May weather in Marietta, NC
The average temperature in Marietta in May is 69.2°F (57.9°F–80.4°F). Average precipitation: 4.14 inches.
May is a spring month in Marietta, and is warmer than the annual average of 61.6°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Daylight averages about 13h 48m. For travel, May is a comfortable month to visit.
Avg High
80.4°F
Avg Low
57.9°F
Precipitation
4.14 in
Daylight
13h 48m
May records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (2007) | 39.0°F (2018) | 0.85 in (2020) |
| May 2 | 90.0°F (2007) | 41.0°F (2018) | 1.87 in (2016) |
| May 3 | 91.0°F (2010) | 42.1°F (2023) | 0.70 in (2016) |
| May 4 | 88.0°F (2010) | 37.9°F (2023) | 0.15 in (2008) |
| May 5 | 89.1°F (2021) | 42.1°F (2011) | 0.60 in (2009) |
| May 6 | 89.1°F (2012) | 45.0°F (2011) | 1.78 in (2020) |
| May 7 | 89.1°F (2010) | 41.0°F (2020) | 0.83 in (2009) |
| May 8 | 91.0°F (2010) | 39.9°F (2021) | 0.76 in (2009) |
| May 9 | 91.9°F (2010) | 42.1°F (2021) | 1.70 in (2024) |
| May 10 | 95.0°F (2023) | 39.0°F (2020) | 1.40 in (2012) |
| May 11 | 87.1°F (2008) | 50.0°F (2022) | 1.67 in (2011) |
| May 12 | 91.9°F (2018) | 37.9°F (2020) | 1.25 in (2025) |
| May 13 | 93.0°F (2018) | 37.9°F (2020) | 1.85 in (2025) |
| May 14 | 89.1°F (2010) | 39.9°F (2013) | 0.21 in (2012) |
| May 15 | 91.9°F (2018) | 44.1°F (2019) | 0.77 in (2011) |
| May 16 | 89.1°F (2010) | 45.0°F (2016) | 5.35 in (2014) |
| May 17 | 90.0°F (2017) | 46.0°F (2014) | 0.25 in (2010) |
| May 18 | 90.0°F (2019) | 46.9°F (2009) | 2.20 in (2012) |
| May 19 | 93.0°F (2019) | 46.0°F (2009) | 0.85 in (2020) |
| May 20 | 88.0°F (2019) | 48.0°F (2012) | 0.55 in (2013) |
| May 21 | 89.1°F (2017) | 51.1°F (2007) | 2.95 in (2020) |
| May 22 | 91.0°F (2025) | 51.1°F (2008) | 0.65 in (2013) |
| May 23 | 91.0°F (2014) | 50.0°F (2016) | 1.03 in (2017) |
| May 24 | 93.0°F (2021) | 50.0°F (2025) | 1.91 in (2013) |
| May 25 | 95.0°F (2019) | 42.1°F (2013) | 0.85 in (2018) |
| May 26 | 93.9°F (2019) | 50.0°F (2008) | 0.50 in (2025) |
| May 27 | 98.1°F (2019) | 48.9°F (2013) | 0.79 in (2009) |
| May 28 | 98.1°F (2019) | 48.9°F (2023) | 1.48 in (2014) |
| May 29 | 98.1°F (2019) | 54.0°F (2008) | 1.10 in (2018) |
| May 30 | 98.1°F (2019) | 55.0°F (2021) | 2.45 in (2009) |
| May 31 | 97.0°F (2019) | 62.1°F (2008) | 1.78 in (2012) |