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