August weather forecast
New Castle, IN

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Weather in August

August follows July's cue in New Castle by maintaining high temperatures with highs of 79.3°F (26.3°C) and lows around 62.2°F (16.8°C). As the heat gently withdraws, evenings become more comfortable. Yet, the essence of summer lingers across the city. Activities shift from day to more relaxing evenings in parks. August represents the magnificent finale of the summertime symphony in New Castle.

Temperature

New Castle observes an average high-temperature of a still warm 79.3°F (26.3°C) in August, barely different from 81°F (27.2°C) in July. An average minimum temperature of 62.2°F (16.8°C) is recorded in New Castle during the month of August.

Humidity

In New Castle, the average relative humidity in August is 82%.

Rainfall

In New Castle, in August, during 16.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 169.4 rainfall days, and 31.77" (807mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in New Castle, Indiana.

Daylight

In New Castle, the average length of the day in August is 13h and 42min.
On the first day of the month, sunrise is at 6:40 am and sunset at 8:54 pm. On the last day of August, sunrise is at 7:09 am and sunset at 8:14 pm EDT.

Sunshine

The average sunshine in August is 9.5h.

UV index

In August, the average daily maximum UV index in New Castle is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 5 in August translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the average August temperature in New Castle?

In August, in New Castle, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is calculated to be 86°F (30°C).

What is the average humidity in August in New Castle?

In New Castle, Indiana, the average relative humidity in August is 82%.

How much does it rain in New Castle in August?

In August, in New Castle, the rain falls for 16.8 days. Throughout August, 2.8" (71mm) of precipitation is accumulated.

When it does not snow in New Castle?

In New Castle, snow does not fall in May through September.

How many hours of daylight does New Castle have in August?

The average day length in August is 13h and 42min.

What time are sunrise and sunset in August in New Castle?

In August, on the first day of the month, sunrise is at 6:40 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:14 pm EDT.

How many hours of sunshine does New Castle have in August?

The average sunshine duration in August in New Castle is 9.5h.

What is the UV index intensity in August in New Castle?

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
New Castle, IN

Average temperature in August - New Castle, IN
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in August
New Castle, IN

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

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

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Average wind speed in August
New Castle, IN

Average wind speed in August - New Castle, IN
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
New Castle, IN

Average humidity in August - New Castle, IN
  • Average humidity in August: 82%

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in August
New Castle, IN

Average rainfall in August - New Castle, IN
  • Average rainfall in August: 2.8"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.85").

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Average rainfall days in August
New Castle, IN

Average rainfall days in August - New Castle, IN
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in August
New Castle, IN

Average snowfall in August - New Castle, IN
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
New Castle, IN

Average snowfall days in August - New Castle, IN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.8 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
New Castle, IN

Average daylight in August / Average sunshine in August - New Castle, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in August
New Castle, IN

Average sunshine days in August - New Castle, IN
  • Average sunshine days in August: 11.1 days

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is May (9.1 days).

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Average UV index in August
New Castle, IN

Average UV index in August - New Castle, IN
  • Average UV index in August: 5

The months with the highest UV index are May, 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
New Castle, IN

Average cloud cover in August - New Castle, IN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in August
New Castle, IN

Average visibility in August - New Castle, IN
  • Average visibility in August: 5mi

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

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New Castle, Indiana, USA

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