Waco weather in December: Waco, Texas: normal highs, lows, rain and records for December
Waco in December has a normal high of 60°F and a normal low of 38°F, a daily mean of 49°F, falling from 64°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 7 days in a normal December, 2.87 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 3°C, 73 mm of precipitation in December.
- NOAA stationWaco Regional Airport
- Station IDUSW00013959
- Location31.62°N 97.23°W
- Elevation500 ft (152 m)
- From the center5 miles
- Population146,608
- Jan 59° 36°
- Feb 63° 40°
- Mar 70° 47°
- Apr 78° 55°
- May 85° 63°
- Jun 93° 71°
- Jul 97° 74°
- Aug 97° 74°
- Sep 91° 67°
- Oct 81° 56°
- Nov 69° 46°
- Dec 60° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Waco in December?
The normal high is 60°F and the normal low 38°F, for a daily mean of 49.2°F. December is 8.0°F cooler than November and 1.8°F warmer than January. December is the 11th warmest month of the year in Waco and the 6th wettest. Across the month the normal high falls 6°F, from 64°F on December 1 to 58°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 47°F and 52°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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 64°F | 41°F | 22% | 13% |
| December 8 | 62°F | 39°F | 23% | 13% |
| December 15 | 60°F | 38°F | 23% | 13% |
| December 22 | 59°F | 37°F | 23% | 13% |
| December 31 | 58°F | 36°F | 24% | 13% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 64°F | 41°F | 22% | 13% | 10 h 20 min |
| December 2 | 63°F | 41°F | 22% | 13% | 10 h 10 min |
| December 3 | 63°F | 41°F | 22% | 13% | 10 h 10 min |
| December 4 | 63°F | 40°F | 22% | 13% | 10 h 10 min |
| December 5 | 63°F | 40°F | 22% | 13% | 10 h 10 min |
| December 6 | 62°F | 40°F | 22% | 13% | 10 h 10 min |
| December 7 | 62°F | 40°F | 22% | 13% | 10 h 10 min |
| December 8 | 62°F | 39°F | 23% | 13% | 10 h 10 min |
| December 9 | 62°F | 39°F | 23% | 13% | 10 h 10 min |
| December 10 | 61°F | 39°F | 23% | 13% | 10 h 10 min |
| December 11 | 61°F | 39°F | 23% | 13% | 10 h 10 min |
| December 12 | 61°F | 38°F | 23% | 13% | 10 h 10 min |
| December 13 | 61°F | 38°F | 23% | 13% | 10 h 10 min |
| December 14 | 61°F | 38°F | 23% | 13% | 10 h 10 min |
| December 15 | 60°F | 38°F | 23% | 13% | 10 h 10 min |
| December 16 | 60°F | 38°F | 23% | 13% | 10 h 10 min |
| December 17 | 60°F | 38°F | 23% | 13% | 10 h 10 min |
| December 18 | 60°F | 37°F | 23% | 13% | 10 h 10 min |
| December 19 | 60°F | 37°F | 23% | 13% | 10 h 10 min |
| December 20 | 59°F | 37°F | 23% | 13% | 10 h 10 min |
| December 21 | 59°F | 37°F | 23% | 13% | 10 h 10 min |
| December 22 | 59°F | 37°F | 23% | 13% | 10 h 10 min |
| December 23 | 59°F | 37°F | 23% | 13% | 10 h 10 min |
| December 24 | 59°F | 36°F | 23% | 13% | 10 h 10 min |
| December 25 | 59°F | 36°F | 23% | 13% | 10 h 10 min |
| December 26 | 59°F | 36°F | 24% | 13% | 10 h 10 min |
| December 27 | 59°F | 36°F | 24% | 13% | 10 h 10 min |
| December 28 | 58°F | 36°F | 24% | 13% | 10 h 10 min |
| December 29 | 58°F | 36°F | 24% | 13% | 10 h 10 min |
| December 30 | 58°F | 36°F | 24% | 13% | 10 h 10 min |
| December 31 | 58°F | 36°F | 24% | 13% | 10 h 10 min |
- Normal high
- 60°FDecember average
- Normal low
- 38°FDecember average
- Precipitation
- 2.87 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 10
- Daylight
- 10 h 20 min to 10 h 10 minDecember 1 to December 31
- Days at 70°F or more
- 7
- Days at 80°F or more
- 1
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013959; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Waco in December?
On a given December day the chance of 0.01 inch or more is 23% on average, highest around December 31 (24%). In all, 2.87 in falls on 7 days of a normal December, 1 of them with an inch or more.
In a normal December in Waco, 10 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013959.
How humid and windy is Waco in December?
At 3 p.m. the normal temperature is 56°F with 48% relative humidity and a dew point of 36°F; at 6 a.m. it is 40°F with 81% humidity. The wind averages 9.2 mph, most often from the west-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. | 40°F | 35°F | 81% | 7.8 mph | 54% |
| 9 a.m. | 43°F | 36°F | 77% | 8.7 mph | – |
| noon | 52°F | 37°F | 56% | 11.5 mph | 55% |
| 3 p.m. | 56°F | 36°F | 48% | 11.7 mph | 62% |
| 6 p.m. | 51°F | 37°F | 59% | 8.7 mph | 62% |
| 9 p.m. | 46°F | 37°F | 71% | 8.5 mph | 68% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013959. 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 Waco?
The warmest December temperature on Waco's official record (since 1901) is 91°F, on December 24, 1955; the coldest is −4°F, on December 23, 1989. The wettest December brought 11.76 in (1913); the snowiest, 2.0 inches (1946).
The December mean against the 1991-2020 normal of 49.2°F: 2021 62.3°F (+13.1), 2022 50.5°F (+1.3), 2023 51.8°F (+2.6), 2024 54.9°F (+5.7), 2025 53.7°F (+4.5). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.3°F | +13.1°F | 0.04 in |
| 2022 | 50.5°F | +1.3°F | 0.55 in |
| 2023 | 51.8°F | +2.6°F | 3.14 in |
| 2024 | 54.9°F | +5.7°F | 2.23 in |
| 2025 | 53.7°F | +4.5°F | 0.13 in |
Source: records: ACIS, NWS threaded record ACTthr; recent months: ACIS, station USW00013959. Records and recent months use complete months only.
How does December in Waco 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; Waco's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.