July weather forecastForrest, IL
July
Weather in July
July, like June, in Forrest, Illinois, is another warm summer month, with an average temperature fluctuating between 64.6°F (18.1°C) and 80.8°F (27.1°C).Temperature
July, recording an average high temperature of 80.8°F (27.1°C) and a low temperature of 64.6°F (18.1°C), is Forrest's warmest month.Heat index
The heat index for July is computed to be a hot 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are extremely significant for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The most humid month is July, with an average relative humidity of 86%.Rainfall
In Forrest, in July, during 15.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, in Forrest, there are 130.5 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
In Forrest, snow does not fall in May through September.Daylight
The average length of the day in July is 14h and 45min.On the first day of July, sunrise is at 5:26 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:09 pm CDT.
Sunshine
The average sunshine in July in Forrest is 9.6h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during July translates into the following guidance:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Forrest, IL
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in July: 64.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in July
Forrest, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Forrest, IL
- Average wind speed in July: 6.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in July
Forrest, IL
- Average humidity in July: 86%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Forrest, IL
- Average rainfall in July: 2.09"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in July
Forrest, IL
- Average rainfall days in July: 15.3 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in July
Forrest, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Forrest, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (10.6 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
Forrest, IL
- Average daylight in July: 14h and 48min
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 18min).
- Average sunshine in July: 9h and 36min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in July
Forrest, IL
- Average sunshine days in July: 11.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in July
Forrest, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Forrest, IL
- Average cloud cover in July: 35
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in July
Forrest, 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).
