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
At the onset of August, Siren records an average high-temperature of a still moderately hot 76.8°F (24.9°C), showing little deviation from the preceding month. In August, Siren reports a consistent average low-temperature of 57.7°F (14.3°C) during the nights.Humidity
In August, the average relative humidity is 78%.Rainfall
In Siren, in August, it is raining for 13.9 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 124.6 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
In Siren, snow does not fall in June through September.Daylight
In Siren, the average length of the day in August 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
In August, the average sunshine in Siren is 9.6h.UV index
In Siren, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 5 in August transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in August?
What is the average humidity in August?
How many days does it rain in August in Siren?
When it does not snow in Siren?
How many hours of daylight does Siren have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index intensity in August?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Siren, Wisconsin, USA
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