July weather forecastThayer, IL
July
Weather in July
July, the same as June, is a moderately hot summer month in Thayer, Illinois, with an average temperature ranging between max 83.1°F (28.4°C) and min 66.7°F (19.3°C).Temperature
The month of July, characterized by an average high of 83.1°F (28.4°C) and a low of 66.7°F (19.3°C), is recognized as the warmest.Heat index
July's heat index is estimated at a hot 93.2°F (34°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
July is the most humid month, with an average relative humidity of 83%.Rainfall
In Thayer, during July, the rain falls for 16.3 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Thayer, during the entire year, the rain falls for 143.6 days and collects up to 23.74" (603mm) of precipitation.Snowfall
May through October are months without snowfall in Thayer.Daylight
In July, the average length of the day in Thayer is 14h and 38min.On the first day of July in Thayer, Illinois, sunrise is at 5:35 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:12 pm CDT.
Sunshine
In July, the average sunshine in Thayer is 10h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during July leads to these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Thayer, IL
- Average high temperature in July: 83.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in July: 66.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in July
Thayer, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Thayer, IL
- Average wind speed in July: 6.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in July
Thayer, IL
- Average humidity in July: 83%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Thayer, IL
- Average rainfall in July: 2.17"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in July
Thayer, IL
- Average rainfall days in July: 16.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in July
Thayer, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Thayer, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (8 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
Thayer, IL
- Average daylight in July: 14h and 36min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in July: 10h and 0min
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 12min).
Average sunshine days in July
Thayer, IL
- Average sunshine days in July: 11.6 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in July
Thayer, 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
Thayer, IL
- Average cloud cover in July: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in July
Thayer, 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).
