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