July weather forecastArmstrong, IL
July
Weather in July
July, like June, in Armstrong, Illinois, is a moderately hot summer month, with an average temperature ranging between min 64.4°F (18°C) and max 81.1°F (27.3°C).Temperature
July is the month that records the highest temperatures, with averages ranging from a high of 81.1°F (27.3°C) to a low of 64.4°F (18°C).Heat index
July's average heat index is computed to be a tropical 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The most humid month is July, with an average relative humidity of 85%.Rainfall
In Armstrong, in July, during 17.7 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Armstrong, during the entire year, the rain falls for 146.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
In Armstrong, snow does not fall in May through October.Daylight
In Armstrong, the average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 5:25 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:06 pm CDT.
Sunshine
In Armstrong, the average sunshine in July is 9.9h.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 risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Armstrong, 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 (31.5°F).
- Average low temperature in July: 64.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in July
Armstrong, IL
- Average pressure in July: 29.98"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Armstrong, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Armstrong, 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 (72%).
Average rainfall in July
Armstrong, IL
- Average rainfall in July: 2.13"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in July
Armstrong, IL
- Average rainfall days in July: 17.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in July
Armstrong, IL
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Armstrong, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.8 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
Armstrong, 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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in July
Armstrong, IL
- Average sunshine days in July: 9.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in July
Armstrong, IL
- Average UV index in July: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Armstrong, IL
- Average cloud cover in July: 34
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in July
Armstrong, 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).
