Average data for 10 years
1 May
Wednesday
+6°
+5°
2 May
Thursday
+7°
+5°
3 May
Friday
+7°
+5°
4 May
Saturday
+7°
+5°
5 May
Sunday
+7°
+5°
6 May
Monday
+7°
+5°
7 May
Tuesday
+7°
+5°
8 May
Wednesday
+7°
+6°
9 May
Thursday
+7°
+5°
10 May
Friday
+7°
+6°
11 May
Saturday
+6°
+6°
12 May
Sunday
+8°
+6°
13 May
Monday
+8°
+6°
14 May
Tuesday
+7°
+5°
15 May
Wednesday
+7°
+5°
16 May
Thursday
+7°
+6°
17 May
Friday
+7°
+6°
18 May
Saturday
+7°
+6°
19 May
Sunday
+7°
+6°
20 May
Monday
+8°
+7°
21 May
Tuesday
+8°
+7°
22 May
Wednesday
+8°
+7°
23 May
Thursday
+9°
+8°
24 May
Friday
+8°
+7°
25 May
Saturday
+8°
+7°
26 May
Sunday
+8°
+7°
27 May
Monday
+8°
+7°
28 May
Tuesday
+9°
+8°
29 May
Wednesday
+9°
+7°
30 May
Thursday
+9°
+8°
31 May
Friday
+10°
+8°
Cities with similar weather in May
Kyrgyzstan
Cholpon-Ata
United Kingdom
Edinburgh
Norway
Bergen
United States
Anchorage
Chile
Punta-Arenas
May in Keflavík is the sunniest month of the year. In May, the weather in Keflavík is typically cold. Average daily high temperature in May is about 8 degrees above zero. On average, Keflavík has 17 rainy, 7 sunny, 4 cloudy, and 3 partly cloudy days in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Keflavík.