July weather forecast
Harvey, IA

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Weather in July

July, the same as June, is another warm summer month in Harvey, Iowa, with an average temperature ranging between min 65.1°F (18.4°C) and max 82.2°F (27.9°C).

Temperature

In Harvey, Iowa, the highest average temperatures are observed in July, with a high of 82.2°F (27.9°C) and a low of 65.1°F (18.4°C).

Heat index

The heat index in July is estimated at a tropical 89.6°F (32°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

January, February, June and July, with an average relative humidity of 82%, are the most humid months.

Rainfall

In July, the rain falls for 12.4 days. Throughout July, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 109.6 rainfall days, and 12.28" (312mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 49min.
On the first day of July, sunrise is at 5:42 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:29 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July is Harvey's warmest month, registering average high temperatures of 82.2°F (27.9°C) and lows of 65.1°F (18.4°C).

What is the usual temperature for Harvey in July?

In Harvey, 82.2°F (27.9°C) is the average high-temperature and 65.1°F (18.4°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F (32°C).

What are the most humid months?

January, February, June and July, with an average relative humidity of 82%, are most humid months in Harvey.

What is the average humidity in July?

In Harvey, the average relative humidity in July is 82%.

How many days does it rain in July?

In Harvey, Iowa, in July, it is raining for 12.4 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Harvey have in July?

The average day length in July is 14h and 49min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:42 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:29 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 Harvey have in July?

In July, the average sunshine duration in Harvey, Iowa, is 10.3h.

What is the month with the highest UV index?

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

How high is the UV index in July in Harvey?

In Harvey, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to 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 July
Harvey, IA

Average temperature in July - Harvey, IA
  • Average high temperature in July: 82.2°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in July: 65.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure in July
Harvey, IA

Average pressure in July - Harvey, 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
Harvey, IA

Average wind speed in July - Harvey, IA
  • Average wind speed in July: 7mph

The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in July
Harvey, IA

Average humidity in July - Harvey, IA
  • Average humidity in July: 82%

The months with the highest relative humidity are January, February, June and July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
Harvey, IA

Average rainfall in July - Harvey, IA
  • Average rainfall in July: 1.34"

The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are January and February (0.43").

Average rainfall days in July
Harvey, IA

Average rainfall days in July - Harvey, IA
  • Average rainfall days in July: 12.4 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in July
Harvey, IA

Average snowfall in July - Harvey, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Harvey, IA

Average snowfall days in July - Harvey, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Harvey, IA

Average daylight in July / Average sunshine in July - Harvey, IA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • 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
Harvey, IA

Average sunshine days in July - Harvey, IA
  • Average sunshine days in July: 13.7 days

The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in July
Harvey, IA

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

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

Average cloud cover in July
Harvey, IA

Average cloud cover in July - Harvey, 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
Harvey, IA

Average visibility in July - Harvey, 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).

Harvey, Iowa, USA

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