August weather forecast
Ephraim, WI

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Weather in August

As the calendar turns to August, Ephraim experiences continued summer heat. Despite the heat, August does show a minor dip in maximum temperature compared to July. The rainfall also decreases to 2.24" (57mm), which is a slight drop from July's rainfall. Notably, the sea temperature reaches its peak making beach activities even more pleasurable. Thus, with consistent warm weather, lower rainfall, and optimal sea temperatures, August is a favourable month for outdoor endeavours.

Temperature

August, with average temperatures reaching a high of 69.6°F (20.9°C) and a low of 63°F (17.2°C), is the warmest month in Ephraim.

Humidity

The average relative humidity in August in Ephraim is 80%.

Rainfall

In Ephraim, in August, during 15.6 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Ephraim, during the entire year, the rain falls for 141.7 days and collects up to 26.93" (684mm) of precipitation.

Snowfall

In Ephraim, snow does not fall in June through September.

Ocean temperature

With an average ocean temperature of 64.4°F (18°C), August is the month with the warmest seawater.
Note: For most, swimming in 64.4°F (18°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In August, the average length of the day is 14h and 2min.
On the first day of the month, sunrise is at 5:34 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:10 am and sunset at 7:27 pm CDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Ephraim?

Ephraim, Wisconsin, reaches its average highest temperatures in August, measuring 69.6°F (20.9°C) at the peak and 63°F (17.2°C) at the lowest.

What are the temperatures in Ephraim in August?

The high-temperature, in August, in Ephraim, is 69.6°F (20.9°C), while the low-temperature averages to 63°F (17.2°C).

What is the average humidity in August in Ephraim?

In August, the average relative humidity is 80%.

How much does it rain in Ephraim in August?

In Ephraim, in August, it is raining for 15.6 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Ephraim?

In Ephraim, snow does not fall in June through September.

When is the ocean warmest in Ephraim?

August is the month with the warmest seawater, with an average ocean temperature of 64.4°F (18°C).

What is the ocean temperature in August in Ephraim?

In Ephraim, Wisconsin, in August, the average water temperature is 64.4°F (18°C). For most, swimming in 64.4°F (18°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in August in Ephraim?

In August, the average day length is 14h and 2min.

What time are sunrise and sunset in August in Ephraim?

On the first day of August in Ephraim, sunrise is at 5:34 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:27 pm CDT.

How long on average sun shines in August in Ephraim?

In August, the average sunshine duration is 10.5h.

When is the highest UV index in Ephraim?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Ephraim.

How high is the UV index in August in Ephraim?

In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Ephraim, WI

Average temperature in August - Ephraim, WI
  • Average high temperature in August: 69.6°F

The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 63°F

The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in August
Ephraim, WI

Average pressure in August - Ephraim, WI
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Ephraim, WI

Average wind speed in August - Ephraim, WI
  • Average wind speed in August: 10.3mph

The windiest month (with the highest average wind speed) is December (15.5mph).
The calmest months (with the lowest average wind speed) are June and July (9.6mph).

Average humidity in August
Ephraim, WI

Average humidity in August - Ephraim, WI
  • Average humidity in August: 80%

The months with the highest relative humidity are January and June (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in August
Ephraim, WI

Average rainfall in August - Ephraim, WI
  • Average rainfall in August: 2.24"

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are January and February (1.38").

Average rainfall days in August
Ephraim, WI

Average rainfall days in August - Ephraim, WI
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in August
Ephraim, WI

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

The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Ephraim, WI

Average snowfall days in August - Ephraim, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in August
Ephraim, WI

Average sea temperature in August - Ephraim, WI
  • Average sea temperature in August: 64°F

The best month for swimming (with the highest average sea temperature) is August (64°F).
The coldest months (with the lowest average sea temperature) are March and April (36°F).

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

Average daylight in August / Average sunshine in August - Ephraim, 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: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in August
Ephraim, WI

Average sunshine days in August - Ephraim, WI
  • Average sunshine days in August: 13.6 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is January (8.3 days).

Average UV index in August
Ephraim, WI

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

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average cloud cover in August
Ephraim, WI

Average cloud cover in August - Ephraim, WI
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in August
Ephraim, WI

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

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

Ephraim, Wisconsin, USA

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