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
Hillsdale starts August with an average high-temperature of a still moderately hot 79.9°F (26.6°C), a minor shift from July's 80.2°F (26.8°C). During August nights, Hillsdale records an average temperature of 61.9°F (16.6°C).Humidity
In August, the average relative humidity in Hillsdale, Illinois, is 82%.Rainfall
In Hillsdale, in August, it is raining for 13.2 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 145.7 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
In Hillsdale, snow does not fall in May through September.Daylight
In Hillsdale, the average length of the day in August is 13h and 48min.On the first day of the month, sunrise is at 5:55 am and sunset at 8:18 pm. On the last day of August, in Hillsdale, sunrise is at 6:26 am and sunset at 7:35 pm CDT.
Sunshine
In August, the average sunshine in Hillsdale is 9.8h.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index in Hillsdale, Illinois. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 in August translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Hillsdale in August?
What is the average humidity in August in Hillsdale?
How much does it rain in Hillsdale in August?
When it does not snow in Hillsdale?
What is the average length of the day in August in Hillsdale?
When is the sunrise / sunset in August in Hillsdale?
How long on average sun shines in August in Hillsdale?
What is the month with the highest UV index in Hillsdale?
What is the UV index intensity in August in Hillsdale?
Average temperature in August
Hillsdale, IL
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 61.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
Hillsdale, IL
- Average pressure in August: 29.97"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
Hillsdale, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Hillsdale, IL
- Average humidity in August: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Hillsdale, IL
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in August
Hillsdale, IL
- Average rainfall days in August: 13.2 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Hillsdale, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Hillsdale, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 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
Hillsdale, 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 12min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Hillsdale, IL
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in August
Hillsdale, IL
- Average UV index in August: 6
The months with the highest UV index are 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
Hillsdale, IL
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Hillsdale, 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).
Hillsdale, Illinois, USA
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