The weather in March in Key Biscayne

It's warm in March in Key Biscayne with an average temperature of 28°C. Temperatures this month range from a low of 26°C to a high of 29°C. At night, you can expect temperatures between 18°C and 22°C.

Looking for great weather? March is a good time to be in Key Biscayne. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March for Key Biscayne, Florida. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 33°C in 2020, Key Biscayne reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was 21°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 26°C.

Rainfall amount

In March, there is an average of 41 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Daily weather in March for Key Biscayne

Click on any day in March to get detailed info about the usual weather on that day in Key Biscayne. Check out the historical temperatures and precipitation over the past 10 years on this day.

March weather comparison

  Key Biscayne New York
Average temperature 28°C 11°C
Max. temperature 29°C 14°C
Min. temperature 18°C -5°C
Total precipitation 41 mm 63 mm
Rainy days 7 days 10 days

Start of March

The month of March starts in Key Biscayne with hot temps, averaging around 28°C during the day and nights around 20°C.

Mid March

By mid-March, daytime temps stay steady at around 28°C, with nights around 20°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of March

By the end of March, the average daytime temperature in Key Biscayne is around 29°C, while nighttime temps are about 21°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Key Biscayne

UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Key Biscayne for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in March in Key Biscayne, Florida. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in March in Key Biscayne

Temperature in March in Key Biscayne over the years

Precipitation charts

These charts show the average amount of precipitation in March in Key Biscayne, Florida. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in March in Key Biscayne

Total precipitation in March in Key Biscayne over the years

Daily UV index in March in Key Biscayne

This chart shows the average daily UV index in March in Key Biscayne, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in March in Key Biscayne

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Average weather in Key Biscayne by month

Click on a month below to see detailed weather info for Key Biscayne. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.