May weather in Mertzon, TX
The average temperature in Mertzon in May is 72.7°F (58.5°F–86.9°F). Average precipitation: 2.64 inches.
May is a spring month in Mertzon, and is warmer than the annual average of 63.9°F. Daily temperatures swing about 28.4°F between overnight low and afternoon high. Daylight averages about 13h 35m. For travel, May is a comfortable month to visit.
Avg High
86.9°F
Avg Low
58.5°F
Precipitation
2.64 in
Daylight
13h 35m
May records in Mertzon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (2013) | 37.9°F (2023) | 0.19 in (2021) |
| May 2 | 97.0°F (2013) | 39.0°F (2017) | 0.22 in (2011) |
| May 3 | 104.0°F (2020) | 32.0°F (2013) | 0.77 in (2018) |
| May 4 | 102.9°F (2020) | 32.0°F (2013) | 0.11 in (2018) |
| May 5 | 102.9°F (2020) | 39.0°F (2017) | 0.00 in (2009) |
| May 6 | 102.0°F (2014) | 39.9°F (2017) | 0.00 in (2009) |
| May 7 | 100.0°F (2014) | 45.0°F (2013) | 0.06 in (2013) |
| May 8 | 106.0°F (2022) | 46.0°F (2013) | 0.32 in (2014) |
| May 9 | 105.1°F (2009) | 45.0°F (2020) | 0.17 in (2016) |
| May 10 | 104.0°F (2022) | 39.0°F (2020) | 0.65 in (2015) |
| May 11 | 97.0°F (2014) | 46.0°F (2019) | 0.95 in (2019) |
| May 12 | 96.1°F (2014) | 46.0°F (2019) | 0.48 in (2021) |
| May 13 | 97.0°F (2022) | 44.1°F (2017) | 0.19 in (2015) |
| May 14 | 100.0°F (2022) | 37.0°F (2014) | 2.10 in (2023) |
| May 15 | 99.0°F (2022) | 37.0°F (2014) | 0.85 in (2010) |
| May 16 | 102.9°F (2022) | 39.9°F (2014) | 0.85 in (2018) |
| May 17 | 102.0°F (2022) | 53.1°F (2020) | 1.03 in (2017) |
| May 18 | 102.9°F (2013) | 48.9°F (2009) | 2.69 in (2019) |
| May 19 | 106.0°F (2022) | 48.0°F (2019) | 1.40 in (2016) |
| May 20 | 106.0°F (2020) | 46.9°F (2009) | 0.30 in (2019) |
| May 21 | 104.0°F (2022) | 44.1°F (2011) | 1.50 in (2023) |
| May 22 | 102.9°F (2020) | 51.1°F (2013) | 0.12 in (2017) |
| May 23 | 93.9°F (2013) | 52.0°F (2013) | 0.15 in (2017) |
| May 24 | 99.0°F (2011) | 45.0°F (2017) | 1.56 in (2013) |
| May 25 | 100.0°F (2011) | 46.0°F (2017) | 2.63 in (2014) |
| May 26 | 100.0°F (2017) | 48.0°F (2022) | 1.90 in (2014) |
| May 27 | 102.0°F (2018) | 52.0°F (2022) | 0.67 in (2016) |
| May 28 | 106.0°F (2011) | 51.1°F (2016) | 0.00 in (2009) |
| May 29 | 108.0°F (2011) | 55.9°F (2009) | 0.52 in (2021) |
| May 30 | 100.0°F (2022) | 52.0°F (2020) | 0.22 in (2019) |
| May 31 | 102.9°F (2018) | 55.0°F (2020) | 0.00 in (2010) |