Average data for 10 years
1 January
Monday
+3°
+3°
2 January
Tuesday
+4°
+4°
3 January
Wednesday
+4°
+2°
4 January
Thursday
+4°
+2°
5 January
Friday
+3°
+2°
6 January
Saturday
+3°
+3°
7 January
Sunday
+5°
+3°
8 January
Monday
+4°
+3°
9 January
Tuesday
+3°
+2°
10 January
Wednesday
+3°
+1°
11 January
Thursday
+1°
0°
12 January
Friday
+1°
+1°
13 January
Saturday
+3°
+1°
14 January
Sunday
+3°
+3°
15 January
Monday
+4°
+2°
16 January
Tuesday
+4°
+3°
17 January
Wednesday
+4°
+2°
18 January
Thursday
+3°
+3°
19 January
Friday
+5°
+4°
20 January
Saturday
+4°
+4°
21 January
Sunday
+5°
+5°
22 January
Monday
+5°
+4°
23 January
Tuesday
+5°
+3°
24 January
Wednesday
+5°
+4°
25 January
Thursday
+4°
+2°
26 January
Friday
+4°
+3°
27 January
Saturday
+5°
+3°
28 January
Sunday
+3°
+2°
29 January
Monday
+3°
+2°
30 January
Tuesday
+2°
0°
31 January
Wednesday
+3°
+1°
Cities with similar weather in January
United States
New York
Sweden
Stockholm
Arctic and Antarctic
Bellingshausen Station
Kazakhstan
Aktau
Lithuania
Palanga
January in Keflavík is the rainiest, the windiest, and the cloudiest month of the year. In January, the weather in Keflavík is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Keflavík has 29 rainy and 2 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Keflavík.