August weather forecast
Mount Sterling, WI

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Weather in August

The last month of the summer, August, is another warm month in Mount Sterling, Wisconsin, with an average temperature fluctuating between 79.2°F (26.2°C) and 59°F (15°C).

Temperature

Mount Sterling indicates an average high-temperature of a still warm 79.2°F (26.2°C) in August, showing minor variation from July's 80.2°F (26.8°C). Throughout the month of August, the average temperature dips to a refreshing 59°F (15°C) at night.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Mount Sterling, in August, during 13.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Mount Sterling, during the entire year, the rain falls for 142.4 days and collects up to 28.66" (728mm) of precipitation.

Snowfall

In Mount Sterling, snow does not fall in May through September.

Daylight

In August, the average length of the day is 13h and 55min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:25 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:40 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Be vigilant - Preventing sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the temperature in August?

The high-temperature during August is 79.2°F (26.2°C) and the low-temperature is 59°F (15°C).

What is the average humidity in August in Mount Sterling?

The average relative humidity in August is 80%.

How much does it rain in August?

In Mount Sterling, in August, during 13.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Mount Sterling?

In Mount Sterling, Wisconsin, snow does not fall in May through September.

How many hours of daylight does Mount Sterling have in August?

The average day length in August is 13h and 55min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 5:54 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:40 pm CDT.

How long on average sun shines in August?

In Mount Sterling, the average sunshine duration in August is 9.8h.

What are the months with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Mount Sterling, WI

Average temperature in August - Mount Sterling, WI
  • Average high temperature in August: 79.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in August: 59°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 (9.9°F).

Average pressure in August
Mount Sterling, WI

Average pressure in August - Mount Sterling, WI
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Mount Sterling, WI

Average wind speed in August - Mount Sterling, WI
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Mount Sterling, WI

Average humidity in August - Mount Sterling, WI
  • Average humidity in August: 80%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in August
Mount Sterling, WI

Average rainfall in August - Mount Sterling, WI
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in August
Mount Sterling, WI

Average rainfall days in August - Mount Sterling, WI
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in August
Mount Sterling, WI

Average snowfall in August - Mount Sterling, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Mount Sterling, WI

Average snowfall days in August - Mount Sterling, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (15.7 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
Mount Sterling, WI

Average daylight in August / Average sunshine in August - Mount Sterling, 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 0min).

  • Average sunshine in August: 9h and 5min

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 24min).

Average sunshine days in August
Mount Sterling, WI

Average sunshine days in August - Mount Sterling, WI
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in August
Mount Sterling, WI

Average UV index in August - Mount Sterling, 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, November and December (UV index 1).

Average cloud cover in August
Mount Sterling, WI

Average cloud cover in August - Mount Sterling, WI
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in August
Mount Sterling, WI

Average visibility in August - Mount Sterling, WI
  • Average visibility in August: 5mi

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Mount Sterling, Wisconsin, USA

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