July weather forecastParker, AZ

July
Weather in July
July in Parker, Arizona, is characterized by peak summer conditions. It emerges as the hottest month of the year with maximum temperatures soaring up to 104.2°F (40.1°C). Various weather elements such as relatively high humidity, increased wind speed, and longer daylight hours contribute to the overall hot environment. Despite the likely increase in cloud cover, rainfall is significantly more prominent than in the preceding months, providing occasional respite from the exhilarating heat.Temperature
July, with an average high of 104.2°F (40.1°C) and a low of 84.4°F (29.1°C), signifies the warmest month of the year.Humidity
In Parker, the average relative humidity in July is 24%.Rainfall
The month with the most rainfall is July, when the rain falls for 7.8 days and typically aggregates up to 0.59" (15mm) of precipitation.Daylight
The average length of the day in July is 14h and 10min.On the first day of July, sunrise is at 5:29 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:38 pm MST.
Sunshine
The average sunshine in July is 12h.UV index
With an average maximum UV index of 9, July is the month with the highest UV index. A UV Index of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 9 during July morphs into the following directions:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Parker, AZ
- Average high temperature in July: 104.2°F
The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in July: 84.4°F
The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).
Average pressure in July
Parker, AZ
- Average pressure in July: 29.8"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in July
Parker, AZ
- Average wind speed in July: 7.8mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in July
Parker, AZ
- Average humidity in July: 24%
The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).
Average rainfall in July
Parker, AZ
- Average rainfall in July: 0.59"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in July
Parker, AZ
- Average rainfall days in July: 7.8 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).
Average daylight in July /
Average sunshine in July
Parker, AZ
- Average daylight in July: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in July: 12h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in July
Parker, AZ
- Average sunshine days in July: 20.2 days
The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).
Average UV index in July
Parker, AZ
- Average UV index in July: 9
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
Parker, AZ
- Average cloud cover in July: 11
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in July
Parker, AZ
- 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).





