August weather forecastDelavan, WI
August
Weather in August
August, the last month of the summer in Delavan, is another warm month, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 77.5°F (25.3°C).Temperature
Delavan indicates an average high-temperature of a still moderately hot 77.5°F (25.3°C) in August, showing minor variation from July's 79.3°F (26.3°C). In August, the temperature in Delavan drops to an average of 60.1°F (15.6°C) at night.Humidity
In Delavan, the average relative humidity in August is 84%.Rainfall
In August, the rain falls for 14.5 days. Throughout August, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.Snowfall
In Delavan, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 52min.On the first day of August, sunrise is at 5:47 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:30 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Delavan. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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
Delavan, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in August: 60.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in August
Delavan, WI
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Delavan, WI
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Delavan, WI
- 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 (77%).
Average rainfall in August
Delavan, WI
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").
Average rainfall days in August
Delavan, WI
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in August
Delavan, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Delavan, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Delavan, 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: 9h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Delavan, WI
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in August
Delavan, WI
- 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
Delavan, WI
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in August
Delavan, WI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
