July weather forecast
Percival, IA

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Weather in July

July, the same as June, is a moderately hot summer month in Percival, Iowa, with an average temperature fluctuating between 85.3°F (29.6°C) and 67.1°F (19.5°C).

Temperature

In Percival, Iowa, July records the highest average temperatures, peaking at 85.3°F (29.6°C) and reaching a low of 67.1°F (19.5°C).

Heat index

July's mean heat index is calculated to be a fiery hot 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in July is 77%.

Rainfall

In Percival, in July, during 13.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 125.7 rainfall days, and 26.73" (679mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 45min.
On the first day of July, sunrise is at 5:56 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:39 pm CDT.

Sunshine

With an average of 10.5h of sunshine, July has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

July, recognised by an average high temperature of 85.3°F (29.6°C) and a low of 67.1°F (19.5°C), is Percival's warmest month.

How hot is July?

July temperatures vary between a high-temperature of 85.3°F (29.6°C) and a low-temperature of 67.1°F (19.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 96.8°F (36°C).

What is the average humidity in July?

In Percival, the average relative humidity in July is 77%.

How much does it rain in July?

In Percival, in July, during 13.8 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

When it does not snow?

In Percival, snow does not fall in May through September.

What is the average length of the day in July?

In Percival, the average day length in July is 14h and 45min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:56 am and sunset at 8:58 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 8:39 pm CDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

How many hours of sunshine does Percival have in July?

In Percival, the average sunshine duration in July is 10.5h.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in July?

In Percival, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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 July
Percival, IA

Average temperature in July - Percival, IA
  • Average high temperature in July: 85.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in July
Percival, IA

Average pressure in July - Percival, IA
  • Average pressure in July: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in July
Percival, IA

Average wind speed in July - Percival, IA
  • Average wind speed in July: 6.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in July
Percival, IA

Average humidity in July - Percival, IA
  • Average humidity in July: 77%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is October (66%).

Average rainfall in July
Percival, IA

Average rainfall in July - Percival, IA
  • Average rainfall in July: 2.76"

The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in July
Percival, IA

Average rainfall days in July - Percival, IA
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in July
Percival, IA

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

The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Percival, IA

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in July
Percival, IA

Average sunshine days in July - Percival, IA
  • Average sunshine days in July: 14 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (11.7 days).

Average UV index in July
Percival, IA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in July
Percival, IA

Average cloud cover in July - Percival, IA
  • Average cloud cover in July: 25

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in July
Percival, IA

Average visibility in July - Percival, IA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Percival, Iowa, USA

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