative humidity in Big Coppitt Key, Florida, is 75%.

What is the driest month in Big Coppitt Key?

The month with the least rainfall in Big Coppitt Key, Florida, is March, when the rain falls for 9.4 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Big Coppitt Key in March?

In Big Coppitt Key, Florida, in March, it is raining for 9.4 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the ocean temperature in March in Big Coppitt Key?

In Big Coppitt Key, Florida, in March, the average water temperature is 73.2°F (22.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 73.2°F (22.9°C) water.

What is the average length of the day in March in Big Coppitt Key?

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

What time are sunrise and sunset in March in Big Coppitt Key?

On the first day of March in Big Coppitt Key, sunrise is at 6:48 am and sunset at 6:29 pm EST. On the last day of the month, sunrise is at 7:18 am and sunset at 7:42 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Big Coppitt Key, 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 Big Coppitt Key have in March?

The average sunshine duration in March is 8.9h.

What is the UV index reading in March in Big Coppitt Key?

In March, the average daily maximum UV index in Big Coppitt Key is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in March
Big Coppitt Key, FL

Average temperature in March - Big Coppitt Key, FL
  • Average high temperature in March: 73.9°F

The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).

  • Average low temperature in March: 70.5°F

The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).

Average pressure in March
Big Coppitt Key, FL

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).

Average wind speed in March
Big Coppitt Key, FL

Average wind speed in March - Big Coppitt Key, FL
  • Average wind speed in March: 13.9mph

The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).

Average humidity in March
Big Coppitt Key, FL

Average humidity in March - Big Coppitt Key, FL
  • Average humidity in March: 75%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).

Average rainfall in March
Big Coppitt Key, FL

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

The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in March
Big Coppitt Key, FL

Average rainfall days in March - Big Coppitt Key, FL
  • Average rainfall days in March: 9.4 days

The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).

Average sea temperature in March
Big Coppitt Key, FL

Average sea temperature in March - Big Coppitt Key, FL
  • Average sea temperature in March: 73.3°F

The best month for swimming (with the highest average sea temperature) is August (86.9°F).
The coldest months (with the lowest average sea temperature) are January and February (71.2°F).

Average daylight in March /
Average sunshine in March
Big Coppitt Key, FL

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

The month with the longest days is June (Average daylight: 13h and 36min).
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 30min).

Average sunshine days in March
Big Coppitt Key, FL

Average sunshine days in March - Big Coppitt Key, FL
  • Average sunshine days in March: 19.6 days

The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).

Average UV index in March
Big Coppitt Key, FL

Average UV index in March - Big Coppitt 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).

Average cloud cover in March
Big Coppitt Key, FL

Average cloud cover in March - Big Coppitt Key, FL
  • Average cloud cover in March: 24

The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).

Average visibility in March
Big Coppitt Key, FL

Average visibility in March - Big Coppitt 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).

Big Coppitt Key, Florida, USA

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