July weather forecast
Niles, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Niles, Illinois, with an average temperature ranging between min 67.5°F (19.7°C) and max 79.7°F (26.5°C).

Temperature

Niles's warmest month, July, generally records average temperatures ranging from a high of 79.7°F (26.5°C) to a low of 67.5°F (19.7°C).

Humidity

The average relative humidity in July is 75%.

Rainfall

In Niles, during July, the rain falls for 11.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Niles, there are 98.2 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

In Niles, snow does not fall in June through September.

Daylight

In July, the average length of the day is 14h and 53min.
On the first day of the month, sunrise is at 5:19 am and sunset at 8:30 pm. On the last day of July, sunrise is at 5:44 am and sunset at 8:10 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.4h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in July translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What are the warmest months in Niles?

Niles experiences its highest temperatures in July, with an average peak of 79.7°F (26.5°C) and a low of 67.5°F (19.7°C).

What are the temperatures in July?

In July, in Niles, the average high-temperature is 79.7°F (26.5°C), and the average low-temperature is 67.5°F (19.7°C).

What is the average humidity in July?

In July, the average relative humidity is 75%.

How many days does it rain in July in Niles?

In Niles, in July, during 11.5 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When it does not snow?

In Niles, Illinois, snow does not fall in June through September.

What is the average length of the day in July?

The average day length in July is 14h and 53min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:19 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:10 pm CDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.4h of sunshine.

How long on average sun shines in July?

The average sunshine duration in July is 10.4h.

When is the highest UV index?

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

How high is the UV index in July?

The average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
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
Niles, IL

Average temperature in July - Niles, IL
  • Average high temperature in July: 79.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in July: 67.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in July
Niles, IL

Average pressure in July - Niles, 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
Niles, IL

Average wind speed in July - Niles, IL
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in July
Niles, IL

Average humidity in July - Niles, IL
  • Average humidity in July: 75%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in July
Niles, IL

Average rainfall in July - Niles, IL
  • Average rainfall in July: 0.87"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").

Average rainfall days in July
Niles, IL

Average rainfall days in July - Niles, IL
  • Average rainfall days in July: 11.5 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in July
Niles, IL

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

The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Niles, IL

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Niles, IL

Average daylight in July / Average sunshine in July - Niles, IL
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Niles, IL

Average sunshine days in July - Niles, IL
  • Average sunshine days in July: 15.4 days

The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).

Average UV index in July
Niles, IL

Average UV index in July - Niles, IL
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in July
Niles, IL

Average cloud cover in July - Niles, IL
  • Average cloud cover in July: 28

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in July
Niles, IL

Average visibility in July - Niles, IL
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Niles, Illinois, USA

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