August weather forecast
Nebo, IL

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Weather in August

The last month of the summer, August, is another warm month in Nebo, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.5°F (28.6°C).

Temperature

The introduction of August notes a subtle temperature variation to a still warm 83.5°F (28.6°C) from July's 84.4°F (29.1°C). During August nights, Nebo records an average temperature of 65.5°F (18.6°C).

Heat index

In August, the average heat index is calculated to be a tropical 91.4°F (33°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
The heat index's values are generally associated with conditions in shade 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 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Nebo, during August, the rain falls for 12.4 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 128.8 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:35 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a regular UV index of 6 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot is August in Nebo?

The high-temperature, in August, in Nebo, is 83.5°F (28.6°C), while the low-temperature averages to 65.5°F (18.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in August in Nebo?

In August, the average relative humidity is 78%.

How many days does it rain in August in Nebo?

In Nebo, Illinois, in August, during 12.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow in Nebo?

May through October are months without snowfall in Nebo.

How many hours of daylight does Nebo have in August?

In Nebo, Illinois, the average day length in August is 13h and 40min.

When is the sunrise / sunset in August in Nebo?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:15 pm. On the last day of the month, in Nebo, sunrise is at 6:31 am and sunset at 7:35 pm CDT.

How long on average sun shines in August in Nebo?

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

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

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

How high is the UV index in August in Nebo?

The average daily maximum UV index in August in Nebo is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Nebo, IL

Average temperature in August - Nebo, IL
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in August: 65.5°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 (21.6°F).

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Average pressure in August
Nebo, IL

Average pressure in August - Nebo, IL
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in August
Nebo, IL

Average wind speed in August - Nebo, IL
  • Average wind speed in August: 6.2mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in August
Nebo, IL

Average humidity in August - Nebo, IL
  • Average humidity in August: 78%

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

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Average rainfall in August
Nebo, IL

Average rainfall in August - Nebo, IL
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").

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Average rainfall days in August
Nebo, IL

Average rainfall days in August - Nebo, IL
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in August
Nebo, IL

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Nebo, IL

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

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Nebo, 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 24min).

  • Average sunshine in August: 10h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in August
Nebo, IL

Average sunshine days in August - Nebo, IL
  • Average sunshine days in August: 16.4 days

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in August
Nebo, IL

Average UV index in August - Nebo, 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).

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Average cloud cover in August
Nebo, IL

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

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

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Average visibility in August
Nebo, IL

Average visibility in August - Nebo, 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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Nebo, Illinois, USA

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