June weather in Marathon, FL
The average temperature in Marathon in June is 84.4°F (78.5°F–90.3°F). Average precipitation: 4.23 inches.
June is a summer month in Marathon, and is warmer than the annual average of 78.8°F. Daily temperatures swing about 11.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 31m. For travel, June is hot.
Avg High
90.3°F
Avg Low
78.5°F
Precipitation
4.23 in
Daylight
13h 31m
June records in Marathon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| June 1 | 93.9°F (2019) | 72.0°F (2021) | 2.19 in (2013) |
| June 2 | 93.9°F (2019) | 71.1°F (2015) | 1.21 in (2014) |
| June 3 | 96.1°F (2019) | 70.0°F (2025) | 5.47 in (2022) |
| June 4 | 95.0°F (2019) | 73.9°F (2007) | 0.32 in (2020) |
| June 5 | 93.9°F (2019) | 73.9°F (2009) | 1.49 in (2013) |
| June 6 | 95.0°F (2019) | 72.0°F (2007) | 0.93 in (2007) |
| June 7 | 97.0°F (2019) | 64.9°F (2008) | 4.24 in (2017) |
| June 8 | 98.1°F (2019) | 73.9°F (2007) | 0.37 in (2016) |
| June 9 | 97.0°F (2019) | 73.0°F (2007) | 1.47 in (2005) |
| June 10 | 96.1°F (2019) | 73.9°F (2004) | 0.42 in (2005) |
| June 11 | 96.1°F (2019) | 73.0°F (2018) | 0.93 in (1999) |
| June 12 | 97.0°F (2019) | 72.0°F (2014) | 3.85 in (2024) |
| June 13 | 104.0°F (2000) | 75.0°F (2020) | 3.14 in (2002) |
| June 14 | 104.0°F (2000) | 75.9°F (2019) | 1.06 in (2019) |
| June 15 | 105.1°F (2000) | 73.9°F (2020) | 0.52 in (2002) |
| June 16 | 105.1°F (2000) | 73.9°F (2007) | 0.90 in (2011) |
| June 17 | 104.0°F (2000) | 72.0°F (2001) | 1.34 in (2019) |
| June 18 | 102.0°F (2000) | 73.9°F (2001) | 1.08 in (2017) |
| June 19 | 95.0°F (2010) | 73.0°F (1999) | 1.40 in (1999) |
| June 20 | 93.9°F (2004) | 71.1°F (2005) | 1.98 in (2005) |
| June 21 | 93.9°F (2004) | 73.9°F (2005) | 1.05 in (2002) |
| June 22 | 95.0°F (2018) | 72.0°F (2005) | 2.22 in (2005) |
| June 23 | 93.9°F (2023) | 73.0°F (2012) | 0.56 in (2009) |
| June 24 | 95.0°F (2023) | 68.0°F (2007) | 1.67 in (2009) |
| June 25 | 93.9°F (2004) | 72.0°F (2003) | 1.52 in (2006) |
| June 26 | 93.9°F (2019) | 75.0°F (1999) | 0.75 in (2002) |
| June 27 | 93.9°F (1998) | 77.0°F (2000) | 0.58 in (2003) |
| June 28 | 93.0°F (1998) | 73.9°F (2001) | 0.39 in (2001) |
| June 29 | 95.0°F (1998) | 73.0°F (2021) | 0.68 in (2016) |
| June 30 | 93.9°F (2015) | 73.9°F (2012) | 1.54 in (2012) |