March weather forecastKey Largo, FL
March
Weather in March
March, the first month of the spring in Key Largo, is still a warm month, with an average temperature varying between 70.2°F (21.2°C) and 74.5°F (23.6°C).Temperature
With the onset of March, the average high-temperature stands at a still moderately hot 74.5°F (23.6°C), closely aligned with February's 73.6°F (23.1°C). Key Largo's March nights demonstrate minimal variation from the daytime temperatures, with an average of 70.2°F (21.2°C).Humidity
March is the least humid month, with an average relative humidity of 73%.Rainfall
March is the month with the least rainfall. Rain falls for 11.4 days and accumulates 0.59" (15mm) of precipitation.Ocean temperature
In Key Largo, in March, the average water temperature is 75.9°F (24.4°C).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 75.9°F (24.4°C) waters. For reference, Olympians swim in waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
In March, the average length of the day is 12h and 2min.On the first day of the month, sunrise is at 6:43 am and sunset at 6:24 pm EST. On the last day of March, sunrise is at 7:13 am and sunset at 7:38 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 is 8.7h.UV index
The average daily maximum UV index in March is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in March interprets into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Key Largo, FL
- Average high temperature in March: 74.5°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in March: 70.2°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (66.9°F).
Average pressure in March
Key Largo, FL
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in March
Key Largo, FL
- Average wind speed in March: 12.8mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in March
Key Largo, FL
- Average humidity in March: 73%
The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).
Average rainfall in March
Key Largo, FL
- Average rainfall in March: 0.59"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in March
Key Largo, FL
- Average rainfall days in March: 11.4 days
The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).
Average sea temperature in March
Key Largo, FL
- Average sea temperature in March: 75.8°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).
Average daylight in March /
Average sunshine in March
Key Largo, FL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in March: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in March
Key Largo, FL
- Average sunshine days in March: 17.1 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).
Average UV index in March
Key Largo, 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
Key Largo, FL
- Average cloud cover in March: 27
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in March
Key Largo, 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).
