August weather forecast
Merton, WI

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Weather in August

The last month of the summer, August, is another warm month in Merton, Wisconsin, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 61.2°F (16.2°C).

Temperature

The arrival of August sees a recorded average high-temperature of a still moderately hot 76.6°F (24.8°C), showing little divergence from the previous month's conditions. In Merton, an average nighttime temperature of 61.2°F (16.2°C) is expected during August.

Humidity

In Merton, the average relative humidity in August is 81%.

Rainfall

In Merton, in August, it is raining for 16.2 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Merton, there are 149.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 53min.
On the first day of the month, sunrise is at 5:44 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:29 pm CDT.

Sunshine

August has the most sunshine of the year in Merton, Wisconsin, with an average of 10.2h of sunshine.

UV index

The average daily maximum UV index in August in Merton is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the usual temperature for Merton in August?

The high-temperature in Merton during August is 76.6°F (24.8°C) and the low-temperature is 61.2°F (16.2°C).

What is the average humidity in August in Merton?

In Merton, the average relative humidity in August is 81%.

How much does it rain in Merton in August?

In Merton, Wisconsin, in August, during 16.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow in Merton?

June through September are months without snowfall.

How many hours of daylight does Merton have in August?

The average day length in August in Merton is 13h and 53min.

What time are sunrise and sunset in August in Merton?

On the first day of August in Merton, sunrise is at 5:44 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:29 pm CDT.

What month has the most sunshine in Merton?

August has the most sunshine of the year in Merton, Wisconsin, with an average of 10.2h of sunshine.

How many hours of sunshine does Merton have in August?

In August, the average sunshine duration in Merton is 10.2h.

How high is the UV index in August in Merton?

In Merton, Wisconsin, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Merton, WI

Average temperature in August - Merton, WI
  • Average high temperature in August: 76.6°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in August
Merton, WI

Average pressure in August - Merton, WI
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in August
Merton, WI

Average wind speed in August - Merton, WI
  • Average wind speed in August: 6.7mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in August
Merton, WI

Average humidity in August - Merton, WI
  • Average humidity in August: 81%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in August
Merton, WI

Average rainfall in August - Merton, WI
  • Average rainfall in August: 2.76"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in August
Merton, WI

Average rainfall days in August - Merton, WI
  • Average rainfall days in August: 16.2 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in August
Merton, WI

Average snowfall in August - Merton, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Merton, WI

Average snowfall days in August - Merton, 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).

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Average daylight in August /
Average sunshine in August
Merton, WI

Average daylight in August / Average sunshine in August - Merton, WI
  • Average daylight in August: 13h and 5min

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: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in August
Merton, WI

Average sunshine days in August - Merton, WI
  • Average sunshine days in August: 11.5 days

The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).

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Average UV index in August
Merton, WI

Average UV index in August - Merton, WI
  • Average UV index in August: 5

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in August
Merton, WI

Average cloud cover in August - Merton, WI
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in August
Merton, WI

Average visibility in August - Merton, WI
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Merton, Wisconsin, USA

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