Jonestown Weather in January
Average highs run from 59°F on January 1 to 62°F on January 31, and lows from 37°F to 39°F. Normal precipitation for the month is 2.59 in over about 7 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 60°F
- Average low
- 38°F
- Precipitation
- 2.59 in
- Record high
- 83°FJan 2, 2026
- Record low
- 12°FJan 17, 2018
- Chance of a freeze
- 100%
- Daylight
- 10 h 13 min to 10 h 44 min
- Cloud cover
- 57%
- Humidity
- 71%
- Dew point
- 38°F
- Wind
- 10.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jan 1 | 59°F | 37°F | 78°F 2022 | 19°F 2018 | 24% | 0% |
| Jan 2 | 59°F | 37°F | 83°F 2026 | 20°F 2022 | 24% | 0% |
| Jan 3 | 59°F | 37°F | 81°F 2009 | 20°F 2018 | 24% | 0% |
| Jan 4 | 59°F | 37°F | 73°F 2021 | 27°F 2010 | 24% | 0% |
| Jan 5 | 59°F | 37°F | 77°F 2020 | 25°F 2015 | 24% | 0% |
| Jan 6 | 59°F | 37°F | 83°F 2026 | 16°F 2014 | 24% | 0% |
| Jan 7 | 59°F | 37°F | 79°F 2026 | 15°F 2017 | 24% | 0% |
| Jan 8 | 59°F | 37°F | 78°F 2009 | 18°F 2015 | 24% | 0% |
| Jan 9 | 59°F | 37°F | 76°F 2009 | 15°F 2010 | 24% | 0% |
| Jan 10 | 59°F | 37°F | 83°F 2023 | 23°F 2010 | 24% | 0% |
| Jan 11 | 59°F | 37°F | 83°F 2023 | 24°F 2011 | 23% | 1% |
| Jan 12 | 59°F | 37°F | 77°F 2017 | 23°F 2011 | 23% | 1% |
| Jan 13 | 59°F | 37°F | 73°F 2022 | 27°F 2018 | 23% | 1% |
| Jan 14 | 59°F | 37°F | 76°F 2020 | 14°F 2024 | 23% | 1% |
| Jan 15 | 59°F | 37°F | 79°F 2020 | 13°F 2024 | 23% | 1% |
| Jan 16 | 59°F | 38°F | 76°F 2023 | 14°F 2024 | 23% | 1% |
| Jan 17 | 59°F | 38°F | 79°F 2023 | 12°F 2018 | 23% | 1% |
| Jan 18 | 60°F | 38°F | 74°F 2024 | 24°F 2018 | 23% | 1% |
| Jan 19 | 60°F | 38°F | 80°F 2012 | 22°F 2025 | 23% | 1% |
| Jan 20 | 60°F | 38°F | 79°F 2014 | 19°F 2025 | 23% | 1% |
| Jan 21 | 60°F | 38°F | 77°F 2017 | 22°F 2022 | 23% | 1% |
| Jan 22 | 60°F | 38°F | 80°F 2009 | 21°F 2025 | 23% | 1% |
| Jan 23 | 60°F | 38°F | 82°F 2009 | 21°F 2014 | 23% | 1% |
| Jan 24 | 61°F | 38°F | 82°F 2017 | 20°F 2026 | 23% | 1% |
| Jan 25 | 61°F | 38°F | 79°F 2013 | 15°F 2026 | 23% | 1% |
| Jan 26 | 61°F | 38°F | 78°F 2014 | 15°F 2026 | 23% | 1% |
| Jan 27 | 61°F | 39°F | 80°F 2015 | 20°F 2026 | 24% | 1% |
| Jan 28 | 62°F | 39°F | 79°F 2015 | 22°F 2014 | 24% | 1% |
| Jan 29 | 62°F | 39°F | 79°F 2013 | 24°F 2014 | 24% | 1% |
| Jan 30 | 62°F | 39°F | 78°F 2011 | 26°F 2010 | 24% | 1% |
| Jan 31 | 62°F | 39°F | 81°F 2016 | 25°F 2023 | 24% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- January 1
- sunrise 7:29 AM, sunset 5:42 PM
- January 31
- sunrise 7:23 AM, sunset 6:07 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410433 (Austin Great Hills), public domain. Records: NOAA GHCN-Daily, station USW00023907, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.