Hermiston Travel Guide
For foreign visitors
Hermiston weather essentials
Month
High
Low
Precip
Mar
49°F 9°C
31°F 0°C
1 in 2 cm
Apr
56°F 13°C
33°F 0°C
1 in 3 cm
May
64°F 17°C
39°F 3°C
1 in 3 cm
Jun
74°F 23°C
46°F 7°C
1 in 2 cm
Jul
83°F 28°C
52°F 11°C
0 in 1 cm
Aug
83°F 28°C
52°F 11°C
0 in 1 cm
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