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
During August, Mark records an average high-temperature of a still moderately hot 79.7°F (26.5°C), marking a slight divergence from July's 80.8°F (27.1°C). The average temperature in Mark drops to a comfortable 61.9°F (16.6°C) during the night in the month of August.Humidity
In August, the average relative humidity in Mark is 83%.Rainfall
In August, the rain falls for 13.9 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Mark, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.Snowfall
May through September are months without snowfall in Mark.Daylight
The average length of the day in August in Mark, Illinois, is 13h and 47min.On the first day of August in Mark, sunrise is at 5:53 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:30 pm CDT.
Sunshine
June through August, with an average of 9.8h of sunshine, are months with the most sunshine in Mark, Illinois.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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, a daily UV index of 6 turns into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Mark in August?
What is the average humidity in August in Mark?
How much does it rain in Mark in August?
When it does not snow in Mark?
What is the average length of the day in August in Mark?
When are sunrise and sunset in August in Mark?
What is the month with the most sunshine in Mark?
How many hours of sunshine does Mark have in August?
When is the highest UV index in Mark?
What is the UV index intensity in August in Mark?
Average temperature in August
Mark, IL
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in August
Mark, 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
Mark, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Mark, 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 (72%).
Average rainfall in August
Mark, IL
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days in August
Mark, IL
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in August
Mark, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Mark, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Mark, 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, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Mark, IL
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in August
Mark, 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 and December (UV index 1).
Average cloud cover in August
Mark, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Mark, IL
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Mark, Illinois, USA
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