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
Marseilles experiences an average high-temperature of a still moderately hot 79.5°F (26.4°C) in August, marking an insignificant shift from 81°F (27.2°C) in July. Marseilles observes an average nighttime temperature of 62.1°F (16.7°C) during August.Humidity
The average relative humidity in August in Marseilles, Illinois, is 84%.Rainfall
In Marseilles, in August, it is raining for 15 days, with typically 2.28" (58mm) of accumulated precipitation. In Marseilles, during the entire year, the rain falls for 154.1 days and collects up to 31.73" (806mm) of precipitation.Snowfall
May through September are months without snowfall in Marseilles.Daylight
The average length of the day in August in Marseilles is 13h and 47min.On the first day of August in Marseilles, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:28 pm CDT.
Sunshine
June and August, with an average of 9.8h of sunshine, are months with the most sunshine in Marseilles.UV index
In August, the average daily maximum UV index in Marseilles is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average August temperature in Marseilles?
What is the average humidity in August in Marseilles?
How many days does it rain in August in Marseilles?
When it does not snow in Marseilles?
What is the average length of the day in August in Marseilles?
What time are sunrise and sunset in August in Marseilles?
What is the month with the most sunshine in Marseilles?
How long on average sun shines in August in Marseilles?
What is the UV index reading in August in Marseilles?
Average temperature in August
Marseilles, IL
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in August: 62.1°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 (17.2°F).
Average pressure in August
Marseilles, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Marseilles, IL
- Average wind speed in August: 6.1mph
The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in August
Marseilles, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Marseilles, IL
- Average rainfall in August: 2.28"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in August
Marseilles, IL
- Average rainfall days in August: 15 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Marseilles, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Marseilles, 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, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marseilles, 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 54min).
Average sunshine days in August
Marseilles, IL
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in August
Marseilles, 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
Marseilles, 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
Marseilles, 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).
Marseilles, Illinois, USA
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