Climate averages 1991–2020
Clarksville weather
in December.
A cool, wet month: the 11th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Clarksville: daytime highs average 9.3°C and nights cool to about 1.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 115 mm of rain on roughly 11 days, which makes December a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 43 min on an average December day.
The nearest other city in this atlas is Nashville (65 km away). In December its highs average 9.5°C, about as warm as Clarksville, with 124 mm of rain.
Among the 498 cities listed in the United States, Clarksville ranks joint 273rd of 498 for the warmest December highs and joint 442nd of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Clarksville is 1.3°C cooler than that mean.
From December to January, average highs fall by 1.7°C to 7.5°C, and monthly rainfall falls from 115 mm to 100 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
Clarksville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.5°C-0.7°C | -0.7°C | 100 | 10.0 | 10.010 h |
| February | 10.1°C0.9°C | 0.9°C | 108 | 10.0 | 10.811 h |
| March | 15.1°C4.9°C | 4.9°C | 124 | 11.4 | 11.912 h |
| April | 20.5°C10.2°C | 10.2°C | 125 | 10.8 | 13.113 h |
| May | 25.1°C15.4°C | 15.4°C | 121 | 12.3 | 14.114 h |
| June | 29.6°C20.0°C | 20.0°C | 89 | 12.0 | 14.615 h |
| July | 31.6°C22.1°C | 22.1°C | 97 | 11.8 | 14.414 h |
| August | 31.1°C21.5°C | 21.5°C | 82 | 10.2 | 13.614 h |
| September | 27.6°C17.9°C | 17.9°C | 82 | 7.6 | 12.412 h |
| October | 21.4°C11.8°C | 11.8°C | 91 | 8.2 | 11.311 h |
| November | 14.4°C5.6°C | 5.6°C | 97 | 8.8 | 10.310 h |
| December, selected | 9.3°C1.5°C | 1.5°C | 115 | 10.6 | 9.710 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
- Nashville in DecemberUnited States · 65 kmHigh 9.5°C · Low 1.4°C · 124 mm rain
- Franklin in DecemberUnited States · 80 kmHigh 9.9°C · Low 2.0°C · 127 mm rain
- Murfreesboro in DecemberUnited States · 116 kmHigh 10.0°C · Low 2.1°C · 130 mm rain
- Evansville in DecemberUnited States · 162 kmHigh 7.1°C · Low -0.2°C · 102 mm rain
- Huntsville in DecemberUnited States · 212 kmHigh 11.1°C · Low 2.8°C · 139 mm rain
- Louisville in DecemberUnited States · 238 kmHigh 7.1°C · Low -0.5°C · 102 mm rain
- Chattanooga in DecemberUnited States · 248 kmHigh 10.8°C · Low 2.3°C · 128 mm rain
- East Chattanooga in DecemberUnited States · 250 kmHigh 10.6°C · Low 2.1°C · 128 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 Clarksville) is explained once on the Clarksville year overview and on the Sources, method and limits page.