July weather forecastRoy, UT
July
Weather in July
July stands as the pinnacle of the summer season, bringing the highest temperatures experienced throughout the year. Emphasizing this summer peak, average high temperatures rise to a sweltering 83.8°F (28.8°C). Despite the heat, humidity remains relatively low, making the days more bearable. July's picturesque clear skies nourish an active social season that sees an inflow of tourists. Festivals, concerts, and outdoor adventures become amplified during this month, as locals and visitors revel in the summer’s peak.Temperature
Roy's warmest month, July, registers temperatures that range from a high of 83.8°F (28.8°C) to a low of 60.4°F (15.8°C).Humidity
With an average relative humidity of 37%, July is the least humid month in Roy.Rainfall
July is the month with the least rainfall in Roy. Rain falls for 6.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
June through August are months without snowfall.Daylight
The average length of the day in July is 14h and 47min.On the first day of the month, sunrise is at 5:59 am and sunset at 9:04 pm. On the last day of July, sunrise is at 6:23 am and sunset at 8:45 pm MDT.
Sunshine
June through August, with an average of 11.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In July, the maximum UV index of 6 suggests these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Roy, UT
- Average high temperature in July: 83.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in July: 60.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in July
Roy, UT
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in July
Roy, UT
- Average wind speed in July: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in July
Roy, UT
- Average humidity in July: 37%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in July
Roy, UT
- Average rainfall in July: 0.43"
The wettest month (with the highest rainfall) is April (1.26").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in July
Roy, UT
- Average rainfall days in July: 6.3 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in July
Roy, UT
- Average snowfall in July: 0"
The month with the highest snowfall is January (6.89").
The months with the least snowfall are June, July and August (0").
Average snowfall days in July
Roy, UT
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Roy, UT
- Average daylight in July: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 11h and 54min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in July
Roy, UT
- Average sunshine days in July: 19.9 days
The months with the most sunshine days are October and November (21.6 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in July
Roy, UT
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Roy, UT
- Average cloud cover in July: 11
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in July
Roy, UT
- 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).
