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
Entering August, the average high-temperature is recorded at a still warm 75.6°F (24.2°C), exhibiting a minimal shift from July's 77.5°F (25.3°C). In August, Merrill encounters an average low-temperature of 56.5°F (13.6°C) during the night.Humidity
The average relative humidity in August is 79%.Rainfall
In August, the rain falls for 13.3 days. Throughout August, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 126.6 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
In Merrill, snow does not fall in June through September.Daylight
In Merrill, the average length of the day in August is 14h and 2min.On the first day of the month, sunrise is at 5:44 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:37 pm CDT.
Sunshine
In Merrill, the average sunshine in August is 9.3h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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 in Merrill?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Merrill have in August?
When is the sunrise / sunset in August?
How long on average sun shines in August?
When is the highest UV index?
How high is the UV index in August?
Average temperature in August
Merrill, WI
- Average high temperature in August: 75.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in August: 56.5°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in August
Merrill, WI
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Merrill, WI
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in August
Merrill, WI
- Average humidity in August: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Merrill, WI
- Average rainfall in August: 1.46"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in August
Merrill, WI
- Average rainfall days in August: 13.3 days
The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in August
Merrill, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Merrill, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Merrill, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Merrill, WI
- Average sunshine days in August: 13.8 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in August
Merrill, 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, February and December (UV index 1).
Average cloud cover in August
Merrill, WI
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in August
Merrill, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).
Merrill, Wisconsin, USA
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