August weather forecast
Old Gilchrist, IL

Share

Weather in August

The last month of the summer, August, is another warm month in Old Gilchrist, Illinois, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 81°F (27.2°C).

Temperature

August's advent denotes a minor fluctuation in the average high-temperature to a still warm 81°F (27.2°C) from July's 81.5°F (27.5°C). In the month of August, an average of 63.1°F (17.3°C) marks the low-temperature in Old Gilchrist.

Heat index

The heat index in August is appraised at a tropical 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Old Gilchrist, in August, during 10.6 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 121.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.

Snowfall

In Old Gilchrist, snow does not fall in May through September.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of August in Old Gilchrist, 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 7:36 pm CDT.

Sunshine

In August, the average sunshine in Old Gilchrist is 10h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 during August translates into the following guidance:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
[Resources]

Frequently asked questions

What is the usual temperature for Old Gilchrist in August?

August temperatures in Old Gilchrist, Illinois, vary between a high-temperature of 81°F (27.2°C) and a low-temperature of 63.1°F (17.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in August in Old Gilchrist?

In Old Gilchrist, Illinois, the average relative humidity in August is 80%.

How much does it rain in Old Gilchrist in August?

In Old Gilchrist, Illinois, in August, it is raining for 10.6 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow in Old Gilchrist?

In Old Gilchrist, snow does not fall in May through September.

How many hours of daylight does Old Gilchrist have in August?

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

When are sunrise and sunset in August in Old Gilchrist?

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 7:36 pm CDT.

How many hours of sunshine does Old Gilchrist have in August?

In August, the average sunshine duration is 10h.

How high is the UV index in August in Old Gilchrist?

In Old Gilchrist, Illinois, 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 the Sun's 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
Old Gilchrist, IL

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

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in August: 63.1°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 (16.9°F).

[Resources]

Average pressure in August
Old Gilchrist, IL

Average pressure in August - Old Gilchrist, 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).

[Resources]

Average wind speed in August
Old Gilchrist, IL

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

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

[Resources]

Average humidity in August
Old Gilchrist, IL

Average humidity in August - Old Gilchrist, 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%).

[Resources]

Average rainfall in August
Old Gilchrist, IL

Average rainfall in August - Old Gilchrist, IL
  • Average rainfall in August: 1.18"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").

[Resources]

Average rainfall days in August
Old Gilchrist, IL

Average rainfall days in August - Old Gilchrist, IL
  • Average rainfall days in August: 10.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).

[Resources]

Average snowfall in August
Old Gilchrist, IL

Average snowfall in August - Old Gilchrist, IL
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in August
Old Gilchrist, IL

Average snowfall days in August - Old Gilchrist, IL
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Old Gilchrist, IL

Average daylight in August / Average sunshine in August - Old Gilchrist, 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: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days in August
Old Gilchrist, IL

Average sunshine days in August - Old Gilchrist, IL
  • Average sunshine days in August: 17.6 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).

[Resources]

Average UV index in August
Old Gilchrist, IL

Average UV index in August - Old Gilchrist, 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).

[Resources]

Average cloud cover in August
Old Gilchrist, IL

Average cloud cover in August - Old Gilchrist, IL
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).

[Resources]

Average visibility in August
Old Gilchrist, IL

Average visibility in August - Old Gilchrist, 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).

[Resources]

Old Gilchrist, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location