July weather forecast
Newton, IA

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Weather in July

July, the same as June, is a moderately hot summer month in Newton, Iowa, with an average temperature varying between 81.5°F (27.5°C) and 64.8°F (18.2°C).

Temperature

July is the month when Newton sees the highest average temperatures, with a high of 81.5°F (27.5°C) and a low of 64.8°F (18.2°C).

Heat index

Throughout July, the heat index is estimated at a tropical 87.8°F (31°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In July, the average relative humidity is 83%.

Rainfall

In Newton, in July, it is raining for 12.9 days, with typically 1.1" (28mm) 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

In Newton, the average length of the day in July is 14h and 51min.
On the first day of July, sunrise is at 5:41 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:30 pm CDT.

Sunshine

With an average of 10.3h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

Newton's temperature records reveal July as the warmest month, marked by average highs of 81.5°F (27.5°C) and lows of 64.8°F (18.2°C).

What is the temperature in July?

July temperatures vary between a high-temperature of 81.5°F (27.5°C) and a low-temperature of 64.8°F (18.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 83%.

How many days does it rain in July?

In July, the rain falls for 12.9 days. Throughout July, 1.1" (28mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 51min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:41 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:30 pm CDT.

What month has the most sunshine?

With an average of 10.3h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Newton have in July?

The average sunshine duration in July is 10.3h.

What is the month with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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 July
Newton, IA

Average temperature in July - Newton, IA
  • Average high temperature in July: 81.5°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 July: 64.8°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 July
Newton, IA

Average pressure in July - Newton, IA
  • Average pressure in July: 29.96"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 July
Newton, IA

Average wind speed in July - Newton, IA
  • Average wind speed in July: 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 July
Newton, IA

Average humidity in July - Newton, IA
  • Average humidity in July: 83%

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

Average rainfall in July
Newton, IA

Average rainfall in July - Newton, IA
  • Average rainfall in July: 1.1"

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 July
Newton, IA

Average rainfall days in July - Newton, IA
  • Average rainfall days in July: 12.9 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 July
Newton, IA

Average snowfall in July - Newton, IA
  • Average snowfall in July: 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 July
Newton, IA

Average snowfall days in July - Newton, IA
  • Average snowfall days in July: 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 July /
Average sunshine in July
Newton, IA

Average daylight in July / Average sunshine in July - Newton, IA
  • Average daylight in July: 14h 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 July: 10h and 2min

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 July
Newton, IA

Average sunshine days in July - Newton, IA
  • Average sunshine days in July: 14.8 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 July
Newton, IA

Average UV index in July - Newton, IA
  • Average UV index in July: 6

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 July
Newton, IA

Average cloud cover in July - Newton, IA
  • Average cloud cover in July: 30

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 July
Newton, IA

Average visibility in July - Newton, IA
  • Average visibility in July: 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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