Houston weather in January: Houston, Texas: normal highs, lows, rain and records for January
Houston in January has a normal high of 64°F and a normal low of 44°F, a daily mean of 54°F, rising from 63°F on the 1st to 65°F by the 31st. Measurable precipitation falls on 10 days in a normal January, 3.76 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 7°C, 96 mm of precipitation in January.
- NOAA stationHouston Intercontinental Airport
- Station IDUSW00012960
- Location29.98°N 95.36°W
- Elevation95 ft (29 m)
- From the center14 miles
- Population2,390,125
- Jan 64° 44°
- Feb 68° 48°
- Mar 74° 54°
- Apr 80° 60°
- May 87° 68°
- Jun 92° 74°
- Jul 95° 76°
- Aug 95° 75°
- Sep 90° 71°
- Oct 83° 61°
- Nov 73° 52°
- Dec 65° 46°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Houston in January?
The normal high is 64°F and the normal low 44°F, for a daily mean of 53.8°F. January is 1.6°F cooler than December and 3.9°F cooler than February. January is the 12th warmest month of the year in Houston and the 10th wettest. Across the month the normal high rises 2°F, from 63°F on January 1 to 65°F on January 31. From one year to the next January's mean temperature typically moves about 3.4°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 50°F and 57°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 63°F | 44°F | 32% | 18% |
| January 8 | 63°F | 43°F | 32% | 18% |
| January 15 | 64°F | 43°F | 33% | 19% |
| January 22 | 64°F | 44°F | 32% | 18% |
| January 31 | 65°F | 45°F | 32% | 18% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 9)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 63°F | 44°F | 32% | 18% | 10 h 10 min |
| January 2 | 63°F | 44°F | 32% | 18% | 10 h 20 min |
| January 3 | 63°F | 44°F | 32% | 18% | 10 h 20 min |
| January 4 | 63°F | 44°F | 32% | 18% | 10 h 20 min |
| January 5 | 63°F | 44°F | 32% | 18% | 10 h 20 min |
| January 6 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 7 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 8 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 9 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 10 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 11 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 12 | 63°F | 43°F | 32% | 18% | 10 h 20 min |
| January 13 | 63°F | 43°F | 32% | 19% | 10 h 20 min |
| January 14 | 63°F | 43°F | 32% | 19% | 10 h 20 min |
| January 15 | 64°F | 43°F | 33% | 19% | 10 h 20 min |
| January 16 | 64°F | 43°F | 33% | 19% | 10 h 30 min |
| January 17 | 64°F | 43°F | 33% | 19% | 10 h 30 min |
| January 18 | 64°F | 44°F | 33% | 19% | 10 h 30 min |
| January 19 | 64°F | 44°F | 33% | 19% | 10 h 30 min |
| January 20 | 64°F | 44°F | 33% | 19% | 10 h 30 min |
| January 21 | 64°F | 44°F | 33% | 19% | 10 h 30 min |
| January 22 | 64°F | 44°F | 32% | 18% | 10 h 30 min |
| January 23 | 64°F | 44°F | 32% | 18% | 10 h 30 min |
| January 24 | 64°F | 44°F | 32% | 18% | 10 h 30 min |
| January 25 | 64°F | 44°F | 32% | 18% | 10 h 40 min |
| January 26 | 65°F | 44°F | 32% | 18% | 10 h 40 min |
| January 27 | 65°F | 44°F | 32% | 18% | 10 h 40 min |
| January 28 | 65°F | 44°F | 32% | 18% | 10 h 40 min |
| January 29 | 65°F | 45°F | 32% | 18% | 10 h 40 min |
| January 30 | 65°F | 45°F | 32% | 18% | 10 h 40 min |
| January 31 | 65°F | 45°F | 32% | 18% | 10 h 40 min |
- Normal high
- 64°FJanuary average
- Normal low
- 44°FJanuary average
- Precipitation
- 3.76 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 10 h 10 min to 10 h 40 minJanuary 1 to January 31
- Days at 70°F or more
- 10
- Days at 80°F or more
- 1
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012960; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Houston in January?
On a given January day the chance of 0.01 inch or more is 32% on average, highest around January 15 (33%). In all, 3.76 in falls on 10 days of a normal January, 1 of them with an inch or more.
In a normal January in Houston, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012960.
How humid and windy is Houston in January?
At 3 p.m. the normal temperature is 62°F with 50% relative humidity and a dew point of 43°F; at 6 a.m. it is 48°F with 84% humidity. The wind averages 7.9 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 48°F | 44°F | 84% | 6.2 mph | 28% |
| 9 a.m. | 52°F | 45°F | 78% | 8.1 mph | 28% |
| noon | 59°F | 44°F | 57% | 10.2 mph | 24% |
| 3 p.m. | 62°F | 43°F | 50% | 10.5 mph | 28% |
| 6 p.m. | 59°F | 44°F | 59% | 8.7 mph | 25% |
| 9 p.m. | 54°F | 45°F | 72% | 7.3 mph | 37% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012960. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Houston?
The warmest January temperature on Houston's official record (since 1888) is 85°F, on January 1, 2022; the coldest is 5°F, on January 18, 1930. The wettest January brought 13.11 in (1891); the snowiest, 3.0 inches (1940).
The January mean against the 1991-2020 normal of 53.8°F: 2021 55.2°F (+1.4), 2022 52.8°F (−1.0), 2023 57.9°F (+4.1), 2024 50.8°F (−3.0), 2025 49.4°F (−4.4), 2026 54.7°F (+0.9). 3 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.2°F | +1.4°F | 2.51 in |
| 2022 | 52.8°F | −1.0°F | 9.42 in |
| 2023 | 57.9°F | +4.1°F | 6.58 in |
| 2024 | 50.8°F | −3.0°F | 8.77 in |
| 2025 | 49.4°F | −4.4°F | 4.23 in |
| 2026 | 54.7°F | +0.9°F | 2.87 in |
Source: records: ACIS, NWS threaded record IAHthr; recent months: ACIS, station USW00012960. Records and recent months use complete months only.
How does January in Houston compare across Texas?
Across the 321 places PlainClimate covers in Texas, January normal highs run from 49°F in Follett to 73°F in McAllen; Houston's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.