August weather forecast
Alexis, IL

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Weather in August

The last month of the summer, August, is also a moderately hot month in Alexis, Illinois, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C).

Temperature

The introduction of August notes a subtle temperature variation to a still warm 81.1°F (27.3°C) from July's 82°F (27.8°C). During the month of August, the temperature falls to an average of 63.3°F (17.4°C).

Heat index

For most parts of August, the heat index is computed to be a tropical 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In Alexis, the average relative humidity in August is 80%.

Rainfall

In Alexis, in August, it is raining for 14 days, with typically 2.13" (54mm) of accumulated precipitation. In Alexis, during the entire year, the rain falls for 149.4 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

In Alexis, snow does not fall in May through September.

Daylight

In Alexis, the average length of the day in August is 13h and 46min.
On the first day of August, sunrise is at 5:58 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm CDT.

Sunshine

The average sunshine in August in Alexis, Illinois, is 9.8h.

UV index

In August, the average daily maximum UV index in Alexis, Illinois, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during August translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature in Alexis?

The high-temperature, in August, in Alexis, records 81.1°F (27.3°C), while the low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in August in Alexis?

The average relative humidity in August is 80%.

How many days does it rain in August in Alexis?

In Alexis, during August, the rain falls for 14 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Alexis?

May through September are months without snowfall in Alexis, Illinois.

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

The average day length in August in Alexis is 13h and 46min.

What time are sunrise and sunset in August in Alexis?

In August, on the first day of the month, sunrise is at 5:58 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm CDT.

How long on average sun shines in August in Alexis?

In August, the average sunshine duration in Alexis, Illinois, is 9.8h.

What is the UV index reading in August in Alexis?

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Alexis, IL

Average temperature in August - Alexis, IL
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average pressure in August
Alexis, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Alexis, IL

Average wind speed in August - Alexis, IL
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in August
Alexis, IL

Average humidity in August - Alexis, IL
  • Average humidity in August: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Alexis, IL

Average rainfall in August - Alexis, IL
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in August
Alexis, IL

Average rainfall days in August - Alexis, IL
  • Average rainfall days in August: 14 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in August
Alexis, IL

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

The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Alexis, IL

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

The month with the highest number of snowfall days is January (10.9 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
Alexis, IL

Average daylight in August / Average sunshine in August - Alexis, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Alexis, IL

Average sunshine days in August - Alexis, IL
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in August
Alexis, IL

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

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

Average cloud cover in August
Alexis, IL

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

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in August
Alexis, IL

Average visibility in August - Alexis, IL
  • Average visibility in August: 6mi

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

Alexis, Illinois, USA

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