Average data for 10 years
1 January
Monday
+3°
−2°
2 January
Tuesday
+1°
0°
3 January
Wednesday
−2°
−4°
4 January
Thursday
+1°
−4°
5 January
Friday
+1°
−2°
6 January
Saturday
+1°
−1°
7 January
Sunday
0°
−1°
8 January
Monday
0°
−2°
9 January
Tuesday
+1°
−2°
10 January
Wednesday
+2°
−2°
11 January
Thursday
+3°
0°
12 January
Friday
+4°
+2°
13 January
Saturday
+2°
+1°
14 January
Sunday
0°
−1°
15 January
Monday
0°
−2°
16 January
Tuesday
+1°
−2°
17 January
Wednesday
0°
−2°
18 January
Thursday
+1°
0°
19 January
Friday
+2°
−1°
20 January
Saturday
+1°
0°
21 January
Sunday
−2°
−3°
22 January
Monday
−2°
−5°
23 January
Tuesday
−1°
−3°
24 January
Wednesday
−1°
−3°
25 January
Thursday
+1°
−3°
26 January
Friday
−1°
−2°
27 January
Saturday
+2°
−1°
28 January
Sunday
0°
−2°
29 January
Monday
0°
−2°
30 January
Tuesday
+1°
−2°
31 January
Wednesday
+1°
−2°
Cities with similar weather in January
Latvia
Riga
Sweden
Stockholm
Arctic and Antarctic
Bellingshausen Station
Iceland
Reykyavik
Norway
Oslo
January in New Haven is the snowiest and the coldest month of the year. In January, the weather in New Haven is typically cold. Average daily high temperature in January is about 1 degree above zero. On average, New Haven has 12 partly cloudy, 10 sunny, 4 rainy, 3 snowy, and 2 cloudy days in January. The rains are usually moderate. January as well as February, March, and December is considered the most uncomfortable time to visit New Haven.