July weather forecast
Palatine, IL

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Weather in July

July captures the zenith of Palatine’s summer, exhibiting the highest temperature of the year at 81.5°F (27.5°C). The city basks under the glaring sun for 10.1 hours a day, creating a hot and humid ambiance. It is the time of year when locals head to water bodies to cool down under the summer sun, as the city is engulfed in a typical Midwestern summer. Despite the heat, residents make the most of the balmy summer nights, making July a vibrant and active month. It serves as the pinnacle of Palatine's summer, promising sweltering days with an abundance of sunshine.

Temperature

Palatine's warmest temperatures are experienced in July, with average high temperatures of 81.5°F (27.5°C) and lows of 65.8°F (18.8°C).

Heat index

The heat index for July is calculated to be a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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

The average relative humidity in July is 77%.

Rainfall

In Palatine, during July, the rain falls for 15.7 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Palatine, Illinois, there are 120.6 rainfall days, and 13.98" (355mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 53min.
On the first day of July, sunrise is at 5:20 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:11 pm CDT.

Sunshine

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

UV index

The months with the highest UV index in Palatine are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during July translates into the following directions:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are the warmest months in Palatine?

July, with average temperatures reaching a high of 81.5°F (27.5°C) and a low of 65.8°F (18.8°C), is the warmest month in Palatine, Illinois.

What are July temperatures in Palatine?

The high-temperature, in July, in Palatine, records 81.5°F (27.5°C), while the low-temperature is 65.8°F (18.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in July in Palatine?

In July, the average relative humidity is 77%.

How many days does it rain in July in Palatine?

In Palatine, in July, it is raining for 15.7 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow in Palatine?

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

How many hours of daylight does Palatine have in July?

In Palatine, Illinois, the average day length in July is 14h and 53min.

When are sunrise and sunset in July in Palatine?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:31 pm. On the last day of the month, in Palatine, Illinois, sunrise is at 5:45 am and sunset at 8:11 pm CDT.

What is the month with the most sunshine in Palatine?

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

How long on average sun shines in July in Palatine?

In Palatine, the average sunshine duration in July is 10.1h.

What are the months with the highest UV index in Palatine?

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

What is the UV index reading in July in Palatine?

In Palatine, Illinois, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Palatine, IL

Average temperature in July - Palatine, IL
  • Average high temperature in July: 81.5°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in July
Palatine, IL

Average pressure in July - Palatine, 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
Palatine, IL

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

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in July
Palatine, IL

Average humidity in July - Palatine, IL
  • Average humidity in July: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in July
Palatine, IL

Average rainfall in July - Palatine, IL
  • Average rainfall in July: 1.61"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.59").

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Average rainfall days in July
Palatine, IL

Average rainfall days in July - Palatine, IL
  • Average rainfall days in July: 15.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in July
Palatine, IL

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

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Palatine, IL

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

The month with the highest number of snowfall days is January (11.1 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
Palatine, IL

Average daylight in July / Average sunshine in July - Palatine, 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
Palatine, IL

Average sunshine days in July - Palatine, IL
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in July
Palatine, IL

Average UV index in July - Palatine, 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).

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Average cloud cover in July
Palatine, IL

Average cloud cover in July - Palatine, 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
Palatine, IL

Average visibility in July - Palatine, 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).

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Palatine, Illinois, USA

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