Harris County (Houston)
January
Weather in Harris County for January 2026
Your guide to Harris County weather in January - trends and predictions
Snowfall in Harris County during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Harris County at the beginning of January is 18.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 17 °F by the end of January.
Harris County in January brings notable rainfall, with an average of 17 rainy days and a total precipitation of 120.9 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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13
Dry days
17
Rainy days
1
Snow days
17°/10°
Temperatures
18 km/h
Avg max wind
62 %
Avg humidity
Harris County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  21° | 2 17° | 3  17° | ||||
| 4 19° | 5 21° | 6 19° | 7 16° | 8 17° | 9  15° | 10  15° |
| 11 17° | 12  16° | 13 16° | 14 17° | 15 14° | 16 15° | 17 19° |
| 18 21° | 19 17° | 20 12° | 21 10° | 22 15° | 23 16° | 24 17° |
| 25 17° | 26 17° | 27  16° | 28 15° | 29 18° | 30 19° | 31 17° |
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Temperatures trend during January in Harris County
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Sunny | 21° /12° | 0.5 mm | 0 cm | |
| Jan. 2 | Sunny | 17° /9° | 5.4 mm | 0 cm | |
| Jan. 3 | Overcast | 17° /9° | 2.3 mm | 0 cm | |
| Jan. 4 | Overcast | 19° /10° | 0 mm | 0 cm | |
| Jan. 5 | Sunny | 21° /11° | 8 mm | 0 cm | |
| Jan. 6 | Sunny | 19° /9° | 3.5 mm | 0 cm | |
| Jan. 7 | Sunny | 16° /8° | 1.3 mm | 0 cm | |
| Jan. 8 | Sunny | 17° /10° | 5.1 mm | 0 cm | |
| Jan. 9 | Cloudy | 15° /8° | 12.6 mm | 0 cm | |
| Jan. 10 | Moderate or heavy rain shower | 15° /6° | 19.9 mm | 0.2 cm | |
| Jan. 11 | Overcast | 17° /7° | 0.2 mm | 0 cm | |
| Jan. 12 | Patchy rain possible | 16° /7° | 1.1 mm | 0 cm | |
| Jan. 13 | Sunny | 16° /6° | 0 mm | 0 cm | |
| Jan. 14 | Sunny | 17° /6° | 0 mm | 0 cm | |
| Jan. 15 | Overcast | 14° /7° | 1.6 mm | 0 cm | |
| Jan. 16 | Sunny | 15° /6° | 0.3 mm | 0 cm | |
| Jan. 17 | Overcast | 19° /6° | 0 mm | 0 cm | |
| Jan. 18 | Overcast | 21° /10° | 1.2 mm | 0 cm | |
| Jan. 19 | Sunny | 17° /9° | 5.1 mm | 0 cm | |
| Jan. 20 | Overcast | 12° /6° | 0.4 mm | 0 cm | |
| Jan. 21 | Moderate rain at times | 10° /6° | 8 mm | 2.1 cm | |
| Jan. 22 | Sunny | 15° /7° | 17.3 mm | 0 cm | |
| Jan. 23 | Overcast | 16° /8° | 1.4 mm | 0 cm | |
| Jan. 24 | Moderate or heavy rain shower | 17° /11° | 25.1 mm | 0 cm | |
| Jan. 25 | Overcast | 17° /10° | 0.7 mm | 0 cm | |
| Jan. 26 | Overcast | 17° /10° | 4.7 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 16° /9° | 0.2 mm | 0 cm | |
| Jan. 28 | Partly cloudy | 15° /8° | 1.2 mm | 0 cm | |
| Jan. 29 | Sunny | 18° /9° | 8.8 mm | 0 cm | |
| Jan. 30 | Patchy rain possible | 19° /10° | 1 mm | 0 cm | |
| Jan. 31 | Sunny | 17° /10° | 1.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Harris County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harris County forecast closer to your planned date for the most up-to-date weather information.
Harris County in January - FAQ
What are the expected maximum and minimum temperatures in Harris County during January?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harris County during January?
Significant rainfall exceeding 120.9 mm is expected in Harris County during January, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Harris County in January 2026?
Harris County typically sees 0.2175 cm of snowfall during January.
What are the typical wind conditions in Harris County during January?
The average wind speed in Harris County during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Harris County snow forecast January 2026
Track daily snowfall levels and discover Harris County’s snowy potential this January ❄️
January rainfall patterns in Harris County
Explore the daily rainfall trends and prepare for Harris Countys January weather 💧
UV exposure in Harris County during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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Where is Harris County?Get accurate weather forecasts for Harris County, located at latitude 29.763 and longitude -95.363. Stay updated with localized weather information tailored for Harris County.
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