August weather forecast
Newton, IA

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Weather in August

August, the last month of the summer in Newton, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 80.6°F (27°C).

Temperature

Newton ushers in August with an average high-temperature of a still warm 80.6°F (27°C), showing a close resemblance to the previous month. An average nighttime temperature of 62.2°F (16.8°C) is witnessed throughout August.

Heat index

Throughout August, the heat index is estimated at a hot 86°F (30°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

In Newton, in August, it is raining for 10.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Newton, 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

The average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:46 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - Guarding against sun damage is counselled. To protect against the Sun's most potent rays, avoid direct exposure around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature, in August, in Newton, records 80.6°F (27°C), while the low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 86°F (30°C).

What is the average humidity in August?

The average relative humidity in August is 80%.

How many days does it rain in August?

In Newton, in August, it is raining for 10.7 days, with typically 1.22" (31mm) of accumulated precipitation.

When it does not snow?

In Newton, snow does not fall in June through September.

What is the average length of the day in August?

The average day length in August is 13h and 48min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:07 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:46 pm CDT.

How many hours of sunshine does Newton have in August?

The average sunshine duration in August is 9.8h.

What is the UV index reading in August?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
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).

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).

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).

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%).

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").

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).

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").

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).

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 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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).

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).

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).

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).

Newton, Iowa, USA

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