January is one of the cooler months of the year in New Braunfels, with average highs near 16.9°C and lows around 4.4°C (mean 10.6°C). It is one of the drier months, averaging 50 mm of rainfall and 72% relative humidity across the period.
January is one of the cooler months of the year in New Braunfels. Across 45 years of records, the warmest January in New Braunfels was 2006 — when the month averaged 15.1°C — while the coldest was 1985 at 6.1°C. Typical January days reach 16.9°C with nights near 4.4°C. The long-term trend is warming, about 0.3°C per decade.
January is one of the drier months in New Braunfels, averaging 50 mm of rainfall. The wettest January on record was 2024 with 164 mm, while the driest was 1996 at 3 mm.
Relative humidity in New Braunfels during January averages 72%. The most humid January was 1992 at 84%, and the least humid was 2006 at 51%.
January receives about 3 kWh/m²/day of solar energy in New Braunfels. The sunniest January was 2006 at 3.7 kWh/m²/day, and the cloudiest was 1993 at 2.3.
Average wind speed in New Braunfels during January is 2.8 m/s. The windiest January was 1996 at 3.3 m/s, while the calmest were 1981 and 1992 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.5°C | 10.8°C | 11.5°C | 10.3°C | 11.4°C | +1.9°C |
| Avg High | 15.6°C | 17.0°C | 17.7°C | 16.6°C | 17.8°C | +2.2°C |
| Avg Low | 3.4°C | 4.7°C | 5.4°C | 4.0°C | 4.9°C | +1.5°C |
| Avg Rain | 40 mm | 50 mm | 45 mm | 55 mm | 62 mm | +21 mm |
January temperatures in New Braunfels have risen by about 1.9°C between 1981–1985 and 2021–2025.
January has ranged from a record low of -9.3°C (1982) to a record high of 29.7°C (1989).
Rainfall in January is one of the drier months, averaging 50 mm, with a wettest year of 164 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit New Braunfels
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting New Braunfels. That said, January — with days averaging 16.9°C and nights around 4.4°C (mean 10.6°C) and moderate rainfall (50 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 15.5°C | 9.1°C | 2.7°C | 24.9°C | -5.8°C | 42 mm | 65% | 2.9 m/s | 2.9 |
| 2024 🌧️ | 15.5°C | 9.3°C | 3.2°C | 23.4°C | -6.7°C | 164 mm | 70% | 2.9 m/s | 3.2 |
| 2023 | 19.9°C | 13.5°C | 7.1°C | 26.7°C | 0.0°C | 51 mm | 70% | 2.7 m/s | 3.3 |
| 2022 | 16.9°C | 10.2°C | 3.5°C | 25.5°C | -2.1°C | 38 mm | 62% | 2.7 m/s | 3.3 |
| 2021 | 18.6°C | 11.7°C | 4.7°C | 26.0°C | -2.4°C | 28 mm | 71% | 2.7 m/s | 3.3 |
| 2020 | 20.5°C | 14.3°C | 8.0°C | 27.6°C | 1.5°C | 47 mm | 72% | 2.6 m/s | 3.1 |
| 2019 | 16.0°C | 10.4°C | 4.8°C | 24.1°C | -1.4°C | 62 mm | 80% | 2.5 m/s | 3 |
| 2018 | 15.5°C | 9.0°C | 2.4°C | 23.5°C | -6.4°C | 11 mm | 66% | 2.6 m/s | 3.1 |
| 2017 | 19.2°C | 13.0°C | 6.8°C | 25.7°C | -6.7°C | 69 mm | 73% | 2.9 m/s | 3.4 |
| 2016 | 16.2°C | 10.0°C | 3.8°C | 24.2°C | -1.4°C | 35 mm | 78% | 2.4 m/s | 3.5 |
| 2015 | 14.3°C | 8.7°C | 3.2°C | 24.9°C | -3.9°C | 75 mm | 75% | 2.7 m/s | 2.8 |
| 2014 | 16.4°C | 9.1°C | 1.9°C | 25.0°C | -4.4°C | 5 mm | 64% | 3 m/s | 3.5 |
| 2013 | 18.0°C | 11.8°C | 5.6°C | 29.0°C | -3.3°C | 74 mm | 73% | 2.8 m/s | 3.1 |
| 2012 | 19.5°C | 12.5°C | 5.5°C | 25.5°C | -0.7°C | 70 mm | 71% | 2.8 m/s | 3.3 |
| 2011 | 16.7°C | 10.0°C | 3.4°C | 25.4°C | -3.3°C | 63 mm | 68% | 2.5 m/s | 3.1 |
| 2010 | 14.1°C | 8.4°C | 2.7°C | 22.8°C | -5.9°C | 91 mm | 80% | 2.7 m/s | 3 |
| 2009 | 19.8°C | 12.4°C | 4.9°C | 28.5°C | -1.2°C | 9 mm | 55% | 2.8 m/s | 3.5 |
| 2008 | 17.4°C | 10.8°C | 4.2°C | 26.9°C | -4.4°C | 15 mm | 65% | 3 m/s | 2.9 |
| 2007 | 13.3°C | 8.3°C | 3.3°C | 23.3°C | -2.8°C | 125 mm | 79% | 2.8 m/s | 2.5 |
