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