August weather forecast
Newton, IA

Weather in August

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

Temperature

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

Heat index

In August, the average heat index is appraised at 85.5°F (29.7°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, wind). 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 particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Newton is 80%.

Rainfall

In Newton, in August, it is raining for 10.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Newton, Iowa, during the entire year, the rain falls for 106.7 days and collects up to 11.77" (299mm) of precipitation.

Snowfall

In Newton snow does not fall in June through September.

Daylight

In Newton, the average length of the day in August is 13.8h.

Sunshine

In Newton, the average sunshine is 9.8h.

UV index

In Newton, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for average 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Newton?

In August, in Newton, Iowa, 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 represents the influence of relative humidity on air temperature, in August is appraised at 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 many days does it rain in August in Newton?

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

When it does not snow in Newton?

In Newton snow does not fall in June through September.

How many hours of daylight does Newton have in August?

In August, the average length of the day in Newton, Iowa, is 13.8h.

How long on average sun shines in August in Newton?

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

What is the UV index intensity in August in Newton?

The average daily maximum UV index in August in Newton is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in August
Newton, IA

Average temperature in August - Newton, IA
  • Average high temperature in August: 27°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (-2.7°C).

  • Average low temperature in August: 16.8°C

The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-9.8°C).

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Average pressure in August
Newton, IA

Average pressure in August - Newton, IA
  • Average pressure in August: 1014.8mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

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Average wind speed in August
Newton, IA

Average wind speed in August - Newton, IA
  • Average wind speed in August: 11.2km/h

The windiest month (with the highest average wind speed) is April (17km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

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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: 31mm

The wettest month (with the highest rainfall) is May (54mm).
The driest months (with the least rainfall) are January, February and December (10mm).

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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: 0mm

The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).

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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: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • 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: 8km

The month with the highest visibility is November (10km).
The months with the lowest visibility are July and August (8km).

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