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