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