August weather forecast
Watson, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Watson, Illinois, with an average temperature ranging between min 64.8°F (18.2°C) and max 82°F (27.8°C).

Temperature

Entering August, Watson's average high-temperature reads a still warm 82°F (27.8°C), indicating a close resemblance to the previous month's climate. During August, an average low-temperature of 64.8°F (18.2°C) is observed.

Heat index

The average heat index in August is calculated to be a tropical 89.6°F (32°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly meaningful for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

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

Rainfall

In Watson, Illinois, in August, it is raining for 12.7 days, with typically 2.09" (53mm) of accumulated precipitation. In Watson, during the entire year, the rain falls for 135.9 days and collects up to 21.89" (556mm) of precipitation.

Snowfall

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

Daylight

In Watson, the average length of the day in August is 13h and 39min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:25 pm CDT.

Sunshine

In August, the average sunshine in Watson is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Watson. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 6 in August leads to these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Watson?

In August, the average high-temperature and low-temperature are 82°F (27.8°C) and 64.8°F (18.2°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in August in Watson?

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

How much does it rain in Watson in August?

In Watson, Illinois, in August, during 12.7 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Watson?

May through October are months without snowfall.

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

The average day length in August in Watson, Illinois, is 13h and 39min.

When is the sunrise / sunset in August in Watson?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:05 pm. On the last day of the month, in Watson, sunrise is at 6:22 am and sunset at 7:25 pm CDT.

How long on average sun shines in August in Watson?

In Watson, the average sunshine duration in August is 10h.

When is the highest UV index in Watson?

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

What is the UV index reading in August in Watson?

The average daily maximum UV index in August in Watson, Illinois, is 6. A UV Index of 6 to 7 symbolizes 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 August
Watson, IL

Average temperature in August - Watson, IL
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in August
Watson, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in August
Watson, IL

Average wind speed in August - Watson, IL
  • Average wind speed in August: 6.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in August
Watson, IL

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

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Watson, IL

Average rainfall in August - Watson, IL
  • Average rainfall in August: 2.09"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in August
Watson, IL

Average rainfall days in August - Watson, IL
  • Average rainfall days in August: 12.7 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in August
Watson, IL

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

The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Watson, IL

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

The month with the highest number of snowfall days is February (5.3 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
Watson, IL

Average daylight in August / Average sunshine in August - Watson, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in August
Watson, IL

Average sunshine days in August - Watson, IL
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in August
Watson, IL

Average UV index in August - Watson, 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, February, November and December (UV index 2).

Average cloud cover in August
Watson, IL

Average cloud cover in August - Watson, IL
  • Average cloud cover in August: 30

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).

Average visibility in August
Watson, IL

Average visibility in August - Watson, 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).

Watson, Illinois, USA

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