August weather forecastSussex, WI
August
Weather in August
August, the last month of the summer in Sussex, is another warm month, with an average temperature varying between 61.2°F (16.2°C) and 76.6°F (24.8°C).Temperature
The commencement of August records an average high-temperature of a still warm 76.6°F (24.8°C), barely varying from July's 78.1°F (25.6°C). During August, Sussex records an average temperature of 61.2°F (16.2°C) at night.Humidity
The average relative humidity in August is 81%.Rainfall
In Sussex, in August, during 16.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, in Sussex, there are 149.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
In Sussex, snow does not fall in June through September.Daylight
In Sussex, the average length of the day in August is 13h and 53min.On the first day of August, sunrise is at 5:44 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:29 pm CDT.
Sunshine
August has the most sunshine of the year, with an average of 10.2h of sunshine.UV index
In Sussex, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sussex, WI
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in August
Sussex, WI
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Sussex, WI
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in August
Sussex, WI
- Average humidity in August: 81%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in August
Sussex, WI
- Average rainfall in August: 2.76"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in August
Sussex, WI
- Average rainfall days in August: 16.2 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
Sussex, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Sussex, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Sussex, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Sussex, WI
- Average sunshine days in August: 11.5 days
The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in August
Sussex, WI
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Sussex, WI
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in August
Sussex, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
