Hermiston Weather in May

What's the weather like in Hermiston (Oregon) in May 2024?

The climate in Hermiston during May can be summarized as mild and dry.

May is in the spring in Hermiston and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 8°C (46°F) is normal.

Hermiston weather averages (imperial / metric)
Daytime temperature 23.1°C 73.6°F
Nightly temperature 7.9°C 46.2°F
Average temperature 15.5°C 59.9°F
Daily sunshine 10 hrs
Avg rainfall 18 mm 0.7 ins
Rainy days 6 days
Sea temperature 9.8°C 49.7°F
Humidity 52%
Windspeed 14.8kph 9 mph

On average May is the 6th wettest month of the year in Hermiston with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 10 hours of sunshine per day.

May temperatures in Hermiston

Hermiston average temperature in May

May rainfall

Hermiston average rain in May

May hourly sunshine

Hermiston average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Hermiston in May 2024.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Hermiston weather stats

Hermiston weather statistics
Hottest month: July 31.2°C 88.2°F
Driest month: July 5mm 0.2ins
Sunniest month: July 13.1hrs
Coldest month: January 5°C 41°F
Wettest month: December 33mm 1.3ins
Map showing location of Hermiston (45.84041, -119.28946) Hermiston map pin © Google

Locations nearby

Top United States locations