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 advent of August denotes an average high-temperature of a still warm 77°F (25°C), subtly different from July's 78.6°F (25.9°C). In Merrillan, the average nighttime temperature during August is a moderate 57.9°F (14.4°C).Humidity
The average relative humidity in August in Merrillan is 81%.Rainfall
In Merrillan, in August, during 12.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 120.8 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Merrillan, Wisconsin, the average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 5:51 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:41 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in August translates into these instructions:
Heed the precautions - It is counselled to guard against solar damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Merrillan have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Merrillan have in August?
What are the months with the highest UV index?
How high is the UV index in August?
Average temperature in August
Merrillan, WI
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in August
Merrillan, WI
- Average pressure in August: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Merrillan, WI
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in August
Merrillan, WI
- Average humidity in August: 81%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Merrillan, WI
- Average rainfall in August: 1.77"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in August
Merrillan, WI
- Average rainfall days in August: 12.4 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in August
Merrillan, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Merrillan, 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
Merrillan, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Merrillan, WI
- Average sunshine days in August: 15.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in August
Merrillan, 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, February, November and December (UV index 1).
Average cloud cover in August
Merrillan, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Merrillan, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Merrillan, Wisconsin, USA
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