August weather forecast
Robinson, IL

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Weather in August

August, the last month of the summer in Robinson, is also a moderately hot month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 82.2°F (27.9°C).

Temperature

The arrival of August coincides with an average high-temperature of a still moderately hot 82.2°F (27.9°C), indicating a minimal shift from July's 83.8°F (28.8°C). During the month of August, Robinson experiences a steady low-temperature average of 64.8°F (18.2°C).

Heat index

Throughout August, the heat index is calculated to be a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

July and August, with an average relative humidity of 81%, are the most humid months in Robinson.

Rainfall

In August, the rain falls for 13 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. In Robinson, during the entire year, the rain falls for 147.2 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

In Robinson, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 5:52 am and sunset at 8:02 pm. On the last day of August, in Robinson, Illinois, sunrise is at 6:19 am and sunset at 7:22 pm CDT.

Sunshine

The average sunshine in August in Robinson is 10.2h.

UV index

May through 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 threat to health from unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Robinson in August?

In August, in Robinson, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 64.8°F (18.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the most humid month in Robinson?

The months with the highest humidity in Robinson are July and August, with an average relative humidity of 81%.

What is the average humidity in August in Robinson?

In Robinson, Illinois, the average relative humidity in August is 81%.

How much does it rain in Robinson in August?

In August, in Robinson, Illinois, the rain falls for 13 days. Throughout August, 2.17" (55mm) of precipitation is accumulated.

When it does not snow in Robinson?

In Robinson, snow does not fall in May through October.

How many hours of daylight does Robinson have in August?

In Robinson, the average day length in August is 13h and 38min.

What time are sunrise and sunset in August in Robinson?

On the first day of August, sunrise is at 5:52 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:22 pm CDT.

How many hours of sunshine does Robinson have in August?

In August, the average sunshine duration in Robinson is 10.2h.

What is the month with the highest UV index in Robinson?

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

What is the UV index intensity in August in Robinson?

In August, the average daily maximum UV index in Robinson is 6. A UV Index value of 6 to 7 symbolizes a high health risk 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 August
Robinson, IL

Average temperature in August - Robinson, IL
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in August
Robinson, IL

Average pressure in August - Robinson, IL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Robinson, IL

Average wind speed in August - Robinson, IL
  • Average wind speed in August: 6mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in August
Robinson, IL

Average humidity in August - Robinson, IL
  • Average humidity in August: 81%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Robinson, IL

Average rainfall in August - Robinson, IL
  • Average rainfall in August: 2.17"

The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in August
Robinson, IL

Average rainfall days in August - Robinson, IL
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in August
Robinson, IL

Average snowfall in August - Robinson, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Robinson, IL

Average snowfall days in August - Robinson, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Robinson, IL

Average daylight in August / Average sunshine in August - Robinson, IL
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in August
Robinson, IL

Average sunshine days in August - Robinson, IL
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Robinson, IL

Average UV index in August - Robinson, IL
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Robinson, IL

Average cloud cover in August - Robinson, IL
  • Average cloud cover in August: 29

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Robinson, IL

Average visibility in August - Robinson, 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).

Robinson, Illinois, USA

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