May weather in Guymon, OK
The average temperature in Guymon in May is 66.0°F (51.4°F–80.6°F). Average precipitation: 2.25 inches.
May is a spring month in Guymon, and is warmer than the annual average of 57.6°F. Daily temperatures swing about 29.2°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 13h 57m. For travel, May is a comfortable month to visit.
Avg High
80.6°F
Avg Low
51.4°F
Precipitation
2.25 in
Daylight
13h 57m
May records in Guymon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.9°F (2020) | 34.0°F (2013) | 1.26 in (1999) |
| May 2 | 93.9°F (2012) | 30.2°F (2013) | 0.38 in (2017) |
| May 3 | 91.9°F (2014) | 28.2°F (2013) | 0.33 in (2021) |
| May 4 | 99.0°F (2014) | 32.0°F (2013) | 0.47 in (2001) |
| May 5 | 98.1°F (2012) | 34.0°F (2013) | 1.51 in (2015) |
| May 6 | 96.1°F (2004) | 37.9°F (2013) | 1.48 in (2025) |
| May 7 | 102.9°F (2022) | 35.1°F (1999) | 0.94 in (2006) |
| May 8 | 99.0°F (2011) | 37.9°F (2010) | 0.13 in (2000) |
| May 9 | 102.0°F (2022) | 37.9°F (2002) | 0.47 in (2006) |
| May 10 | 100.0°F (2022) | 36.0°F (2019) | 0.40 in (2017) |
| May 11 | 96.1°F (2002) | 33.1°F (2008) | 0.21 in (2011) |
| May 12 | 102.9°F (2022) | 37.9°F (2020) | 0.91 in (2024) |
| May 13 | 95.0°F (2003) | 35.1°F (2000) | 0.47 in (2015) |
| May 14 | 93.0°F (2013) | 34.0°F (2004) | 0.71 in (2010) |
| May 15 | 93.9°F (2022) | 39.0°F (2014) | 0.57 in (2017) |
| May 16 | 93.9°F (2001) | 37.9°F (2011) | 0.84 in (2002) |
| May 17 | 105.1°F (2022) | 43.0°F (2009) | 2.58 in (2001) |
| May 18 | 100.9°F (2013) | 39.0°F (1999) | 0.64 in (2023) |
| May 19 | 104.0°F (2022) | 37.9°F (2000) | 0.86 in (2015) |
| May 20 | 97.0°F (2006) | 39.0°F (2017) | 1.25 in (2019) |
| May 21 | 102.0°F (2005) | 39.9°F (2001) | 0.57 in (2023) |
| May 22 | 95.0°F (2012) | 36.0°F (2019) | 0.96 in (2014) |
| May 23 | 102.9°F (2012) | 48.0°F (2007) | 1.23 in (2015) |
| May 24 | 98.1°F (2004) | 39.0°F (2017) | 0.56 in (2022) |
| May 25 | 102.0°F (2006) | 39.9°F (2002) | 0.83 in (2003) |
| May 26 | 102.0°F (2006) | 43.0°F (2011) | 0.47 in (1999) |
| May 27 | 100.9°F (2006) | 46.9°F (2009) | 0.40 in (1999) |
| May 28 | 100.0°F (2006) | 45.0°F (1999) | 1.46 in (2018) |
| May 29 | 106.0°F (2011) | 46.9°F (2017) | 0.69 in (2001) |
| May 30 | 100.0°F (2011) | 45.0°F (2019) | 1.13 in (2021) |
| May 31 | 100.9°F (2002) | 39.0°F (2004) | 1.16 in (2023) |