About Biscayne Weather
Summers are generally hot, with high humidity and frequent afternoon thunderstorms. Winters are typically mild and dry, but windy. South Florida typically has a dry season that runs December to April and a wet season which lasts the rest of the year. The large majority of visitation and activities takes place in the dry season.
| Month | Avg High | Avg Low | Record High | Record Low | Avg Pcpt |
| January | 73° | 63° | 86°/1964 | 32°/1977 | 2.44" |
| February | 73° | 63° | 88°/2003 | 37°/1996 | 2.14" |
| March | 75° | 66° | 92°/1977 | 32°/1980 | 2.20" |
| April | 79° | 70° | 94°/1971 | 46°/1987 | 2.81" |
| May | 82° | 74° | 98°/2005 | 58°/1992 | 4.90" |
| June | 86° | 77° | 97°/1985 | 65°/1967 | 6.90" |
| July | 87° | 78° | 98°/1974 | 66°/1975 | 3.63" |
| August | 87° | 78° | 98°/2004 | 67°/1982 | 5.44" |
| September | 86° | 78° | 96°/1973 | 67°/1985 | 6.31" |
| October | 83° | 75° | 95°/1977 | 54°/1989 | 4.53" |
| November | 78° | 70° | 92°/2002 | 39°/1970 | 3.32" |
| December | 75° | 65° | 86°/1948 | 32°/1989 | 1.98" |
