April weather in Key Biscayne, FL
The average temperature in Key Biscayne in April is 77.6°F (71.5°F–83.8°F). Average precipitation: 3.17 inches.
April is a spring month in Key Biscayne, and is cooler than the annual average of 78.7°F. Daily temperatures swing about 12.3°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 37m. For travel, April is a comfortable month to visit.
Avg High
83.8°F
Avg Low
71.5°F
Precipitation
3.17 in
Daylight
12h 37m
April records in Key Biscayne
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 88.0°F (2020) | 53.1°F (2003) | 1.38 in (2001) |
| April 2 | 88.0°F (2022) | 55.9°F (2003) | 0.66 in (2011) |
| April 3 | 88.0°F (2016) | 57.0°F (2005) | 0.14 in (2005) |
| April 4 | 87.1°F (2023) | 48.9°F (2005) | 2.11 in (2019) |
| April 5 | 87.1°F (2017) | 59.0°F (2000) | 1.75 in (2013) |
| April 6 | 88.0°F (2012) | 54.0°F (2004) | 0.39 in (2013) |
| April 7 | 90.0°F (2012) | 59.0°F (2007) | 1.72 in (2008) |
| April 8 | 89.1°F (2022) | 55.9°F (2007) | 1.25 in (2026) |
| April 9 | 89.1°F (2018) | 55.0°F (2009) | 3.07 in (2018) |
| April 10 | 91.9°F (2020) | 55.9°F (2022) | 1.40 in (2006) |
| April 11 | 93.9°F (2020) | 59.0°F (2022) | 1.94 in (2007) |
| April 12 | 88.0°F (2021) | 54.0°F (2003) | 2.49 in (2023) |
| April 13 | 88.0°F (2019) | 59.0°F (2003) | 2.25 in (2023) |
| April 14 | 89.1°F (2020) | 60.1°F (2003) | 1.10 in (2012) |
| April 15 | 90.0°F (2019) | 55.0°F (2004) | 3.02 in (2000) |
| April 16 | 90.0°F (2020) | 57.0°F (2004) | 1.51 in (2022) |
| April 17 | 90.0°F (2020) | 55.0°F (2007) | 1.10 in (2023) |
| April 18 | 89.1°F (2023) | 57.0°F (2007) | 1.46 in (2011) |
| April 19 | 90.0°F (2020) | 61.0°F (2001) | 1.49 in (2014) |
| April 20 | 90.0°F (2021) | 64.0°F (2000) | 1.47 in (2021) |
| April 21 | 93.0°F (2020) | 55.0°F (2019) | 0.84 in (2012) |
| April 22 | 93.0°F (2020) | 62.1°F (2005) | 0.92 in (2015) |
| April 23 | 87.1°F (2020) | 59.0°F (2000) | 0.90 in (2013) |
| April 24 | 89.1°F (2016) | 59.0°F (2012) | 1.20 in (2015) |
| April 25 | 93.0°F (2020) | 53.1°F (2012) | 2.19 in (2023) |
| April 26 | 90.0°F (2020) | 59.0°F (2005) | 0.70 in (2001) |
| April 27 | 96.1°F (2015) | 64.9°F (2003) | 2.24 in (2018) |
| April 28 | 93.0°F (2015) | 60.1°F (2000) | 0.76 in (2018) |
| April 29 | 89.1°F (2015) | 64.9°F (2018) | 2.91 in (2012) |
| April 30 | 90.0°F (2023) | 68.0°F (2000) | 1.15 in (2022) |