August weather forecast
Humboldt, IL

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Weather in August

August, the last month of the summer in Humboldt, is another warm month, with an average temperature ranging between max 81°F (27.2°C) and min 63.9°F (17.7°C).

Temperature

As Humboldt steps into August, the average high-temperature holds at a still moderately hot 81°F (27.2°C), hinting at a minor fluctuation from the prior month. During the August nights, an average temperature of 63.9°F (17.7°C) is observed.

Heat index

In August, the average heat index is appraised at a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

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

Rainfall

In Humboldt, in August, it is raining for 15 days, with typically 2.32" (59mm) of accumulated precipitation. In Humboldt, during the entire year, the rain falls for 151.5 days and collects up to 25.71" (653mm) of precipitation.

Snowfall

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

Daylight

In Humboldt, the average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:05 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:25 pm CDT.

Sunshine

The average sunshine in August is 10h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

An average high-temperature, in August, in Humboldt, is 81°F (27.2°C) and the average low-temperature is 63.9°F (17.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 82%.

How many days does it rain in August?

In Humboldt, Illinois, during August, the rain falls for 15 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

The average day length in August is 13h and 41min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:25 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 10h.

When is the highest UV index?

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

What is the UV index reading in August?

In Humboldt, the average daily maximum UV index in August 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
Humboldt, IL

Average temperature in August - Humboldt, IL
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Humboldt, IL

Average pressure in August - Humboldt, 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
Humboldt, IL

Average wind speed in August - Humboldt, IL
  • Average wind speed in August: 6.3mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in August
Humboldt, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Humboldt, IL

Average rainfall in August - Humboldt, IL
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days in August
Humboldt, IL

Average rainfall days in August - Humboldt, IL
  • Average rainfall days in August: 15 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in August
Humboldt, IL

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

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Humboldt, IL

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

The month with the highest number of snowfall days is January (8.5 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
Humboldt, IL

Average daylight in August / Average sunshine in August - Humboldt, 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 month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Humboldt, IL

Average sunshine days in August - Humboldt, IL
  • Average sunshine days in August: 11.8 days

The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in August
Humboldt, IL

Average UV index in August - Humboldt, 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
Humboldt, IL

Average cloud cover in August - Humboldt, IL
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in August
Humboldt, IL

Average visibility in August - Humboldt, 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).

Humboldt, Illinois, USA

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