August weather forecastHowards Grove, WI
August
Weather in August
August, the last month of the summer in Howards Grove, is another warm month, with an average temperature fluctuating between 62.2°F (16.8°C) and 74.5°F (23.6°C).Temperature
July and August, with an average high-temperature of 74.5°F (23.6°C), are marked as the warmest months.Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 16.2 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 137.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 5:40 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:14 am and sunset at 7:28 pm CDT.
Sunshine
In August, the average sunshine is 10.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Howards Grove, WI
- Average high temperature in August: 74.5°F
The warmest months (with the highest average high temperature) are July and August (74.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Howards Grove, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Howards Grove, WI
- Average wind speed in August: 8.5mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in August
Howards Grove, WI
- Average humidity in August: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is November (77%).
Average rainfall in August
Howards Grove, WI
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is May (3.5").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in August
Howards Grove, WI
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Howards Grove, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Howards Grove, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Howards Grove, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in August
Howards Grove, WI
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Howards Grove, WI
- Average UV index in August: 5
The months with the highest UV index are 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
Howards Grove, WI
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Howards Grove, WI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





