July weather forecastPotosi, MO
July
Weather in July
July is a hot summer month in Potosi, Missouri, with an average temperature fluctuating between 88.5°F (31.4°C) and 67.1°F (19.5°C).Temperature
In Potosi, the peak average temperatures are observed in July, with a high of 88.5°F (31.4°C) and a low of 67.1°F (19.5°C).Heat index
The average heat index in July is evaluated at an extremely hot 105.8°F (41°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. 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 sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In July, the average relative humidity is 76%.Rainfall
In Potosi, Missouri, in July, during 16.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Potosi, Missouri, there are 142.5 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
In Potosi, Missouri, snow does not fall in April through October.Daylight
In Potosi, the average length of the day in July is 14h and 29min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:29 pm. On the last day of July, in Potosi, sunrise is at 6:06 am and sunset at 8:12 pm CDT.
Sunshine
The average sunshine in July in Potosi, Missouri, is 10.3h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in July leads to these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Potosi, MO
- Average high temperature in July: 88.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in July: 67.1°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in July
Potosi, MO
- 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 (29.92"Hg).
Average wind speed in July
Potosi, MO
- Average wind speed in July: 5.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in July
Potosi, MO
- Average humidity in July: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Potosi, MO
- Average rainfall in July: 2.87"
The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are February, September and November (1.73").
Average rainfall days in July
Potosi, MO
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in July
Potosi, MO
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Potosi, MO
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Potosi, MO
- Average daylight in July: 14h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in July: 10h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in July
Potosi, MO
- Average sunshine days in July: 12.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in July
Potosi, MO
- Average UV index in July: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Potosi, MO
- Average cloud cover in July: 31
The months with the most cloud cover are January, February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in July
Potosi, MO
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





