July weather forecast
Forest Lake, IL

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Weather in July

July, the same as June, is a moderately hot summer month in Forest Lake, Illinois, with an average temperature ranging between max 80.6°F (27°C) and min 64.9°F (18.3°C).

Temperature

Forest Lake's July weather, with an average high temperature of 80.6°F (27°C) and an average low temperature of 64.9°F (18.3°C), tends to be the warmest of the year.

Heat index

During July, the heat index is evaluated at a tropical 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Forest Lake, Illinois, the average relative humidity in July is 79%.

Rainfall

In Forest Lake, in July, during 18.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Forest Lake, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

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

Daylight

In Forest Lake, the average length of the day in July is 14h and 54min.
On the first day of July in Forest Lake, sunrise is at 5:20 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

Sunshine

July and August, with an average of 10.1h of sunshine, are months with the most sunshine in Forest Lake.

UV index

July and August, 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 risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What time of the year is the hottest in Forest Lake?

July is the warmest month in Forest Lake, Illinois, with an average high-temperature of 80.6°F (27°C) and an average low-temperature of 64.9°F (18.3°C).

What is the average July temperature in Forest Lake?

In Forest Lake, 80.6°F (27°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in July in Forest Lake?

In July, the average relative humidity in Forest Lake, Illinois, is 79%.

How many days does it rain in July in Forest Lake?

In Forest Lake, Illinois, in July, during 18.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When it does not snow in Forest Lake?

June through September are months without snowfall in Forest Lake.

What is the average length of the day in July in Forest Lake?

The average day length in July is 14h and 54min.

When is the sunrise / sunset in July in Forest Lake?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:32 pm. On the last day of the month, in Forest Lake, sunrise is at 5:44 am and sunset at 8:12 pm CDT.

What are the months with the most sunshine in Forest Lake?

The months with the most sunshine in Forest Lake, Illinois, are July and August, with an average of 10.1h of sunshine.

How long on average sun shines in July in Forest Lake?

In July, the average sunshine duration in Forest Lake, Illinois, is 10.1h.

What is the month with the highest UV index in Forest Lake?

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

What is the UV index reading in July in Forest Lake?

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

Average temperature in July - Forest Lake, IL
  • Average high temperature in July: 80.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°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 (16.3°F).

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Average pressure in July
Forest Lake, IL

Average pressure in July - Forest Lake, 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).

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Average wind speed in July
Forest Lake, IL

Average wind speed in July - Forest Lake, IL
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in July
Forest Lake, IL

Average humidity in July - Forest Lake, IL
  • Average humidity in July: 79%

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

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Average rainfall in July
Forest Lake, IL

Average rainfall in July - Forest Lake, IL
  • Average rainfall in July: 3.27"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

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Average rainfall days in July
Forest Lake, IL

Average rainfall days in July - Forest Lake, IL
  • Average rainfall days in July: 18.6 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in July
Forest Lake, IL

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

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Forest Lake, IL

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

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Forest 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 12min).

  • Average sunshine in July: 10h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in July
Forest Lake, IL

Average sunshine days in July - Forest Lake, IL
  • Average sunshine days in July: 9.3 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

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Average UV index in July
Forest Lake, IL

Average UV index in July - Forest 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).

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Average cloud cover in July
Forest Lake, IL

Average cloud cover in July - Forest Lake, IL
  • Average cloud cover in July: 31

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 31).

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Average visibility in July
Forest Lake, IL

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

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

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Forest Lake, Illinois, USA

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