May weather in Stillwater, OK
The average temperature in Stillwater in May is 68.5°F (57.5°F–79.4°F). Average precipitation: 4.71 inches.
May is a spring month in Stillwater, and is warmer than the annual average of 60.2°F. Daily temperatures swing about 21.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 13h 55m. For travel, May is a comfortable month to visit.
Avg High
79.4°F
Avg Low
57.5°F
Precipitation
4.71 in
Daylight
13h 55m
May records in Stillwater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.9°F (2020) | 35.8°F (2014) | 2.02 in (2007) |
| May 2 | 88.9°F (2020) | 33.6°F (2014) | 1.43 in (2022) |
| May 3 | 90.5°F (2012) | 32.2°F (2013) | 0.85 in (2019) |
| May 4 | 98.6°F (2014) | 34.3°F (2005) | 1.86 in (2006) |
| May 5 | 97.3°F (2014) | 39.2°F (2021) | 1.04 in (2015) |
| May 6 | 96.3°F (2023) | 39.9°F (2013) | 1.96 in (2024) |
| May 7 | 92.8°F (2018) | 45.1°F (2010) | 2.33 in (2007) |
| May 8 | 92.8°F (2022) | 39.9°F (2010) | 1.14 in (2019) |
| May 9 | 92.3°F (2011) | 37.9°F (2020) | 0.73 in (2013) |
| May 10 | 92.8°F (2005) | 42.3°F (2019) | 0.56 in (2017) |
| May 11 | 91.0°F (2022) | 42.4°F (2008) | 1.02 in (2011) |
| May 12 | 92.8°F (2022) | 40.3°F (2013) | 0.88 in (2023) |
| May 13 | 90.9°F (2018) | 40.8°F (2021) | 3.10 in (2005) |
| May 14 | 97.2°F (2025) | 43.0°F (2002) | 1.41 in (2010) |
| May 15 | 90.7°F (2022) | 39.4°F (2014) | 0.50 in (2009) |
| May 16 | 88.7°F (2012) | 37.6°F (2014) | 1.61 in (2003) |
| May 17 | 90.9°F (2012) | 44.2°F (2011) | 2.52 in (2002) |
| May 18 | 90.5°F (2013) | 44.2°F (2002) | 0.77 in (2019) |
| May 19 | 97.0°F (2006) | 48.0°F (2016) | 2.81 in (2010) |
| May 20 | 96.8°F (2006) | 49.6°F (2023) | 4.30 in (2019) |
| May 21 | 95.7°F (2005) | 45.7°F (2015) | 2.64 in (2019) |
| May 22 | 97.2°F (2005) | 45.7°F (2022) | 0.80 in (2020) |
| May 23 | 92.7°F (2012) | 52.5°F (2017) | 2.41 in (2022) |
| May 24 | 93.4°F (2006) | 49.1°F (2017) | 1.96 in (2022) |
| May 25 | 99.3°F (2006) | 48.2°F (2002) | 1.88 in (2019) |
| May 26 | 93.4°F (2006) | 50.0°F (2003) | 1.56 in (2008) |
| May 27 | 94.1°F (2017) | 48.0°F (2022) | 1.87 in (2007) |
| May 28 | 94.1°F (2012) | 49.5°F (2005) | 0.58 in (2008) |
| May 29 | 94.1°F (2006) | 51.8°F (2021) | 1.44 in (2013) |
| May 30 | 93.7°F (2003) | 52.3°F (2021) | 1.72 in (2013) |
| May 31 | 92.8°F (2009) | 48.0°F (2004) | 0.87 in (2018) |