July weather forecastHermiston, OR
July
Weather in July
July’s scorching sun firmly establishes summer in Hermiston, Oregon. Temperatures during this month peak for the year, touching a blazing 88°F (31.1°C) - a significant escalation from June. July marks the zenith of outdoor festivity, imbued with a characteristic summer vibe. There's a fresh tangibility in the air, influenced by the low relative humidity and scanty rainfall activity during this month. The conditions are perfect for summer based activities, from water sports to camping, making Hermiston an unabashed summer haven.Temperature
July, with its high-temperature average of 88°F (31.1°C) and a low-temperature average of 62.8°F (17.1°C), is the warmest month in Hermiston.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 36%.Rainfall
July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.16" (4mm) of precipitation.Snowfall
In Hermiston, snow does not fall in April through August and October.Daylight
In Hermiston, the average length of the day in July is 15h and 18min.On the first day of July, sunrise is at 5:11 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:27 pm PDT.
Sunshine
In Hermiston, Oregon, the average sunshine in July is 12h.UV index
The month with the highest UV index is July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 7 in July translates into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Hermiston, OR
- Average high temperature in July: 88°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is December (38.8°F).
- Average low temperature in July: 62.8°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in July
Hermiston, OR
- Average pressure in July: 29.93"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in July
Hermiston, OR
- Average wind speed in July: 7.8mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).
Average humidity in July
Hermiston, OR
- Average humidity in July: 36%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in July
Hermiston, OR
- Average rainfall in July: 0.16"
The wettest months (with the highest rainfall) are March and December (1.06").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Hermiston, OR
- Average rainfall days in July: 3.8 days
The month with the highest number of rainy days is March (14.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in July
Hermiston, OR
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in July
Hermiston, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (3.7 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in July /
Average sunshine in July
Hermiston, OR
- Average daylight in July: 15h and 18min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in July
Hermiston, OR
- Average sunshine days in July: 25.5 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in July
Hermiston, OR
- Average UV index in July: 7
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Hermiston, OR
- Average cloud cover in July: 9
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in July
Hermiston, OR
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
