July weather forecastOld Jefferson, LA
July
Weather in July
July, like June, is another hot summer month in Old Jefferson, Louisiana, with an average temperature ranging between max 91.6°F (33.1°C) and min 74.3°F (23.5°C).Temperature
July stands out as Old Jefferson's warmest month, with an average high-temperature of 91.6°F (33.1°C) and a low-temperature of 74.3°F (23.5°C).Heat index
The heat index in July is evaluated at a blazing hot 118.4°F (48°C). Mind: Heat cramps along with heat exhaustion are anticipated. Heatstroke can develop with continued physical activity.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for 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 normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In Old Jefferson, the average relative humidity in July is 78%.Rainfall
July is the month with the most rainfall. Rain falls for 23.7 days and accumulates 5.47" (139mm) of precipitation.Snowfall
In Old Jefferson, snow does not fall in February through November.Daylight
In July, the average length of the day is 13h and 53min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:10 pm. On the last day of July, sunrise is at 6:22 am and sunset at 7:58 pm CDT.
Sunshine
In July, the average sunshine in Old Jefferson, Louisiana, is 10.2h.UV index
May through August, with an average maximum UV index of 7, are months with the highest UV index in Old Jefferson. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 7 in July leads to these recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Old Jefferson, LA
- Average high temperature in July: 91.6°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in July: 74.3°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in July
Old Jefferson, LA
- Average pressure in July: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in July
Old Jefferson, LA
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in July
Old Jefferson, LA
- Average humidity in July: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Old Jefferson, LA
- Average rainfall in July: 5.47"
The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in July
Old Jefferson, LA
- Average rainfall days in July: 23.7 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in July
Old Jefferson, LA
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Old Jefferson, LA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Old Jefferson, LA
- Average daylight in July: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in July: 10h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in July
Old Jefferson, LA
- Average sunshine days in July: 5.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in July
Old Jefferson, LA
- Average UV index in July: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in July
Old Jefferson, LA
- Average cloud cover in July: 33
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in July
Old Jefferson, LA
- Average visibility in July: 5mi
The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).