| 2006 🔥 | 22.4°C | 15.1°C | 7.8°C | 29.0°C | 2.7°C | 15 mm | 51% | 3.1 m/s | 3.7 |
| 2005 | 17.3°C | 12.2°C | 7.1°C | 25.0°C | -2.1°C | 58 mm | 81% | 2.9 m/s | 2.6 |
| 2004 | 18.1°C | 12.6°C | 7.1°C | 26.7°C | -1.8°C | 72 mm | 73% | 2.7 m/s | 2.6 |
| 2003 | 14.6°C | 9.0°C | 3.4°C | 24.3°C | -4.5°C | 28 mm | 80% | 2.6 m/s | 3.1 |
| 2002 | 18.3°C | 11.8°C | 5.4°C | 26.2°C | -4.7°C | 17 mm | 75% | 2.9 m/s | 3.1 |
| 2001 | 14.8°C | 9.5°C | 4.2°C | 22.7°C | -3.9°C | 70 mm | 81% | 2.7 m/s | 2.8 |
| 2000 | 20.7°C | 13.6°C | 6.5°C | 28.6°C | -4.0°C | 42 mm | 66% | 2.9 m/s | 3.1 |
| 1999 | 18.9°C | 11.9°C | 4.9°C | 25.5°C | -5.5°C | 7 mm | 77% | 2.9 m/s | 3.5 |
| 1998 | 19.6°C | 13.4°C | 7.2°C | 23.9°C | 1.4°C | 84 mm | 80% | 2.8 m/s | 2.9 |
| 1997 | 15.0°C | 9.0°C | 3.1°C | 28.9°C | -4.7°C | 25 mm | 72% | 2.9 m/s | 2.7 |
| 1996 | 18.2°C | 10.5°C | 2.7°C | 26.3°C | -5.8°C | 3 mm | 61% | 3.3 m/s | 3.6 |
| 1995 | 17.3°C | 11.0°C | 4.8°C | 24.1°C | -3.6°C | 17 mm | 75% | 2.7 m/s | 3.3 |
| 1994 | 17.5°C | 11.4°C | 5.2°C | 25.1°C | -3.0°C | 44 mm | 72% | 3 m/s | 2.8 |
| 1993 | 15.4°C | 9.7°C | 4.0°C | 24.6°C | -1.2°C | 49 mm | 80% | 2.5 m/s | 2.3 |
| 1992 | 13.6°C | 9.2°C | 4.8°C | 20.5°C | -4.1°C | 123 mm | 84% | 2.3 m/s | 2.7 |
| 1991 | 15.0°C | 9.2°C | 3.4°C | 23.0°C | -2.8°C | 117 mm | 79% | 2.6 m/s | 2.7 |
| 1990 | 19.7°C | 13.1°C | 6.6°C | 26.1°C | -0.3°C | 33 mm | 67% | 2.8 m/s | 2.9 |
| 1989 | 19.4°C | 13.3°C | 7.2°C | 29.7°C | -1.3°C | 92 mm | 72% | 2.9 m/s | 2.5 |
| 1988 | 14.4°C | 8.1°C | 1.8°C | 24.2°C | -5.4°C | 9 mm | 70% | 2.9 m/s | 3 |
| 1987 | 14.8°C | 9.1°C | 3.4°C | 21.3°C | -3.8°C | 26 mm | 81% | 2.6 m/s | 3.3 |
| 1986 | 17.1°C | 10.7°C | 4.3°C | 23.5°C | -1.2°C | 27 mm | 75% | 2.6 m/s | 3.4 |
| 1985 ❄️ | 11.7°C | 6.1°C | 0.5°C | 22.8°C | -8.0°C | 60 mm | 75% | 2.8 m/s | 2.8 |
| 1984 | 13.6°C | 7.9°C | 2.1°C | 23.3°C | -7.0°C | 56 mm | 70% | 2.8 m/s | 2.9 |
| 1983 | 15.9°C | 9.5°C | 3.1°C | 24.4°C | -2.2°C | 30 mm | 76% | 2.4 m/s | — |
| 1982 | 17.8°C | 10.7°C | 3.6°C | 26.4°C | -9.3°C | 20 mm | 66% | 3.2 m/s | — |
| 1981 | 16.0°C | 10.1°C | 4.3°C | 24.0°C | -2.3°C | 46 mm | 73% | 2.3 m/s | — |
Actual recorded January data for each year, 1981–2025 — sourced from NASA POWER.
The average high in January is around 16.9°C with lows near 4.4°C (mean 10.6°C), based on 45 years of NASA POWER data.
January averages 50 mm of rainfall in New Braunfels, one of the drier months. The wettest on record was 164 mm in 2024.
The hottest January reached 29.7°C in 1989. The coldest dipped to -9.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average January temperatures have risen by about 1.9°C. Daytime highs moved from 15°C to 17.3°C and overnight lows from 2.7°C to 4.2°C over the same span.
January is one of the cooler months of the year in New Braunfels and one of the drier months, so plan for around 16.9°C daytime highs and 4.4°C at night.
Yes — January is the coldest month of the year in New Braunfels, averaging 10.6°C.
For January in New Braunfels, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 4.4°C.
Relative humidity in January averages 72% — moderately humid.
Average wind speed in January is 2.8 m/s. The windiest January on record averaged 3.3 m/s (1996).
The wettest January on record was 2024 with 164 mm. On average, January sees 50 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in New Braunfels behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for January specifically, along with year-by-year records and how the month has changed over the decades.