July weather in Marathon, NY
The average temperature in Marathon in July is 69.4°F (57.5°F–81.3°F). Average precipitation: 3.91 inches.
July is a summer month in Marathon, and is warmer than the annual average of 46.8°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Daylight averages about 14h 49m. For travel, July is a comfortable month to visit.
Avg High
81.3°F
Avg Low
57.5°F
Precipitation
3.91 in
Daylight
14h 49m
July records in Marathon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 91.0°F (2018) | 46.9°F (2011) | 0.99 in (2015) |
| July 2 | 91.9°F (2018) | 48.9°F (2011) | 1.09 in (2022) |
| July 3 | 91.9°F (2018) | 46.9°F (2015) | 0.79 in (2018) |
| July 4 | 87.1°F (2018) | 48.0°F (2015) | 1.58 in (2023) |
| July 5 | 89.1°F (2012) | 52.0°F (2017) | 0.42 in (1948) |
| July 6 | 87.1°F (2013) | 48.9°F (2014) | 0.69 in (1948) |
| July 7 | 91.0°F (2012) | 48.9°F (2014) | 0.58 in (2019) |
| July 8 | 89.1°F (2025) | 52.0°F (2018) | 0.74 in (2014) |
| July 9 | 88.0°F (2024) | 50.0°F (2017) | 0.17 in (2021) |
| July 10 | 91.9°F (2020) | 48.9°F (2022) | 0.57 in (2021) |
| July 11 | 91.0°F (2024) | 51.1°F (2012) | 0.98 in (2020) |
| July 12 | 88.0°F (2011) | 51.1°F (2018) | 1.81 in (2021) |
| July 13 | 90.0°F (2016) | 51.1°F (2018) | 1.05 in (1948) |
| July 14 | 89.1°F (2016) | 52.0°F (2011) | 1.48 in (2017) |
| July 15 | 89.1°F (2018) | 50.0°F (2022) | 1.56 in (2017) |
| July 16 | 89.1°F (2024) | 48.0°F (2015) | 0.25 in (2012) |
| July 17 | 90.0°F (2018) | 48.0°F (2015) | 1.08 in (2018) |
| July 18 | 95.0°F (2012) | 52.0°F (2014) | 1.24 in (2021) |
| July 19 | 90.0°F (2013) | 48.9°F (2018) | 0.50 in (2011) |
| July 20 | 93.0°F (2019) | 48.9°F (2018) | 1.15 in (1950) |
| July 21 | 91.9°F (2022) | 52.0°F (2016) | 0.49 in (2021) |
| July 22 | 99.0°F (2011) | 51.1°F (2025) | 0.42 in (2015) |
| July 23 | 95.0°F (2011) | 51.1°F (2015) | 2.26 in (2013) |
| July 24 | 91.9°F (2022) | 51.1°F (2015) | 0.58 in (2017) |
| July 25 | 91.0°F (2016) | 46.9°F (2013) | 1.34 in (2018) |
| July 26 | 87.1°F (2020) | 46.9°F (2013) | 0.94 in (2016) |
| July 27 | 87.1°F (2020) | 46.9°F (2013) | 1.16 in (1951) |
| July 28 | 93.9°F (2020) | 53.1°F (2024) | 1.54 in (1951) |
| July 29 | 89.1°F (2025) | 53.1°F (2014) | 0.92 in (1949) |
| July 30 | 89.1°F (2025) | 48.9°F (2017) | 0.76 in (1949) |
| July 31 | 89.1°F (2025) | 48.0°F (2021) | 1.43 in (2016) |