July weather forecastSaint Joseph, IL
July
Weather in July
July, like June, in Saint Joseph, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 65.1°F (18.4°C).Temperature
Saint Joseph's July weather, marked by an average high temperature of 81.1°F (27.3°C) and an average low temperature of 65.1°F (18.4°C), is the warmest in the year.Heat index
During July, the heat index is estimated at a hot 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
July is the most humid month, with an average relative humidity of 85%.Rainfall
In Saint Joseph, Illinois, in July, during 14.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Saint Joseph, there are 129.9 rainfall days, and 18.15" (461mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Saint Joseph.Daylight
In Saint Joseph, the average length of the day in July is 14h and 41min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:25 pm. On the last day of July, in Saint Joseph, sunrise is at 5:50 am and sunset at 8:06 pm CDT.
Sunshine
In Saint Joseph, the average sunshine in July is 9.9h.UV index
The months with the highest UV index in Saint Joseph are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during July translates into the following guidance:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Saint Joseph, IL
- Average high temperature in July: 81.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in July: 65.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in July
Saint Joseph, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Saint Joseph, IL
- Average wind speed in July: 6.4mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in July
Saint Joseph, IL
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Saint Joseph, IL
- Average rainfall in July: 1.69"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in July
Saint Joseph, IL
- Average rainfall days in July: 14.7 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in July
Saint Joseph, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Saint Joseph, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Saint Joseph, IL
- Average daylight in July: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in July
Saint Joseph, IL
- Average sunshine days in July: 11.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in July
Saint Joseph, IL
- Average UV index in July: 6
The months with the highest UV index are 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
Saint Joseph, IL
- Average cloud cover in July: 33
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in July
Saint Joseph, IL
- Average visibility in July: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
