Key Largo Weather: March
 |
Average Day Temperature: | 78.5°F |
|
Average Night Temperature: | 76.1°F |
|
Sea Water Temperature: | 79.7°F |
|
Number of Sunny Days: | 12 days |
| Sunshine Hours: | 11.7 - 12.4 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.4 in | |
| detailed information | ||
forecast
| Key Largo |
Temperature
| Key Largo |
Air Temperature in March, °F
The highest day temperature in March 2026 was 85°F. The lowest night temperature was 65°F. The average values for day and night temperatures during March were 79.6°F и 75.8°F respectivly.
Key Largo Water Sea Temperature in March, °F
The average sea surface temperature in March 2026 for Key Largo was 79.8°F. The maximum and minimum values were 75.6°F and 83.0°F respectively.
Most of the days in March are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in March, in
Precipitation total in March for Key Largo is 0.4 in. It makes march one of the least rainy months of the year.
The average wind speed in March is 13.9 mph. It makes March the most windy month of the year for Key Largo.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Key Largo in March is 7.7 hours.
Key Largo on the Weather Map
| Chicago |  |
+46 |
| Hawaii | |
+74 |
| Honolulu | |
+74 |
| Houston | |
+74 |
| Las Vegas |  |
+54 |
| Los Angeles |  |
+56 |
| Maui | |
+66 |
| Miami | |
+74 |
| Miami Beach | |
+78 |
| New York | |
+40 |
| San Diego | |
+58 |
| San Francisco | |
+50 |
| Sarasota | |
+72 |
| Tampa | |
+72 |
| Washington | |
+48 |
| 0900 |  |
78°F | W 21 mph |
| 1200 | |
80°F | W 22 mph |
| 1500 |  |
80°F | W 19 mph |
| 1800 | |
80°F | W 22 mph |
| 2100 |  |
78°F | W 22 mph |
| 0000 |  |
78°F | W 22 mph |
| 0300 | |
78°F | W 21 mph |
| 0600 | |
78°F | W 22 mph |