July weather forecast
Long Lake, IL

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Weather in July

July, like June, in Long Lake, Illinois, is a moderately hot summer month, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 64.4°F (18°C).

Temperature

Long Lake's warmest month, July, registers temperatures that range from a high of 79.9°F (26.6°C) to a low of 64.4°F (18°C).

Humidity

In July, the average relative humidity is 80%.

Rainfall

In July, the rain falls for 17.5 days. Throughout July, 2.48" (63mm) of precipitation is accumulated. In Long Lake, during the entire year, the rain falls for 142.3 days and collects up to 21.97" (558mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 55min.
On the first day of the month, sunrise is at 5:19 am and sunset at 8:33 pm. On the last day of July, in Long Lake, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

Sunshine

The average sunshine in July is 10.1h.

UV index

July and 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 threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 6 translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July is the month when Long Lake's temperatures reach their peak, with averages of 79.9°F (26.6°C) and lows of 64.4°F (18°C).

What is the average July temperature?

The average high-temperature and low-temperature during July are 79.9°F (26.6°C) and 64.4°F (18°C) respectively.

What is the average humidity in July?

The average relative humidity in July is 80%.

How much does it rain in July?

In July, the rain falls for 17.5 days. Throughout July, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Long Lake?

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

How many hours of daylight does Long Lake have in July?

In Long Lake, Illinois, the average day length in July is 14h and 55min.

When are sunrise and sunset in July in Long Lake?

In July, on the first day of the month, sunrise is at 5:19 am and sunset at 8:33 pm. On the last day of the month, in Long Lake, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Long Lake have in July?

In July, the average sunshine duration is 10.1h.

When is the highest UV index?

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

How high is the UV index in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe 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
Long Lake, IL

Average temperature in July - Long Lake, IL
  • Average high temperature in July: 79.9°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°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 (16.5°F).

Average pressure in July
Long Lake, IL

Average pressure in July - Long Lake, IL
  • Average pressure in July: 29.97"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in July
Long Lake, IL

Average wind speed in July - Long Lake, IL
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in July
Long Lake, IL

Average humidity in July - Long Lake, IL
  • Average humidity in July: 80%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in July
Long Lake, IL

Average rainfall in July - Long Lake, IL
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").

Average rainfall days in July
Long Lake, IL

Average rainfall days in July - Long Lake, IL
  • Average rainfall days in July: 17.5 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).

Average snowfall in July
Long Lake, IL

Average snowfall in July - Long Lake, IL
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Long Lake, IL

Average snowfall days in July - Long Lake, IL
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Long Lake, IL

Average daylight in July / Average sunshine in July - Long Lake, 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 6min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in July
Long Lake, IL

Average sunshine days in July - Long Lake, 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 May (10.8 days).

Average UV index in July
Long Lake, IL

Average UV index in July - Long Lake, IL
  • Average UV index in July: 6

The months with the highest UV index are 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
Long Lake, IL

Average cloud cover in July - Long Lake, IL
  • Average cloud cover in July: 30

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 30).

Average visibility in July
Long Lake, IL

Average visibility in July - Long Lake, IL
  • Average visibility in July: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Long Lake, Illinois, USA

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