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
August's weather records an average high-temperature of a still warm 79°F (26.1°C), showing little deviation from July. Hanover's nighttime temperature in August drops to an average of 61°F (16.1°C).Humidity
In Hanover, the average relative humidity in August is 81%.Rainfall
In Hanover, in August, it is raining for 13.5 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 145.6 rainfall days, and 28.9" (734mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Hanover.Daylight
The average length of the day in August in Hanover is 13h and 50min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:26 am and sunset at 7:36 pm CDT.
Sunshine
The average sunshine in August in Hanover is 9.8h.UV index
In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Hanover?
What is the average humidity in August in Hanover?
How much does it rain in Hanover in August?
When it does not snow in Hanover?
What is the average length of the day in August in Hanover?
When are sunrise and sunset in August in Hanover?
How many hours of sunshine does Hanover have in August?
What is the UV index reading in August in Hanover?
Average temperature in August
Hanover, IL
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in August: 61°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Hanover, 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 (29.9"Hg).
Average wind speed in August
Hanover, IL
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Hanover, IL
- Average humidity in August: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Hanover, IL
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in August
Hanover, IL
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in August
Hanover, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Hanover, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.6 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
Hanover, IL
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
Average sunshine days in August
Hanover, IL
- Average sunshine days in August: 15.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in August
Hanover, IL
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Hanover, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in August
Hanover, IL
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Hanover, Illinois, USA
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