Average data for 10 years
1 January
Monday
+15°
+11°
2 January
Tuesday
+12°
+10°
3 January
Wednesday
+13°
+9°
4 January
Thursday
+14°
+9°
5 January
Friday
+14°
+10°
6 January
Saturday
+13°
+8°
7 January
Sunday
+15°
+10°
8 January
Monday
+14°
+10°
9 January
Tuesday
+14°
+11°
10 January
Wednesday
+13°
+11°
11 January
Thursday
+15°
+9°
12 January
Friday
+15°
+11°
13 January
Saturday
+12°
+11°
14 January
Sunday
+13°
+9°
15 January
Monday
+14°
+10°
16 January
Tuesday
+15°
+11°
17 January
Wednesday
+15°
+11°
18 January
Thursday
+16°
+11°
19 January
Friday
+17°
+11°
20 January
Saturday
+18°
+13°
21 January
Sunday
+17°
+13°
22 January
Monday
+17°
+12°
23 January
Tuesday
+16°
+12°
24 January
Wednesday
+15°
+11°
25 January
Thursday
+16°
+11°
26 January
Friday
+17°
+11°
27 January
Saturday
+17°
+13°
28 January
Sunday
+16°
+11°
29 January
Monday
+17°
+11°
30 January
Tuesday
+15°
+11°
31 January
Wednesday
+17°
+12°
January in Houston is the coldest month of the year. In January, the weather in Houston is typically warm. Average daily high temperature in January is about 15 degrees above zero. On average, Houston has 12 sunny, 10 partly cloudy, 6 rainy, and 3 cloudy days in January. The rains are usually heavy.