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
As San Diego transitions from June to July, the average high-temperatures adjust to a sweltering 96.4°F (35.8°C), nearly the same as the previous 93.7°F (34.3°C). Throughout the month of July, the average temperature dips to a moderately hot 75.7°F (24.3°C) at night.Heat index
The heat index in July is calculated to be a life-threatening hot 123.8°F (51°C). Notice: Heat cramps and heat exhaustion are likely. Continued strenuous activity might lead to heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In July, the average relative humidity in San Diego is 66%.Rainfall
In San Diego, during July, the rain falls for 10.2 days and regularly aggregates up to 1.54" (39mm) of precipitation. In San Diego, Texas, during the entire year, the rain falls for 123.7 days and collects up to 15.24" (387mm) of precipitation.Snowfall
In San Diego, Texas, snow does not fall in March through November.Daylight
In San Diego, the average length of the day in July is 13h and 42min.On the first day of July, sunrise is at 6:41 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 8:22 pm CDT.
Sunshine
The month with the most sunshine in San Diego is July, with an average of 10.9h of sunshine.UV index
With an average maximum UV index of 8, July is the month with the highest UV index. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 8 during July translates into the following guidance:
Always take precautions; unprotected eyes and skin can be damaged rapidly. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
How hot is it in San Diego in July?
What is the average humidity in July in San Diego?
How many days does it rain in July in San Diego?
When it does not snow in San Diego?
What is the average length of the day in July in San Diego?
What time are sunrise and sunset in July in San Diego?
What month has the most sunshine in San Diego?
How many hours of sunshine does San Diego have in July?
When is the highest UV index in San Diego?
What is the UV index intensity in July in San Diego?
Average temperature in July
San Diego, TX
- Average high temperature in July: 96.4°F
The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (65.5°F).
- Average low temperature in July: 75.7°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).
Average pressure in July
San Diego, TX
- Average pressure in July: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in July
San Diego, TX
- Average wind speed in July: 10.6mph
The windiest month (with the highest average wind speed) is May (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.2mph).
Average humidity in July
San Diego, TX
- Average humidity in July: 66%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (62%).
Average rainfall in July
San Diego, TX
- Average rainfall in July: 1.54"
The wettest month (with the highest rainfall) is September (2.52").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in July
San Diego, TX
- Average rainfall days in July: 10.2 days
The month with the highest number of rainy days is September (17.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in July
San Diego, TX
- Average snowfall in July: 0"
The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
San Diego, TX
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and February (0.2 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
San Diego, TX
- Average daylight in July: 13h and 4min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in July: 10h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in July
San Diego, TX
- Average sunshine days in July: 19 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (11.2 days).
Average UV index in July
San Diego, TX
- Average UV index in July: 8
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in July
San Diego, TX
- Average cloud cover in July: 23
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in July
San Diego, 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).
San Diego, Texas, USA
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