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