January weather in Mertzon, TX
The average temperature in Mertzon in January is 43.8°F (29.3°F–58.2°F). Average precipitation: 0.89 inches.
January is a winter month in Mertzon, and is cooler than the annual average of 63.9°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Daylight averages about 10h 11m. For travel, January is cool.
Avg High
58.2°F
Avg Low
29.3°F
Precipitation
0.89 in
Daylight
10h 11m
January records in Mertzon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 80.1°F (2012) | 12.9°F (2018) | 0.60 in (2021) |
| January 2 | 80.1°F (2023) | 12.0°F (2018) | 0.22 in (2015) |
| January 3 | 79.0°F (2009) | 12.9°F (2018) | 0.41 in (2015) |
| January 4 | 79.0°F (2009) | 14.0°F (2022) | 0.61 in (2013) |
| January 5 | 79.0°F (2009) | 16.0°F (2010) | 0.02 in (2013) |
| January 6 | 70.0°F (2019) | 12.9°F (2014) | 0.02 in (2009) |
| January 7 | 77.0°F (2023) | 8.1°F (2017) | 0.02 in (2016) |
| January 8 | 68.0°F (2009) | 8.1°F (2017) | 0.01 in (2013) |
| January 9 | 75.9°F (2009) | 7.0°F (2010) | 0.68 in (2012) |
| January 10 | 82.9°F (2009) | 7.0°F (2010) | 0.62 in (2013) |
| January 11 | 82.0°F (2023) | 9.0°F (2010) | 0.50 in (2021) |
| January 12 | 81.0°F (2017) | 18.0°F (2018) | 0.36 in (2019) |
| January 13 | 73.9°F (2014) | 17.1°F (2018) | 0.00 in (2009) |
| January 14 | 79.0°F (2020) | 19.0°F (2009) | 0.01 in (2017) |
| January 15 | 79.0°F (2022) | 12.9°F (2024) | 0.46 in (2017) |
| January 16 | 69.1°F (2023) | 10.0°F (2024) | 0.22 in (2020) |
| January 17 | 73.9°F (2023) | 6.1°F (2018) | 0.43 in (2020) |
| January 18 | 75.9°F (2023) | 10.9°F (2018) | 0.61 in (2017) |
| January 19 | 77.0°F (2022) | 24.1°F (2013) | 0.00 in (2009) |
| January 20 | 78.1°F (2012) | 23.0°F (2024) | 0.19 in (2021) |
| January 21 | 81.0°F (2012) | 9.0°F (2022) | 0.06 in (2021) |
| January 22 | 78.1°F (2009) | 9.0°F (2022) | 0.66 in (2015) |
| January 23 | 84.9°F (2009) | 17.1°F (2011) | 0.26 in (2015) |
| January 24 | 81.0°F (2009) | 17.1°F (2018) | 0.37 in (2023) |
| January 25 | 82.9°F (2013) | 18.0°F (2018) | 0.14 in (2012) |
| January 26 | 72.0°F (2009) | 19.0°F (2011) | 0.80 in (2012) |
| January 27 | 77.0°F (2020) | 21.0°F (2017) | 0.07 in (2016) |
| January 28 | 78.1°F (2015) | 12.9°F (2009) | 0.13 in (2017) |
| January 29 | 82.0°F (2015) | 7.0°F (2014) | 0.03 in (2020) |
| January 30 | 77.0°F (2011) | 7.0°F (2014) | 0.00 in (2009) |
| January 31 | 82.0°F (2016) | 19.0°F (2009) | 0.12 in (2022) |