August weather forecast
Hillsboro, IN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hillsboro, Indiana, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.4°F (26.9°C).

Temperature

The onset of August brings with it an average high-temperature of a still warm 80.4°F (26.9°C), showing a negligible variation from the month before. Throughout the month of August, Hillsboro reports a steady low-temperature average of 63.1°F (17.3°C).

Humidity

The average relative humidity in August is 82%.

Rainfall

In August, the rain falls for 13.1 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Hillsboro, there are 142.3 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

In Hillsboro, Indiana, snow does not fall in May through October.

Daylight

In Hillsboro, the average length of the day in August is 13h and 43min.
On the first day of August in Hillsboro, sunrise is at 6:47 am and sunset at 9:02 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 8:21 pm EDT.

Sunshine

In Hillsboro, Indiana, the average sunshine in August is 9.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What are August temperatures in Hillsboro?

In August, the average high-temperature and low-temperature are 80.4°F (26.9°C) and 63.1°F (17.3°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 89.6°F (32°C).

What is the average humidity in August in Hillsboro?

The average relative humidity in August is 82%.

How many days does it rain in August in Hillsboro?

In Hillsboro, Indiana, in August, during 13.1 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow in Hillsboro?

In Hillsboro, snow does not fall in May through October.

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

In August, the average day length in Hillsboro is 13h and 43min.

When are sunrise and sunset in August in Hillsboro?

In August, on the first day of the month, sunrise is at 6:47 am and sunset at 9:02 pm. On the last day of the month, in Hillsboro, Indiana, sunrise is at 7:16 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Hillsboro have in August?

In Hillsboro, the average sunshine duration in August is 9.3h.

What is the month with the highest UV index in Hillsboro?

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

How high is the UV index in August in Hillsboro?

In Hillsboro, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's 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
Hillsboro, IN

Average temperature in August - Hillsboro, IN
  • Average high temperature in August: 80.4°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in August: 63.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in August
Hillsboro, IN

Average pressure in August - Hillsboro, IN
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Hillsboro, IN

Average wind speed in August - Hillsboro, IN
  • Average wind speed in August: 6.2mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in August
Hillsboro, IN

Average humidity in August - Hillsboro, IN
  • Average humidity in August: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in August
Hillsboro, IN

Average rainfall in August - Hillsboro, IN
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in August
Hillsboro, IN

Average rainfall days in August - Hillsboro, IN
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in August
Hillsboro, IN

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Hillsboro, IN

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in August
Hillsboro, IN

Average sunshine days in August - Hillsboro, IN
  • Average sunshine days in August: 15.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in August
Hillsboro, IN

Average UV index in August - Hillsboro, 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).

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Average cloud cover in August
Hillsboro, IN

Average cloud cover in August - Hillsboro, IN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

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Average visibility in August
Hillsboro, IN

Average visibility in August - Hillsboro, IN
  • Average visibility in August: 5mi

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

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Hillsboro, Indiana, USA

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