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

With an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 65.8°F (18.8°C), July is the warmest month.

Heat index

In July, the heat index is appraised at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In Palatine, the average relative humidity in July is 77%.

Rainfall

In Palatine, in July, during 15.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Palatine, during the entire year, the rain falls for 120.6 days and collects up to 13.98" (355mm) of precipitation.

Snowfall

In Palatine, 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 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

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

UV index

The months with the highest UV index 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 unsafe exposure to UV radiation for the average person.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

Palatine experiences its highest temperatures in July, with an average peak of 81.5°F (27.5°C) and a low of 65.8°F (18.8°C).

What is the usual temperature for Palatine in July?

The average high-temperature and low-temperature during July are 81.5°F (27.5°C) and 65.8°F (18.8°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in July?

In Palatine, the average relative humidity in July is 77%.

How much does it rain in July?

In Palatine, in July, during 15.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

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

When is the sunrise / sunset in July?

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, sunrise is at 5:45 am and sunset at 8:11 pm CDT.

What is the month with the most sunshine?

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

How many hours of sunshine does Palatine have in July?

The average sunshine duration in July is 10.1h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In Palatine, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Palatine, Illinois, USA

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