January weather in Jonestown, TX
The average temperature in Jonestown in January is 48.6°F (37.6°F–59.7°F). Average precipitation: 2.59 inches.
January is a winter month in Jonestown, and is cooler than the annual average of 67.3°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 14m. For travel, January is cool.
Avg High
59.7°F
Avg Low
37.6°F
Precipitation
2.59 in
Daylight
10h 14m
January records in Jonestown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 79.0°F (2012) | 21.9°F (2018) | 1.13 in (2021) |
| January 2 | 75.0°F (2023) | 21.9°F (2022) | 0.42 in (2019) |
| January 3 | 78.1°F (2023) | 18.0°F (2018) | 1.63 in (2019) |
| January 4 | 82.0°F (2009) | 19.0°F (2018) | 0.08 in (2013) |
| January 5 | 72.0°F (2021) | 24.1°F (2010) | 0.25 in (2013) |
| January 6 | 77.0°F (2008) | 19.0°F (2014) | 0.42 in (2009) |
| January 7 | 81.0°F (2026) | 16.0°F (2017) | 0.14 in (2016) |
| January 8 | 79.0°F (2026) | 16.0°F (2017) | 0.12 in (2024) |
| January 9 | 80.1°F (2009) | 14.0°F (2010) | 1.87 in (2013) |
| January 10 | 79.0°F (2009) | 14.0°F (2010) | 0.96 in (2025) |
| January 11 | 82.0°F (2023) | 18.0°F (2010) | 2.14 in (2020) |
| January 12 | 77.0°F (2017) | 25.0°F (2011) | 0.36 in (2019) |
| January 13 | 77.0°F (2017) | 28.0°F (2009) | 0.06 in (2017) |
| January 14 | 73.9°F (2017) | 23.0°F (2024) | 0.61 in (2017) |
| January 15 | 75.0°F (2022) | 15.1°F (2024) | 0.95 in (2010) |
| January 16 | 77.0°F (2020) | 16.0°F (2024) | 1.35 in (2010) |
| January 17 | 73.9°F (2023) | 14.0°F (2018) | 0.44 in (2007) |
| January 18 | 79.0°F (2023) | 14.0°F (2018) | 1.72 in (2017) |
| January 19 | 73.9°F (2009) | 26.1°F (2025) | 1.03 in (2017) |
| January 20 | 81.0°F (2012) | 21.9°F (2025) | 0.11 in (2021) |
| January 21 | 79.0°F (2014) | 21.9°F (2025) | 0.07 in (2021) |
| January 22 | 78.1°F (2017) | 21.0°F (2025) | 2.21 in (2024) |
| January 23 | 79.0°F (2009) | 21.9°F (2025) | 0.93 in (2015) |
| January 24 | 80.1°F (2009) | 21.9°F (2014) | 1.04 in (2026) |
| January 25 | 80.1°F (2017) | 17.1°F (2026) | 2.89 in (2012) |
| January 26 | 79.0°F (2013) | 16.0°F (2026) | 0.10 in (2025) |
| January 27 | 75.0°F (2014) | 16.0°F (2026) | 0.29 in (2019) |
| January 28 | 79.0°F (2015) | 18.0°F (2026) | 1.35 in (2006) |
| January 29 | 80.1°F (2015) | 21.0°F (2014) | 0.97 in (2010) |
| January 30 | 80.1°F (2013) | 23.0°F (2014) | 0.34 in (2025) |
| January 31 | 80.1°F (2011) | 27.0°F (2023) | 0.78 in (2025) |