July weather forecastRichardson, TX
July
Weather in July
Richardson in July is the quintessential summer postcard. The city is set ablaze with heat, and rain showers are scarce. With 14.1 hours of sunshine and an attendant decrease in cloud cover, the city thrives in the summer bloom. The hot temperatures of 76.3°F (24.6°C) to 94.6°F (34.8°C) highlight the peak of summer in Richardson.Temperature
July's onset brings an average high-temperature of a still tropical 94.6°F (34.8°C), showing a minute difference from June's 91°F (32.8°C). The low-temperature averages to a warm 76.3°F (24.6°C) during the nights of July.Heat index
The heat index for July is calculated to be a life-threatening hot 113°F (45°C). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.Observations indicate that the heat index values are for shady locations with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In Richardson, the average relative humidity in July is 61%.Rainfall
In July, the rain falls for 11.3 days. Throughout July, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 118.4 rainfall days, and 15.51" (394mm) of precipitation is accumulated.Snowfall
In Richardson, snow does not fall in March through October.Daylight
The average length of the day in July is 14h and 4min.On the first day of the month, sunrise is at 6:22 am and sunset at 8:39 pm. On the last day of July, sunrise is at 6:40 am and sunset at 8:26 pm CDT.
Sunshine
In Richardson, the average sunshine in July is 10.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In July, the maximum UV index of 7 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Richardson, TX
- Average high temperature in July: 94.6°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in July: 76.3°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in July
Richardson, TX
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in July
Richardson, TX
- Average wind speed in July: 7.2mph
The windiest months (with the highest average wind speed) are March and April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in July
Richardson, TX
- Average humidity in July: 61%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).
Average rainfall in July
Richardson, TX
- Average rainfall in July: 1.14"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in July
Richardson, TX
- Average rainfall days in July: 11.3 days
The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in July
Richardson, TX
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in July
Richardson, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.3 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
Richardson, TX
- Average daylight in July: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in July: 10h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in July
Richardson, TX
- Average sunshine days in July: 17.2 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in July
Richardson, TX
- 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 and December (UV index 3).
Average cloud cover in July
Richardson, TX
- Average cloud cover in July: 23
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in July
Richardson, TX
- 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).





