Houston weather in January
In January, Houston has an average high of 16 °C61 °F and an average low of 5 °C41 °F, with about 89 mm3.5 in of precipitation. January is the coldest month of the year and ranks 9th for precipitation.
How January compares with other months
Compared with December, January is 1.4 °C2.5 °F cooler on average and drier by 7 mm0.3 in. Compared with February, January is 2.2 °C4 °F cooler on average and wetter by 19 mm0.8 in. Daylight lasts about 10.4 hours around the middle of the month. Average relative humidity is 81% and the average cloud amount 59%.
Is January a good time to visit Houston?
January is not among the most comfortable months by our comfort score: it is cool (average high 16 °C61 °F), nights are cold (average low 5 °C41 °F) and it is fairly wet (89 mm3.5 in). The most comfortable months in Houston are February–April and November.
What to wear in January
For Houston in January, pack long sleeves, a sweater and a medium jacket and an extra layer for the cooler mornings and evenings.
January in nearby places
| Place | High °C°F | Low °C°F | Precip. mmin |
|---|---|---|---|
| Houston | 1661 | 541 | 893.5 |
| Pasadena | 1661 | 846 | 1094.3 |
| Beaumont | 1660 | 642 | 1134.5 |
| College Station | 1559 | 338 | 783.1 |
| Austin | 1660 | 338 | 582.3 |
| Waco | 1458 | 236 | 662.6 |
| Killeen | 1559 | 236 | 562.2 |
| Tyler | 1254 | 134 | 893.5 |
| Corpus Christi | 1967 | 947 | 401.6 |
Nearby places that are more than 1 °C1.8 °F warmer in January: Pasadena and Corpus Christi; cooler: College Station, Waco, Killeen and Tyler.
Other months in Houston
- January16 °C61 °F / 5 °C41 °F
- February19 °C65 °F / 7 °C45 °F
- March23 °C73 °F / 11 °C52 °F
- April26 °C80 °F / 15 °C59 °F
- May31 °C87 °F / 19 °C67 °F
- June34 °C92 °F / 23 °C73 °F
- July34 °C93 °F / 24 °C75 °F
- August35 °C94 °F / 24 °C75 °F
- September32 °C89 °F / 21 °C70 °F
- October28 °C82 °F / 16 °C60 °F
- November22 °C72 °F / 10 °C51 °F
- December18 °C64 °F / 6 °C43 °F
Frequently asked questions
How warm is Houston in January?
In January the average high in Houston is 16 °C (61 °F) and the average low is 5 °C (41 °F).
Does it rain a lot in Houston in January?
On average about 89 mm (3.5 in) of precipitation falls in January; it ranks 9th of the 12 months.
Is January the warmest month in Houston?
No. The warmest month in Houston is August, with an average high of 35 °C (94 °F). The coldest month is January, with an average low of 5 °C (41 °F).
How long is the day in Houston in January?
In the middle of January the day in Houston lasts about 10.4 hours from sunrise to sunset. The value is calculated from the position of the city and the sun.
How humid is Houston in January?
The average relative humidity in January is about 81%. This is a long-term average for the whole day.
How cloudy is Houston in January?
On average about 59% of the sky is covered by cloud in January. This is the mean cloud amount from satellite data, not the number of sunny days.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.