Key Largo Weather: August
 |
Average Day Temperature: | 89.1°F |
|
Average Night Temperature: | 87.9°F |
|
Sea Water Temperature: | 91.7°F |
|
Number of Sunny Days: | 5 days |
| Sunshine Hours: | 12.7 - 13.3 hours | |
|
Number of Rainy Days: | 2 days |
| Precipitation Totals: | 1.5 in | |
| detailed information | ||
forecast
| Key Largo |
Temperature
| Key Largo |
Air Temperature in August, °F
The highest day temperature in August 2025 was 93°F. The lowest night temperature was 85°F. The average values for day and night temperatures during August were 90.7°F и 88.2°F respectivly.
Key Largo Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Key Largo was 93.0°F. The maximum and minimum values were 91.0°F and 94.6°F respectively.
Most of the days in August are cloudy but you can also expect sunny or gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Key Largo is 1.5 in. It makes august one of the most rainy months of the year.
The average wind speed in August is 10.5 mph. It makes August one of the most windless months 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 August is 6.5 hours.
Key Largo on the Weather Map
| Chicago |  |
-2 |
| Hawaii | |
+78 |
| Honolulu | |
+78 |
| Houston | |
+44 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach |  |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
78°F | W 14 mph |
| 0600 | |
78°F | W 12 mph |
| 0900 |  |
78°F | NW 11 mph |
| 1200 | |
78°F | W 10 mph |
| 1500 | |
80°F | NW 9 mph |
| 1800 |  |
78°F | NW 7 mph |
| 2100 |  |
78°F | NW 7 mph |
| 0000 | |
78°F | NW 6 mph |