Conroe weather in December: Conroe, Texas: normal highs, lows, rain and records for December
Conroe in December has a normal high of 64°F and a normal low of 41°F, a daily mean of 52°F, falling from 66°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 3.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 5°C, 99 mm of precipitation in December.
- NOAA stationConroe Montgomery County Airport
- Station IDUSW00053902
- Location30.36°N 95.41°W
- Elevation245 ft (75 m)
- Population114,581
- Jan 62° 39°
- Feb 66° 43°
- Mar 73° 49°
- Apr 79° 55°
- May 86° 64°
- Jun 91° 70°
- Jul 94° 72°
- Aug 95° 72°
- Sep 90° 66°
- Oct 82° 56°
- Nov 71° 47°
- Dec 64° 41°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Conroe in December?
The normal high is 64°F and the normal low 41°F, for a daily mean of 52.3°F. December is 6.4°F cooler than November and 1.5°F warmer than January. December is the 11th warmest month of the year in Conroe and the 6th wettest. Across the month the normal high falls 4°F, from 66°F on December 1 to 62°F on December 31. From one year to the next December's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 50°F and 55°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 38%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 66°F | 43°F | 38% | 19% |
| December 8 | 65°F | 42°F | 38% | 19% |
| December 15 | 64°F | 41°F | 37% | 18% |
| December 22 | 63°F | 40°F | 36% | 18% |
| December 31 | 62°F | 39°F | 36% | 17% |
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 | 66°F | 43°F | 38% | 19% | 10 h 20 min |
| December 2 | 66°F | 43°F | 38% | 19% | 10 h 20 min |
| December 3 | 66°F | 43°F | 38% | 19% | 10 h 20 min |
| December 4 | 66°F | 43°F | 38% | 19% | 10 h 20 min |
| December 5 | 65°F | 43°F | 38% | 19% | 10 h 20 min |
| December 6 | 65°F | 42°F | 38% | 19% | 10 h 20 min |
| December 7 | 65°F | 42°F | 38% | 19% | 10 h 20 min |
| December 8 | 65°F | 42°F | 38% | 19% | 10 h 20 min |
| December 9 | 65°F | 42°F | 38% | 19% | 10 h 10 min |
| December 10 | 64°F | 42°F | 38% | 19% | 10 h 10 min |
| December 11 | 64°F | 42°F | 38% | 19% | 10 h 10 min |
| December 12 | 64°F | 41°F | 38% | 19% | 10 h 10 min |
| December 13 | 64°F | 41°F | 37% | 19% | 10 h 10 min |
| December 14 | 64°F | 41°F | 37% | 19% | 10 h 10 min |
| December 15 | 64°F | 41°F | 37% | 18% | 10 h 10 min |
| December 16 | 64°F | 41°F | 37% | 18% | 10 h 10 min |
| December 17 | 63°F | 41°F | 37% | 18% | 10 h 10 min |
| December 18 | 63°F | 41°F | 37% | 18% | 10 h 10 min |
| December 19 | 63°F | 40°F | 37% | 18% | 10 h 10 min |
| December 20 | 63°F | 40°F | 37% | 18% | 10 h 10 min |
| December 21 | 63°F | 40°F | 36% | 18% | 10 h 10 min |
| December 22 | 63°F | 40°F | 36% | 18% | 10 h 10 min |
| December 23 | 63°F | 40°F | 36% | 17% | 10 h 10 min |
| December 24 | 63°F | 40°F | 36% | 17% | 10 h 10 min |
| December 25 | 63°F | 40°F | 36% | 17% | 10 h 10 min |
| December 26 | 62°F | 40°F | 36% | 17% | 10 h 10 min |
| December 27 | 62°F | 39°F | 36% | 17% | 10 h 10 min |
| December 28 | 62°F | 39°F | 36% | 17% | 10 h 10 min |
| December 29 | 62°F | 39°F | 36% | 17% | 10 h 10 min |
| December 30 | 62°F | 39°F | 36% | 17% | 10 h 10 min |
| December 31 | 62°F | 39°F | 36% | 17% | 10 h 10 min |
- Normal high
- 64°FDecember average
- Normal low
- 41°FDecember average
- Precipitation
- 3.91 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 8
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 10
- Days at 80°F or more
- 2
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053902; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Conroe in December?
On a given December day the chance of 0.01 inch or more is 37% on average, highest around December 4 (38%). In all, 3.91 in falls on 11 days of a normal December, 1 of them with an inch or more.
In a normal December in Conroe, 8 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053902.
What are the records for December in Conroe?
The warmest December temperature on this station's record (since 1997) is 84°F, on December 15, 2019; the coldest is 13°F, on December 23, 2022. The wettest December brought 9.30 in (2022).
The December mean against the 1991-2020 normal of 52.3°F: 2021 64.8°F (+12.5), 2022 55.0°F (+2.7), 2023 53.5°F (+1.2), 2024 57.9°F (+5.6), 2025 57.3°F (+5.0). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.8°F | +12.5°F | 4.43 in |
| 2022 | 55.0°F | +2.7°F | 9.30 in |
| 2023 | 53.5°F | +1.2°F | 2.12 in |
| 2024 | 57.9°F | +5.6°F | 4.11 in |
| 2025 | 57.3°F | +5.0°F | 0.64 in |
Source: records: ACIS, station USW00053902; recent months: ACIS, station USW00053902. Records and recent months use complete months only.
How does December in Conroe 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; Conroe's is 64°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.