Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The advent of August brings an average high-temperature of a still warm 80.1°F (26.7°C), exhibiting minor difference from the previous month. Pontiac experiences an average temperature drop to an enjoyable 62.4°F (16.9°C) during August nights.Humidity
In Pontiac, the average relative humidity in August is 83%.Rainfall
In Pontiac, Illinois, in August, during 12.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 125.3 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day in Pontiac is 13h and 45min.On the first day of August in Pontiac, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:28 pm CDT.
Sunshine
The months with the most sunshine are June and August, with an average of 9.8h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In August, the UV index of 5 transforms into the following advice:
Take precautions - Protection against skin and eye damage is obliged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the average August temperature in Pontiac?
What is the average humidity in August in Pontiac?
How many days does it rain in August in Pontiac?
When it does not snow in Pontiac?
What is the average length of the day in August in Pontiac?
When are sunrise and sunset in August in Pontiac?
What is the month with the most sunshine in Pontiac?
How many hours of sunshine does Pontiac have in August?
How high is the UV index in August in Pontiac?
Average temperature in August
Pontiac, IL
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in August: 62.4°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 (18.5°F).
Average pressure in August
Pontiac, 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 (29.92"Hg).
Average wind speed in August
Pontiac, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Pontiac, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Pontiac, IL
- Average rainfall in August: 1.3"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in August
Pontiac, IL
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in August
Pontiac, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Pontiac, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.2 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
Pontiac, 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 months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Pontiac, IL
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Pontiac, 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 December (UV index 1).
Average cloud cover in August
Pontiac, 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
Pontiac, 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).
Pontiac, Illinois, USA
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