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 shift from July to August is characterized by an average high-temperature of a still warm 78.4°F (25.8°C), not significantly different from the 79.7°F (26.5°C) of July. German Valley experiences an average temperature drop to a comfortable 61°F (16.1°C) during August nights.Humidity
In August, the average relative humidity is 84%.Rainfall
In German Valley, during August, the rain falls for 15.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In German Valley, during the entire year, the rain falls for 145.6 days and collects up to 23.43" (595mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In German Valley, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:23 am and sunset at 7:32 pm CDT.
Sunshine
In German Valley, the average sunshine in August is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August in German Valley?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
What is the month with the highest UV index?
How high is the UV index in August?
Average temperature in August
German Valley, IL
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.1°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 (13.5°F).
Average pressure in August
German Valley, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
German Valley, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
German Valley, IL
- Average humidity in August: 84%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (75%).
Average rainfall in August
German Valley, IL
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is June (3.39").
The driest months (with the least rainfall) are February and December (1.06").
Average rainfall days in August
German Valley, IL
- Average rainfall days in August: 15.3 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 days).
Average snowfall in August
German Valley, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
German Valley, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.4 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
German Valley, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
German Valley, IL
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in August
German Valley, IL
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
German Valley, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in August
German Valley, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
German Valley, Illinois, USA
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