July weather forecast
Clifton, IL

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Weather in July

July, the same as June, is another warm summer month in Clifton, Illinois, with an average temperature ranging between max 81.1°F (27.3°C) and min 64.4°F (18°C).

Temperature

July is the warmest month of the year, registering average temperatures as high as 81.1°F (27.3°C) and as low as 64.4°F (18°C).

Heat index

During July, the heat index is estimated at a tropical 87.8°F (31°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The most humid month in Clifton is July, with an average relative humidity of 85%.

Rainfall

In Clifton, during July, the rain falls for 17.2 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 138.7 rainfall days, and 21.77" (553mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day in Clifton is 14h and 46min.
On the first day of July in Clifton, sunrise is at 5:23 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:08 pm CDT.

Sunshine

In Clifton, the average sunshine in July is 9.6h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What month is the hottest?

July is the month when Clifton's temperatures reach their peak, with averages of 81.1°F (27.3°C) and lows of 64.4°F (18°C).

What is the average July temperature?

In Clifton, 81.1°F (27.3°C) is the average high-temperature and 64.4°F (18°C) is the average low-temperature during July. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the most humid month?

With an average relative humidity of 85%, July is the most humid month.

What is the average humidity in July?

In Clifton, the average relative humidity in July is 85%.

How many days does it rain in July?

In Clifton, Illinois, in July, during 17.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow?

In Clifton, snow does not fall in May through September.

How many hours of daylight does Clifton have in July?

In July, the average day length is 14h and 46min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:23 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:08 pm CDT.

How long on average sun shines in July?

The average sunshine duration in July is 9.6h.

What are the months with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What is the UV index intensity in July?

In Clifton, Illinois, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Clifton, IL

Average temperature in July - Clifton, 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 (30.2°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 (18.5°F).

Average pressure in July
Clifton, IL

Average pressure in July - Clifton, 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
Clifton, IL

Average wind speed in July - Clifton, IL
  • Average wind speed in July: 6.3mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in July
Clifton, IL

Average humidity in July - Clifton, 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 (71%).

Average rainfall in July
Clifton, IL

Average rainfall in July - Clifton, IL
  • Average rainfall in July: 2.36"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").

Average rainfall days in July
Clifton, IL

Average rainfall days in July - Clifton, IL
  • Average rainfall days in July: 17.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in July
Clifton, IL

Average snowfall in July - Clifton, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Clifton, IL

Average snowfall days in July - Clifton, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (10.8 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
Clifton, IL

Average daylight in July / Average sunshine in July - Clifton, 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 18min).

  • Average sunshine in July: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Clifton, IL

Average sunshine days in July - Clifton, IL
  • Average sunshine days in July: 10 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).

Average UV index in July
Clifton, IL

Average UV index in July - Clifton, 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
Clifton, IL

Average cloud cover in July - Clifton, IL
  • Average cloud cover in July: 36

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in July
Clifton, IL

Average visibility in July - Clifton, 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).

Clifton, Illinois, USA

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