July weather forecastSaint David, AZ
July
Weather in July
July, the same as June, in Saint David, Arizona, is another tropical summer month, with an average temperature fluctuating between 71.8°F (22.1°C) and 90.9°F (32.7°C).Temperature
The shift into July reveals an average high-temperature of a still hot 90.9°F (32.7°C), closely mirroring June's climate. July nights are marked by an average temperature drop to a pleasant 71.8°F (22.1°C).Heat index
Throughout July, the heat index is estimated at a tropical 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical to babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
In Saint David, the average relative humidity in July is 41%.Rainfall
In July, in Saint David, Arizona, the rain falls for 16.5 days. Throughout July, 2.17" (55mm) of precipitation is accumulated. In Saint David, during the entire year, the rain falls for 76.9 days and collects up to 10.28" (261mm) of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Saint David, the average length of the day in July is 13h and 59min.On the first day of July in Saint David, sunrise is at 5:19 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:18 pm MST.
Sunshine
In Saint David, the average sunshine in July is 11.9h.UV index
The months with the highest UV index in Saint David, Arizona, are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 7 in July, converts into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint David, AZ
- Average high temperature in July: 90.9°F
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).
- Average low temperature in July: 71.8°F
The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).
Average pressure in July
Saint David, AZ
- Average pressure in July: 29.91"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in July
Saint David, AZ
- Average wind speed in July: 6.4mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in July
Saint David, AZ
- Average humidity in July: 41%
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).
Average rainfall in July
Saint David, AZ
- Average rainfall in July: 2.17"
The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").
Average rainfall days in July
Saint David, AZ
- Average rainfall days in July: 16.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).
Average snowfall in July
Saint David, AZ
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Saint David, AZ
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Saint David, AZ
- Average daylight in July: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in July: 11h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in July
Saint David, AZ
- Average sunshine days in July: 9.4 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in July
Saint David, AZ
- Average UV index in July: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in July
Saint David, AZ
- Average cloud cover in July: 20
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in July
Saint David, 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).
