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