July weather forecastNiantic, IL
July
Weather in July
July, like June, in Niantic, Illinois, is another warm summer month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82°F (27.8°C).Temperature
Niantic's temperatures peak on average in July, reaching 82°F (27.8°C) at their highest and 65.7°F (18.7°C) at their lowest.Heat index
During July, the heat index is computed to be a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
With an average relative humidity of 84%, July is the most humid month in Niantic.Rainfall
In Niantic, during July, the rain falls for 16.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Niantic, during the entire year, the rain falls for 141.8 days and collects up to 22.24" (565mm) of precipitation.Snowfall
In Niantic, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 40min.On the first day of July, sunrise is at 5:32 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:10 pm CDT.
Sunshine
The average sunshine in July is 9.9h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 6 in July transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Niantic, IL
- Average high temperature in July: 82°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in July: 65.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in July
Niantic, 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
Niantic, IL
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in July
Niantic, IL
- Average humidity in July: 84%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in July
Niantic, IL
- Average rainfall in July: 2.05"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in July
Niantic, IL
- Average rainfall days in July: 16.3 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 (6.3 days).
Average snowfall in July
Niantic, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Niantic, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in July /
Average sunshine in July
Niantic, 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
Niantic, IL
- Average sunshine days in July: 10.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in July
Niantic, 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 January (UV index 1).
Average cloud cover in July
Niantic, IL
- Average cloud cover in July: 32
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in July
Niantic, 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).
