August weather forecast
Decker, IN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Decker, Indiana, with an average temperature varying between 65.7°F (18.7°C) and 82.9°F (28.3°C).

Temperature

The average high-temperature during August is a still warm 82.9°F (28.3°C), almost matching the conditions of the preceding month. An average low-temperature of 65.7°F (18.7°C) is recorded during the nights in August.

Heat index

The heat index value for August is estimated at a tropical 91.4°F (33°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Decker, the average relative humidity in August is 79%.

Rainfall

In August, the rain falls for 7.5 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. In Decker, during the entire year, the rain falls for 89 days and collects up to 7.6" (193mm) of precipitation.

Snowfall

In Decker, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:52 am and sunset at 9:00 pm. On the last day of August, sunrise is at 7:19 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in August is 9.3h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during August leads to these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

How hot is it in August?

Decker in August has an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in August?

In August, the average relative humidity is 79%.

How much does it rain in August?

In Decker, during August, the rain falls for 7.5 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 37min.

When is the sunrise / sunset in August?

On the first day of August in Decker, Indiana, sunrise is at 6:52 am and sunset at 9:00 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Decker have in August?

In August, the average sunshine duration is 9.3h.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Decker, IN

Average temperature in August - Decker, IN
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in August
Decker, IN

Average pressure in August - Decker, IN
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Decker, IN

Average wind speed in August - Decker, IN
  • Average wind speed in August: 5.9mph

The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in August
Decker, IN

Average humidity in August - Decker, IN
  • Average humidity in August: 79%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August
Decker, IN

Average rainfall in August - Decker, IN
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is April (0.91").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in August
Decker, IN

Average rainfall days in August - Decker, IN
  • Average rainfall days in August: 7.5 days

The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (4.9 days).

Average snowfall in August
Decker, IN

Average snowfall in August - Decker, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is March (0.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Decker, IN

Average snowfall days in August - Decker, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Decker, IN

Average daylight in August / Average sunshine in August - Decker, IN
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).

Average sunshine days in August
Decker, IN

Average sunshine days in August - Decker, IN
  • Average sunshine days in August: 20.2 days

The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (16.9 days).

Average UV index in August
Decker, IN

Average UV index in August - Decker, IN
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Decker, IN

Average cloud cover in August - Decker, IN
  • Average cloud cover in August: 28

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in August
Decker, IN

Average visibility in August - Decker, IN
  • Average visibility in August: 6mi

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

Decker, Indiana, USA

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