August weather forecast
Black Rock, IN

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Weather in August

The last month of the summer, August, is also a moderately hot month in Black Rock, Indiana, with an average temperature ranging between max 80.2°F (26.8°C) and min 62.6°F (17°C).

Temperature

Black Rock's transition from July to August introduces an average high-temperature of a still moderately hot 80.2°F (26.8°C), marking an insignificant variation from the 81°F (27.2°C). Black Rock, during the nights of August, experiences an average temperature drop to a comfortable 62.6°F (17°C).

Humidity

In Black Rock, the average relative humidity in August is 83%.

Rainfall

In August, the rain falls for 13.7 days. Throughout August, 1.77" (45mm) of precipitation is accumulated. In Black Rock, during the entire year, the rain falls for 130.9 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

May through September are months without snowfall in Black Rock, Indiana.

Daylight

In Black Rock, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 6:46 am and sunset at 9:02 pm. On the last day of August, in Black Rock, sunrise is at 7:15 am and sunset at 8:21 pm EDT.

Sunshine

In August, the average sunshine in Black Rock is 9h.

UV index

In Black Rock, Indiana, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 suggests this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the temperature in August in Black Rock?

In Black Rock, 80.2°F (26.8°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during August. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in August in Black Rock?

The average relative humidity in August in Black Rock, Indiana, is 83%.

How many days does it rain in August in Black Rock?

In Black Rock, during August, the rain falls for 13.7 days and regularly aggregates up to 1.77" (45mm) of precipitation.

When it does not snow in Black Rock?

May through September are months without snowfall in Black Rock.

What is the average length of the day in August in Black Rock?

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

When is the sunrise / sunset in August in Black Rock?

In August, on the first day of the month, sunrise is at 6:46 am and sunset at 9:02 pm. On the last day of the month, in Black Rock, sunrise is at 7:15 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Black Rock have in August?

In August, the average sunshine duration in Black Rock is 9h.

What is the UV index reading in August in Black Rock?

In August, the average daily maximum UV index in Black Rock, Indiana, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Black Rock, IN

Average temperature in August - Black Rock, IN
  • Average high temperature in August: 80.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in August
Black Rock, IN

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in August
Black Rock, IN

Average wind speed in August - Black Rock, IN
  • Average wind speed in August: 6.3mph

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 (6.3mph).

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Average humidity in August
Black Rock, IN

Average humidity in August - Black Rock, IN
  • Average humidity in August: 83%

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
Black Rock, IN

Average rainfall in August - Black Rock, IN
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and November (0.94").

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Average rainfall days in August
Black Rock, IN

Average rainfall days in August - Black Rock, IN
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (5.1 days).

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Average snowfall in August
Black Rock, IN

Average snowfall in August - Black Rock, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Black Rock, IN

Average snowfall days in August - Black Rock, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9 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
Black Rock, IN

Average daylight in August / Average sunshine in August - Black Rock, 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 18min).

  • Average sunshine in August: 9h and 0min

The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in August
Black Rock, IN

Average sunshine days in August - Black Rock, IN
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in August
Black Rock, IN

Average UV index in August - Black Rock, IN
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Black Rock, IN

Average cloud cover in August - Black Rock, IN
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June, August and September (Cloud cover 34).

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Average visibility in August
Black Rock, IN

Average visibility in August - Black Rock, 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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Black Rock, Indiana, USA

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