August weather forecast
Palatine, IL

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Weather in August

August, although slightly cooler than July with a high of 80.1°F (26.7°C), maintains a warm, summer environment in Palatine. The city still benefits from an extensive period of sunshine lasting 10.1 hours a day, presenting the quintessential picture of summer, despite being on its tail end. While the days remain sun-filled and warm, the arrival of evening often brings a refreshing breeze. This is the point in the year where locals embrace the last full month of summer, basking in the lingering warmth. The weather patterns of August allow inhabitants to enjoy the final stretch of sunny days before the city begins to cool off once again.

Temperature

As July transitions into August, Palatine records an average high-temperature of a still moderately hot 80.1°F (26.7°C), showing a gentle shift from the preceding month. Palatine observes an average low-temperature of 64.4°F (18°C) during August nights.

Humidity

In Palatine, Illinois, the average relative humidity in August is 76%.

Rainfall

In August, the rain falls for 14.5 days. Throughout August, 1.73" (44mm) of precipitation is 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 Palatine, the average length of the day in August is 13h and 50min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of August, in Palatine, sunrise is at 6:17 am and sunset at 7:27 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 in Palatine are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What are the temperatures in Palatine in August?

In Palatine, 80.1°F (26.7°C) is the average high-temperature and 64.4°F (18°C) is the average low-temperature during August. 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 August in Palatine?

The average relative humidity in August in Palatine, Illinois, is 76%.

How much does it rain in Palatine in August?

In August, in Palatine, Illinois, the rain falls for 14.5 days. Throughout August, 1.73" (44mm) of precipitation is accumulated.

When it does not snow in Palatine?

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

What is the average length of the day in August in Palatine?

In Palatine, Illinois, the average day length in August is 13h and 50min.

What time are sunrise and sunset in August in Palatine?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, in Palatine, Illinois, sunrise is at 6:17 am and sunset at 7:27 pm CDT.

What is the month with the most sunshine in Palatine?

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

How long on average sun shines in August in Palatine?

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

When is the highest UV index in Palatine?

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

What is the UV index reading in August in Palatine?

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

Average temperature in August - Palatine, IL
  • Average high temperature in August: 80.1°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 August: 64.4°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 August
Palatine, IL

Average pressure in August - Palatine, IL
  • Average pressure in August: 29.98"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 August
Palatine, IL

Average wind speed in August - Palatine, IL
  • Average wind speed in August: 6.3mph

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 August
Palatine, IL

Average humidity in August - Palatine, IL
  • Average humidity in August: 76%

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 August
Palatine, IL

Average rainfall in August - Palatine, IL
  • Average rainfall in August: 1.73"

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 August
Palatine, IL

Average rainfall days in August - Palatine, IL
  • Average rainfall days in August: 14.5 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 August
Palatine, IL

Average snowfall in August - Palatine, IL
  • Average snowfall in August: 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 August
Palatine, IL

Average snowfall days in August - Palatine, IL
  • Average snowfall days in August: 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 August /
Average sunshine in August
Palatine, IL

Average daylight in August / Average sunshine in August - Palatine, IL
  • Average daylight in August: 13h 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 August: 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 August
Palatine, IL

Average sunshine days in August - Palatine, IL
  • Average sunshine days in August: 12.8 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 August
Palatine, IL

Average UV index in August - Palatine, IL
  • Average UV index in August: 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 August
Palatine, IL

Average cloud cover in August - Palatine, IL
  • Average cloud cover in August: 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 August
Palatine, IL

Average visibility in August - Palatine, IL
  • Average visibility in August: 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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