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