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
July's transformation into August witnesses an average high-temperature of a still moderately hot 77.5°F (25.3°C), noting a minor change from the preceding month. Throughout August, Merrimac anticipates an average low-temperature of 59.2°F (15.1°C).Humidity
In Merrimac, the average relative humidity in August is 81%.Rainfall
In Merrimac, during August, the rain falls for 9.3 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Merrimac, Wisconsin, there are 88.4 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Merrimac.Daylight
In Merrimac, Wisconsin, the average length of the day in August is 13h and 55min.On the first day of August in Merrimac, sunrise is at 5:49 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:34 pm CDT.
Sunshine
In August, the average sunshine in Merrimac is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Merrimac?
What is the average humidity in August in Merrimac?
How much does it rain in Merrimac in August?
When it does not snow in Merrimac?
How many hours of daylight does Merrimac have in August?
When are sunrise and sunset in August in Merrimac?
How many hours of sunshine does Merrimac have in August?
How high is the UV index in August in Merrimac?
Average temperature in August
Merrimac, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in August: 59.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in August
Merrimac, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Merrimac, WI
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Merrimac, WI
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in August
Merrimac, WI
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in August
Merrimac, WI
- Average rainfall days in August: 9.3 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in August
Merrimac, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Merrimac, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Merrimac, WI
- Average daylight in August: 13h and 5min
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: 9h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Merrimac, WI
- Average sunshine days in August: 19 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in August
Merrimac, WI
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Merrimac, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Merrimac, 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).
Merrimac, Wisconsin, USA
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