June weather in Key Biscayne, FL
The average temperature in Key Biscayne in June is 83.8°F (78.0°F–89.6°F). Average precipitation: 7.37 inches.
June is a summer month in Key Biscayne, and is warmer than the annual average of 78.7°F. Daily temperatures swing about 11.6°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 13h 35m. For travel, June is a wet month.
Avg High
89.6°F
Avg Low
78.0°F
Precipitation
7.37 in
Daylight
13h 35m
June records in Key Biscayne
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 91.9°F (2025) | 69.1°F (2014) | 1.50 in (2013) |
| June 2 | 91.9°F (2003) | 71.1°F (2007) | 3.05 in (2007) |
| June 3 | 91.9°F (2019) | 71.1°F (2005) | 3.00 in (2025) |
| June 4 | 93.0°F (2019) | 71.1°F (2010) | 8.71 in (2022) |
| June 5 | 93.0°F (2018) | 69.1°F (2006) | 1.03 in (2006) |
| June 6 | 91.9°F (2012) | 68.0°F (2009) | 2.88 in (2009) |
| June 7 | 91.9°F (2019) | 73.0°F (2001) | 1.55 in (2013) |
| June 8 | 95.0°F (2019) | 72.0°F (2000) | 4.55 in (1999) |
| June 9 | 91.9°F (2012) | 71.1°F (2022) | 1.96 in (2012) |
| June 10 | 91.0°F (2019) | 73.9°F (2003) | 1.48 in (2017) |
| June 11 | 90.0°F (1999) | 72.0°F (2000) | 2.03 in (2005) |
| June 12 | 91.9°F (2019) | 71.1°F (2014) | 2.77 in (2014) |
| June 13 | 93.0°F (2019) | 71.1°F (2012) | 4.91 in (2024) |
| June 14 | 93.0°F (2019) | 71.1°F (2007) | 1.54 in (2002) |
| June 15 | 95.0°F (2012) | 73.9°F (2002) | 1.16 in (2019) |
| June 16 | 91.9°F (2023) | 73.0°F (2002) | 1.78 in (2021) |
| June 17 | 96.1°F (2023) | 71.1°F (2005) | 2.56 in (2019) |
| June 18 | 93.0°F (2016) | 72.0°F (2005) | 2.39 in (2023) |
| June 19 | 93.0°F (2016) | 72.0°F (2002) | 3.00 in (2008) |
| June 20 | 93.0°F (2023) | 73.0°F (2005) | 2.04 in (1999) |
| June 21 | 91.9°F (2004) | 70.0°F (2005) | 3.19 in (2005) |
| June 22 | 93.9°F (2018) | 72.0°F (2002) | 3.60 in (2003) |
| June 23 | 96.1°F (2009) | 72.0°F (2001) | 2.38 in (2024) |
| June 24 | 91.9°F (2018) | 72.0°F (2005) | 1.43 in (2009) |
| June 25 | 93.9°F (2019) | 72.0°F (2003) | 3.27 in (2023) |
| June 26 | 93.9°F (2019) | 71.1°F (2002) | 1.55 in (2002) |
| June 27 | 91.9°F (2015) | 64.0°F (2003) | 2.42 in (2001) |
| June 28 | 91.9°F (2012) | 69.1°F (2014) | 2.31 in (1998) |
| June 29 | 93.0°F (2015) | 70.0°F (2003) | 1.29 in (2001) |
| June 30 | 93.0°F (2023) | 73.9°F (1999) | 0.62 in (2021) |