July weather forecastJohnstons Station, MS
July
Weather in July
July, like June, is another hot summer month in Johnstons Station, Mississippi, with an average temperature varying between 72.1°F (22.3°C) and 90.9°F (32.7°C).Temperature
Johnstons Station's warmest weather arrives in July, when temperatures average a high of 90.9°F (32.7°C) and a low of 72.1°F (22.3°C).Heat index
The heat index for July is computed to be a life-threatening hot 114.8°F (46°C). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
In July, the average relative humidity is 78%.Rainfall
In Johnstons Station, in July, it is raining for 20 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 151.2 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
In Johnstons Station, snow does not fall in February, April through November.Daylight
In July, the average length of the day is 13h and 57min.On the first day of the month, sunrise is at 6:01 am and sunset at 8:10 pm. On the last day of July, sunrise is at 6:18 am and sunset at 7:58 pm CDT.
Sunshine
The average sunshine in July is 10h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 7 in July leads to these guidelines:
Fend off overexposure. Sun protection is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Johnstons Station, MS
- Average high temperature in July: 90.9°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in July: 72.1°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in July
Johnstons Station, MS
- Average pressure in July: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in July
Johnstons Station, MS
- Average wind speed in July: 4.5mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in July
Johnstons Station, MS
- Average humidity in July: 78%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in July
Johnstons Station, MS
- Average rainfall in July: 2.52"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in July
Johnstons Station, MS
- Average rainfall days in July: 20 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in July
Johnstons Station, MS
- Average snowfall in July: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").
Average snowfall days in July
Johnstons Station, MS
- Average snowfall days in July: 0 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in July /
Average sunshine in July
Johnstons Station, MS
- 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: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in July
Johnstons Station, MS
- Average sunshine days in July: 8.9 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in July
Johnstons Station, MS
- 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
Johnstons Station, MS
- Average cloud cover in July: 38
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in July
Johnstons Station, MS
- Average visibility in July: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
