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
Jefferson's July weather, marked by an average high temperature of 94.8°F (34.9°C) and an average low temperature of 73°F (22.8°C), is the warmest in the year.Heat index
The heat index in July is estimated at a burning hot 120.2°F (49°C). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.Be advised, the heat index considers values for conditions in shade and with a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In July, the average relative humidity in Jefferson is 69%.Rainfall
In Jefferson, during July, the rain falls for 14.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, in Jefferson, there are 155.6 rainfall days, and 35.79" (909mm) of precipitation is accumulated.Snowfall
In Jefferson, snow does not fall in April through December.Daylight
The average length of the day in July in Jefferson is 14h and 4min.On the first day of July, sunrise is at 6:13 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:16 pm CDT.
Sunshine
In Jefferson, the average sunshine in July is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 7 in July translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What part of the year is the hottest in Jefferson?
How hot does it get in Jefferson in July?
What is the average humidity in July in Jefferson?
How many days does it rain in July in Jefferson?
When it does not snow in Jefferson?
What is the average length of the day in July in Jefferson?
When are sunrise and sunset in July in Jefferson?
How long on average sun shines in July in Jefferson?
What is the month with the highest UV index in Jefferson?
How high is the UV index in July in Jefferson?
Average temperature in July
Jefferson, TX
- Average high temperature in July: 94.8°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in July: 73°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in July
Jefferson, TX
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Jefferson, TX
- Average wind speed in July: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in July
Jefferson, TX
- Average humidity in July: 69%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (67%).
Average rainfall in July
Jefferson, TX
- Average rainfall in July: 2.44"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in July
Jefferson, TX
- Average rainfall days in July: 14.5 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in July
Jefferson, TX
- Average snowfall in July: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in July
Jefferson, TX
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (1.1 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
Jefferson, TX
- Average daylight in July: 14h and 1min
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 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in July
Jefferson, TX
- Average sunshine days in July: 14.8 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in July
Jefferson, TX
- Average UV index in July: 7
The months with the highest UV index are 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
Jefferson, TX
- Average cloud cover in July: 29
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
Jefferson, TX
- Average visibility in July: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Jefferson, Texas, USA
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