Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July temperatures tend to peak at an average high of 81.7°F (27.6°C) and dip to a low of 64.9°F (18.3°C).Heat index
In July, the heat index is evaluated at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.One should consider that heat index numbers are for shaded settings and light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Manhattan, the average relative humidity in July is 81%.Rainfall
In Manhattan, during July, the rain falls for 17.3 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Manhattan, during the entire year, the rain falls for 149.8 days and collects up to 31.26" (794mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In July, the average length of the day in Manhattan is 14h and 49min.On the first day of the month, sunrise is at 5:22 am and sunset at 8:29 pm. On the last day of July, in Manhattan, sunrise is at 5:46 am and sunset at 8:09 pm CDT.
Sunshine
The average sunshine in July is 9.4h.UV index
June and July, 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 hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Manhattan?
What are July temperatures?
What is the average humidity in July?
How many days does it rain in July?
When it does not snow?
How many hours of daylight does Manhattan have in July?
What time are sunrise and sunset in July?
How long on average sun shines in July?
What are the months with the highest UV index?
How high is the UV index in July?
Average temperature in July
Manhattan, IL
- Average high temperature in July: 81.7°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in July: 64.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in July
Manhattan, IL
- Average pressure in July: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Manhattan, IL
- Average wind speed in July: 6.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in July
Manhattan, IL
- Average humidity in July: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in July
Manhattan, IL
- Average rainfall in July: 3.23"
The wettest month (with the highest rainfall) is May (4.21").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in July
Manhattan, IL
- Average rainfall days in July: 17.3 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in July
Manhattan, IL
- Average snowfall in July: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Manhattan, IL
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (12.3 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
Manhattan, IL
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 9h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in July
Manhattan, IL
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in July
Manhattan, IL
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in July
Manhattan, IL
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in July
Manhattan, IL
- Average visibility in July: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Manhattan, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location