August weather forecast
Siren, WI

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Weather in August

The last month of the summer, August, is another warm month in Siren, Wisconsin, with an average temperature fluctuating between 57.7°F (14.3°C) and 76.8°F (24.9°C).

Temperature

Siren observes an average high-temperature of a still warm 76.8°F (24.9°C) in August, barely different from 78.8°F (26°C) in July. In Siren, an average low-temperature of 57.7°F (14.3°C) is recorded during August nights.

Humidity

The average relative humidity in August is 78%.

Rainfall

In Siren, in August, during 13.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 124.6 rainfall days, and 21.65" (550mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Siren.

Daylight

In August, the average length of the day is 14h and 4min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:48 pm CDT.

Sunshine

The average sunshine in August in Siren is 9.6h.

UV index

In Siren, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in August interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the average August temperature in Siren?

The high-temperature, in August, in Siren, records 76.8°F (24.9°C), while the low-temperature is 57.7°F (14.3°C).

What is the average humidity in August in Siren?

In August, the average relative humidity in Siren, Wisconsin, is 78%.

How many days does it rain in August in Siren?

In Siren, in August, it is raining for 13.9 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Siren?

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

How many hours of daylight does Siren have in August?

In Siren, Wisconsin, the average day length in August is 14h and 4min.

When are sunrise and sunset in August in Siren?

In August, on the first day of the month, sunrise is at 5:53 am and sunset at 8:38 pm. On the last day of the month, in Siren, sunrise is at 6:30 am and sunset at 7:48 pm CDT.

How long on average sun shines in August in Siren?

In August, the average sunshine duration in Siren, Wisconsin, is 9.6h.

What is the UV index reading in August in Siren?

The average daily maximum UV index in August in Siren is 5. A UV Index reading of 3 to 5 represents 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
Siren, WI

Average temperature in August - Siren, WI
  • Average high temperature in August: 76.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in August: 57.7°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

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Average pressure in August
Siren, WI

Average pressure in August - Siren, WI
  • Average pressure in August: 29.94"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Siren, WI

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

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in August
Siren, WI

Average humidity in August - Siren, WI
  • Average humidity in August: 78%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).

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Average rainfall in August
Siren, WI

Average rainfall in August - Siren, WI
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days in August
Siren, WI

Average rainfall days in August - Siren, WI
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in August
Siren, WI

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

The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Siren, WI

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

The month with the highest number of snowfall days is January (15.8 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
Siren, WI

Average daylight in August / Average sunshine in August - Siren, WI
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

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Average sunshine days in August
Siren, WI

Average sunshine days in August - Siren, WI
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in August
Siren, WI

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in August
Siren, WI

Average cloud cover in August - Siren, WI
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Siren, WI

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

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

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Siren, Wisconsin, USA

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