Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July proves to be the warmest month, recording an average peak temperature of 82.9°F (28.3°C) and a minimum temperature of 57.4°F (14.1°C).Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 33%.Rainfall
The month with the least rainfall is July, when the rain falls for 3.7 days and typically collects 0.16" (4mm) of precipitation.Snowfall
April through October are months without snowfall in Riley.Daylight
The average length of the day in July is 15h and 2min.On the first day of the month, sunrise is at 5:21 am and sunset at 8:42 pm. On the last day of July, sunrise is at 5:47 am and sunset at 8:21 pm PDT.
Sunshine
The month with the most sunshine is July, with an average of 12.1h of sunshine.UV index
With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 in July converts into the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
How hot is it in July?
What are the least humid months?
What is the average humidity in July?
What is the driest month?
How many days does it rain in July in Riley?
When it does not snow?
What is the average length of the day in July?
What time are sunrise and sunset in July?
What month has the most sunshine?
How long on average sun shines in July?
When is the highest UV index?
How high is the UV index in July?
Average temperature in July
Riley, OR
- Average high temperature in July: 82.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in July: 57.4°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in July
Riley, OR
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in July
Riley, OR
- Average wind speed in July: 7.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in July
Riley, OR
- Average humidity in July: 33%
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in July
Riley, OR
- Average rainfall in July: 0.16"
The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in July
Riley, OR
- Average rainfall days in July: 3.7 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in July
Riley, OR
- Average snowfall in July: 0"
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Riley, OR
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is December (3.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Riley, OR
- Average daylight in July: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in July: 12h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in July
Riley, OR
- Average sunshine days in July: 25.3 days
The months with the most sunshine days are July and August (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in July
Riley, 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, March, November and December (UV index 2).
Average cloud cover in July
Riley, OR
- Average cloud cover in July: 9
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in July
Riley, OR
- Average visibility in July: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Riley, Oregon, USA
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