August weather forecast
Newton, IA

Weather in August

August, the last month of the summer in Newton, is another warm month, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 80.6°F (27°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still moderately hot 80.6°F (27°C). In August, the average low-temperature is 62.2°F (16.8°C).

Heat index

In August, the average heat index is computed to be 85.5°F (29.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, pregnancy, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August in Newton is 80%.

Rainfall

In Newton, in August, it is raining for 10.7 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Newton, there are 106.7 rainfall days, and 11.77" (299mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:30 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in August is 9.8h.

UV index

The average daily maximum UV index in August in Newton is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Newton?

In August, in Newton, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 85.5°F (29.7°C).

What is the average humidity in August in Newton?

In Newton, Iowa, the average relative humidity in August is 80%.

How much does it rain in Newton in August?

In August, in Newton, the rain falls for 10.7 days. Throughout August, 1.22" (31mm) of precipitation is accumulated.

When it does not snow in Newton?

June through September are months without snowfall.

How many hours of daylight does Newton have in August?

In August, the average day length in Newton, Iowa, is 13h and 48min.

When is the sunrise / sunset in August in Newton?

On the first day of August, sunrise is at 6:06 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:47 pm CDT.

How long on average sun shines in August in Newton?

In Newton, Iowa, the average sunshine duration in August is 9.8h.

What is the UV index intensity in August in Newton?

In Newton, Iowa, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.

Average temperature in August
Newton, IA

Average temperature in August - Newton, IA
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in August
Newton, IA

Average pressure in August - Newton, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Newton, IA

Average wind speed in August - Newton, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in August
Newton, IA

Average humidity in August - Newton, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in August
Newton, IA

Average rainfall in August - Newton, IA
  • Average rainfall in August: 1.22"

The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").

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Average rainfall days in August
Newton, IA

Average rainfall days in August - Newton, IA
  • Average rainfall days in August: 10.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in August
Newton, IA

Average snowfall in August - Newton, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Newton, IA

Average snowfall days in August - Newton, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (8.4 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
Newton, IA

Average daylight in August / Average sunshine in August - Newton, IA
  • Average daylight in August: 13h and 48min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in August: 9.8h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average sunshine days in August
Newton, IA

Average sunshine days in August - Newton, IA
  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in August
Newton, IA

Average UV index in August - Newton, IA
  • Average UV index in August: 5

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

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Average cloud cover in August
Newton, IA

Average cloud cover in August - Newton, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in August
Newton, IA

Average visibility in August - Newton, IA
  • 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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