August weather forecast
Lacon, IL

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Weather in August

August, the last month of the summer in Lacon, is another warm month, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 62.6°F (17°C).

Temperature

August begins with an average high-temperature of a still moderately hot 80.2°F (26.8°C), reflecting close similarity to the preceding month. Lacon cools down to an average low-temperature of 62.6°F (17°C) throughout the month of August.

Humidity

In Lacon, the average relative humidity in August is 82%.

Rainfall

In August, the rain falls for 15.3 days. Throughout August, 2.4" (61mm) of precipitation is accumulated. In Lacon, during the entire year, the rain falls for 148.8 days and collects up to 30.94" (786mm) of precipitation.

Snowfall

In Lacon, Illinois, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 46min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:31 pm CDT.

Sunshine

In Lacon, the average sunshine in August is 9.7h.

UV index

In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during August translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Lacon?

August temperatures vary between a high-temperature of 80.2°F (26.8°C) and a low-temperature of 62.6°F (17°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the average humidity in August in Lacon?

The average relative humidity in August is 82%.

How many days does it rain in August?

In Lacon, in August, it is raining for 15.3 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

How many hours of daylight does Lacon have in August?

In August, the average day length in Lacon is 13h and 46min.

When are sunrise and sunset in August in Lacon?

In August, on the first day of the month, sunrise is at 5:54 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:31 pm CDT.

How many hours of sunshine does Lacon have in August?

The average sunshine duration in August is 9.7h.

How high is the UV index in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Lacon, IL

Average temperature in August - Lacon, IL
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in August
Lacon, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Lacon, IL

Average wind speed in August - Lacon, IL
  • Average wind speed in August: 6.5mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in August
Lacon, IL

Average humidity in August - Lacon, IL
  • Average humidity in August: 82%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Lacon, IL

Average rainfall in August - Lacon, IL
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.57").

Average rainfall days in August
Lacon, IL

Average rainfall days in August - Lacon, IL
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.5 days).

Average snowfall in August
Lacon, IL

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

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Lacon, IL

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

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Lacon, IL
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Lacon, IL

Average sunshine days in August - Lacon, IL
  • Average sunshine days in August: 12.9 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in August
Lacon, IL

Average UV index in August - Lacon, IL
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
Lacon, IL

Average cloud cover in August - Lacon, IL
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in August
Lacon, IL

Average visibility in August - Lacon, IL
  • Average visibility in August: 5mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Lacon, Illinois, USA

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