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