Climate averages 1991–2020
Waco weather
in December.
A mild, moderately wet month: the 11th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Waco: daytime highs average 15.5°C and nights cool to about 6.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 83 mm of rain on roughly 7 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 08 min on an average December day.
The nearest other city in this atlas is Temple (54 km away). In December its highs average 15.6°C, about as warm as Waco, with 82 mm of rain.
Among the 498 cities listed in the United States, Waco ranks 139th of 498 for the warmest December highs and joint 287th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Waco is 4.9°C warmer than that mean.
From December to January, average highs fall by 0.8°C to 14.7°C, and monthly rainfall falls from 83 mm to 70 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Waco climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.7°C4.9°C | 4.9°C | 70 | 6.9 | 10.310 h |
| February | 16.8°C6.8°C | 6.8°C | 72 | 7.5 | 11.011 h |
| March | 20.6°C10.3°C | 10.3°C | 88 | 9.0 | 12.012 h |
| April | 24.8°C14.4°C | 14.4°C | 86 | 8.5 | 12.913 h |
| May | 28.6°C19.0°C | 19.0°C | 119 | 10.5 | 13.714 h |
| June | 32.3°C22.9°C | 22.9°C | 74 | 8.3 | 14.214 h |
| July | 34.7°C24.8°C | 24.8°C | 37 | 5.7 | 14.014 h |
| August | 35.0°C25.1°C | 25.1°C | 49 | 5.3 | 13.313 h |
| September | 31.4°C21.7°C | 21.7°C | 60 | 6.0 | 12.412 h |
| October | 26.1°C16.1°C | 16.1°C | 107 | 7.2 | 11.411 h |
| November | 19.8°C10.2°C | 10.2°C | 74 | 7.2 | 10.611 h |
| December, selected | 15.5°C6.0°C | 6.0°C | 83 | 7.1 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Temple in DecemberUnited States · 54 kmHigh 15.6°C · Low 6.0°C · 82 mm rain
- Killeen in DecemberUnited States · 73 kmHigh 15.6°C · Low 5.9°C · 72 mm rain
- Bryan in DecemberUnited States · 122 kmHigh 16.3°C · Low 6.9°C · 95 mm rain
- Round Rock in DecemberUnited States · 126 kmHigh 16.3°C · Low 6.8°C · 70 mm rain
- College Station in DecemberUnited States · 128 kmHigh 16.4°C · Low 7.0°C · 95 mm rain
- Fort Worth in DecemberUnited States · 132 kmHigh 14.1°C · Low 4.6°C · 78 mm rain
- Arlington (Texas), United States in DecemberUnited States · 132 kmHigh 14.0°C · Low 4.8°C · 83 mm rain
- Grand Prairie in DecemberUnited States · 134 kmHigh 14.2°C · Low 5.0°C · 83 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Waco) is explained once on the Waco year overview and on the Sources, method and limits page.