Average temperatures for December at cities, towns, parks and lakes throughout Texas are listed below.
You can jump to a separate table for each region of the state: North Central Texas, South Central Texas, East Texas, Gulf Coast and West Texas.
The tables give the normal maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.
North Central Texas
Average December temperatures
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 59 |
37 |
Athens |
15 |
3 |
| 63 |
43 |
College Station |
17 |
6 |
| 59 |
40 |
Dallas |
15 |
4 |
| 57 |
36 |
Denton |
14 |
2 |
| 57 |
37 |
Fort Worth |
14 |
3 |
| 60 |
38 |
Killeen |
16 |
3 |
| 58 |
37 |
McKinney |
14 |
3 |
| 54 |
36 |
Sherman |
12 |
2 |
| 60 |
38 |
Waco |
16 |
3 |
| 56 |
32 |
Wichita Falls |
13 |
0 |
South Central Texas
Normal temperatures for December
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 71 |
50 |
Alice |
22 |
10 |
| 64 |
43 |
Austin |
18 |
6 |
| 65 |
45 |
Choke Canyon Lake Dam |
19 |
7 |
| 72 |
50 |
Falcon Lake Dam |
22 |
10 |
| 61 |
36 |
Fredericksburg |
16 |
2 |
| 70 |
49 |
Kingsville |
21 |
9 |
| 69 |
48 |
Laredo |
21 |
9 |
| 59 |
34 |
Midland |
15 |
1 |
| 63 |
40 |
New Braunfels |
17 |
5 |
| 65 |
42 |
San Antonio |
18 |
6 |
East Texas
December temperature averages
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 57 |
38 |
Lake Fork |
14 |
3 |
| 60 |
36 |
Longview |
15 |
2 |
| 61 |
39 |
Lufkin |
16 |
4 |
| 62 |
43 |
Sam Rayburn Lake Dam |
17 |
6 |
| 56 |
36 |
Texarkana |
14 |
2 |
| 61 |
39 |
Toledo Bend Reservoir Dam |
16 |
4 |
| 59 |
40 |
Tyler |
15 |
5 |
Gulf Coast
Average December temperatures
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 66 |
47 |
Aransas Wildlife Refuge |
19 |
8 |
| 64 |
45 |
Beaumont |
18 |
7 |
| 74 |
55 |
Brownsville |
23 |
13 |
| 70 |
50 |
Corpus Christi |
21 |
10 |
| 66 |
52 |
Galveston |
19 |
11 |
| 66 |
48 |
Houston |
19 |
9 |
| 73 |
51 |
McAllen |
23 |
10 |
| 72 |
57 |
South Padre Island |
22 |
14 |
| 67 |
45 |
Victoria |
20 |
7 |
West Texas
Average temperatures in December
| High °F |
Low °F |
Place |
High °C |
Low °C |
| 59 |
35 |
Abilene |
15 |
2 |
| 52 |
26 |
Amarillo |
11 |
-4 |
| 64 |
40 |
Del Rio |
18 |
4 |
| 58 |
34 |
El Paso |
14 |
1 |
| 54 |
33 |
Guadalupe Mountains Park |
12 |
1 |
| 68 |
33 |
Lajitas, Big Bend Park |
20 |
1 |
| 55 |
28 |
Lubbock |
13 |
-2 |
| 58 |
33 |
Odessa |
14 |
1 |
| 61 |
34 |
San Angelo |
16 |
1 |