Houston weather in December: Houston, Texas: normal highs, lows, rain and records for December
Houston in December has a normal high of 65°F and a normal low of 46°F, a daily mean of 55°F, falling from 68°F on the 1st to 63°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 4.03 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 8°C, 102 mm of precipitation and 0 cm of snow in December.
- 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 December?
The normal high is 65°F and the normal low 46°F, for a daily mean of 55.4°F. December is 6.6°F cooler than November and 1.6°F warmer than January. December is the 11th warmest month of the year in Houston and the 6th wettest, and the snowiest. Across the month the normal high falls 5°F, from 68°F on December 1 to 63°F on December 31. From one year to the next December's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 53°F and 58°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 68°F | 48°F | 29% | 17% |
| December 8 | 67°F | 47°F | 30% | 18% |
| December 15 | 65°F | 46°F | 31% | 18% |
| December 22 | 64°F | 45°F | 31% | 18% |
| December 31 | 63°F | 44°F | 32% | 18% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 68°F | 48°F | 29% | 17% | 10 h 20 min |
| December 2 | 68°F | 48°F | 29% | 17% | 10 h 20 min |
| December 3 | 68°F | 48°F | 29% | 17% | 10 h 20 min |
| December 4 | 67°F | 47°F | 29% | 17% | 10 h 20 min |
| December 5 | 67°F | 47°F | 29% | 17% | 10 h 20 min |
| December 6 | 67°F | 47°F | 30% | 17% | 10 h 20 min |
| December 7 | 67°F | 47°F | 30% | 17% | 10 h 20 min |
| December 8 | 67°F | 47°F | 30% | 18% | 10 h 20 min |
| December 9 | 66°F | 47°F | 30% | 18% | 10 h 20 min |
| December 10 | 66°F | 46°F | 30% | 18% | 10 h 20 min |
| December 11 | 66°F | 46°F | 30% | 18% | 10 h 20 min |
| December 12 | 66°F | 46°F | 30% | 18% | 10 h 20 min |
| December 13 | 66°F | 46°F | 30% | 18% | 10 h 10 min |
| December 14 | 65°F | 46°F | 31% | 18% | 10 h 10 min |
| December 15 | 65°F | 46°F | 31% | 18% | 10 h 10 min |
| December 16 | 65°F | 46°F | 31% | 18% | 10 h 10 min |
| December 17 | 65°F | 45°F | 31% | 18% | 10 h 10 min |
| December 18 | 65°F | 45°F | 31% | 18% | 10 h 10 min |
| December 19 | 65°F | 45°F | 31% | 18% | 10 h 10 min |
| December 20 | 64°F | 45°F | 31% | 18% | 10 h 10 min |
| December 21 | 64°F | 45°F | 31% | 18% | 10 h 10 min |
| December 22 | 64°F | 45°F | 31% | 18% | 10 h 10 min |
| December 23 | 64°F | 45°F | 31% | 18% | 10 h 10 min |
| December 24 | 64°F | 45°F | 31% | 18% | 10 h 10 min |
| December 25 | 64°F | 44°F | 31% | 18% | 10 h 10 min |
| December 26 | 64°F | 44°F | 32% | 18% | 10 h 10 min |
| December 27 | 64°F | 44°F | 32% | 18% | 10 h 10 min |
| December 28 | 64°F | 44°F | 32% | 18% | 10 h 10 min |
| December 29 | 64°F | 44°F | 32% | 18% | 10 h 10 min |
| December 30 | 63°F | 44°F | 32% | 18% | 10 h 10 min |
| December 31 | 63°F | 44°F | 32% | 18% | 10 h 10 min |
- Normal high
- 65°FDecember average
- Normal low
- 46°FDecember average
- Precipitation
- 4.03 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 0.1 inmonth total
- Nights at 32°F or colder
- 3
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 2
- 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 or snow in Houston in December?
On a given December day the chance of 0.01 inch or more is 31% on average, highest around December 31 (32%). In all, 4.03 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Houston, 3 nights fall to freezing and snowfall averages 0.1 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012960.
How humid and windy is Houston in December?
At 3 p.m. the normal temperature is 61°F with 52% relative humidity and a dew point of 43°F; at 6 a.m. it is 47°F with 84% humidity. The wind averages 7.7 mph, most often from the north-northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 47°F | 43°F | 84% | 6.1 mph | 32% |
| 9 a.m. | 50°F | 44°F | 79% | 7.9 mph | – |
| noon | 58°F | 43°F | 59% | 9.9 mph | 24% |
| 3 p.m. | 61°F | 43°F | 52% | 10.1 mph | 28% |
| 6 p.m. | 55°F | 44°F | 65% | 7.6 mph | 26% |
| 9 p.m. | 52°F | 44°F | 75% | 7.1 mph | 40% |
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 December in Houston?
The warmest December temperature on Houston's official record (since 1888) is 85°F, on December 3, 1995; the coldest is 7°F, on December 23, 1989. The wettest December brought 14.38 in (1923); the snowiest, 2.5 inches (1929).
The December mean against the 1991-2020 normal of 55.4°F: 2021 67.8°F (+12.4), 2022 57.1°F (+1.7), 2023 57.3°F (+1.9), 2024 61.1°F (+5.7), 2025 59.4°F (+4.0). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.8°F | +12.4°F | 2.10 in |
| 2022 | 57.1°F | +1.7°F | 3.88 in |
| 2023 | 57.3°F | +1.9°F | 2.57 in |
| 2024 | 61.1°F | +5.7°F | 3.65 in |
| 2025 | 59.4°F | +4.0°F | 1.84 in |
Source: records: ACIS, NWS threaded record IAHthr; recent months: ACIS, station USW00012960. Records and recent months use complete months only.
How does December in Houston compare across Texas?
Across the 321 places PlainClimate covers in Texas, December normal highs run from 49°F in Dumas to 74°F in Brownsville; Houston's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.