March weather forecast and climate
Duck Key, FL

What is the temperature in March in Duck Key?

The average high-temperature, in March, in Duck Key, Florida, is 78.8°F (26°C), while the average low-temperature is 60.8°F (16°C).

How much does it rain in Duck Key in March?

In March, in Duck Key, Florida, the rain falls for 5 days. Throughout March, 2" (50mm) of precipitation is accumulated.

How warm is the water in March 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. The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).
Average temperature in March - Duck Key, FL
  • Average high temperature in March: 26°C

Warmest months (with the highest average high temperature) are July, August and September (32°C).
The month with the lowest average high temperature is January (24°C).

  • Average low temperature in March: 16°C

Months with the highest average low temperature are June, July, August and September (23°C).
Coldest months (with the lowest average low temperature) are January and February (14°C).

Average rainfall in March - Duck Key, FL
  • Average rainfall in March: 50mm

The wettest month (with the highest rainfall) is June (236mm).
The driest month (with the lowest rainfall) is December (37mm).

Average rainfall days in March - Duck Key, FL
  • Average rainfall days in March: 5 days

The month with the highest number of rainy days is September (16 days).
The month with the lowest number of rainy days is April (4 days).

Average sea temperature in March - Duck Key, FL
  • Average sea temperature in March: 24.2°C

The best month for swimming (with the highest average sea temperature) is August (30.3°C).
Coldest months (with the lowest average sea temperature) are January and February (23.3°C).

Average daylight in March / Average sunshine in March - Duck Key, FL
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in March: 10h

The month with most sunshine is May (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 7h).

Average UV index in March - Duck Key, FL
  • Average UV index in March: 10

Months with the highest UV index are April, May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 6).

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