July weather forecast
Green Brier, IA

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Weather in July

July, the same as June, is another warm summer month in Green Brier, Iowa, with an average temperature fluctuating between 82°F (27.8°C) and 64.6°F (18.1°C).

Temperature

July is the month that records the highest temperatures, with averages ranging from a high of 82°F (27.8°C) to a low of 64.6°F (18.1°C).

Heat index

For most parts of July, the heat index is estimated at a hot 89.6°F (32°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In July, the average relative humidity is 82%.

Rainfall

In July, in Green Brier, the rain falls for 14.1 days. Throughout July, 2.28" (58mm) of precipitation is accumulated. In Green Brier, Iowa, during the entire year, the rain falls for 125.7 days and collects up to 26.5" (673mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Green Brier, the average length of the day in July is 14h and 52min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:56 pm. On the last day of July, in Green Brier, sunrise is at 6:11 am and sunset at 8:36 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 10.2h 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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 6 in July leads to these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest in Green Brier?

The warmest temperatures in Green Brier occur during July, when averages reach a peak of 82°F (27.8°C) and a low of 64.6°F (18.1°C).

What is the average July temperature in Green Brier?

July temperatures in Green Brier vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 89.6°F (32°C).

What is the average humidity in July in Green Brier?

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

How many days does it rain in July in Green Brier?

In Green Brier, during July, the rain falls for 14.1 days and regularly aggregates up to 2.28" (58mm) of precipitation.

When it does not snow in Green Brier?

June through September are months without snowfall.

How many hours of daylight does Green Brier have in July?

In July, the average day length in Green Brier, Iowa, is 14h and 52min.

What time are sunrise and sunset in July in Green Brier?

In July, on the first day of the month, sunrise is at 5:46 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:36 pm CDT.

What month has the most sunshine in Green Brier?

The month with the most sunshine in Green Brier is July, with an average of 10.2h of sunshine.

How many hours of sunshine does Green Brier have in July?

In Green Brier, Iowa, the average sunshine duration in July is 10.2h.

What is the month with the highest UV index in Green Brier?

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

What is the UV index reading in July in Green Brier?

In July, the average daily maximum UV index in Green Brier, Iowa, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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
Green Brier, IA

Average temperature in July - Green Brier, IA
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in July: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in July
Green Brier, IA

Average pressure in July - Green Brier, IA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Green Brier, IA

Average wind speed in July - Green Brier, IA
  • Average wind speed in July: 7.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in July
Green Brier, IA

Average humidity in July - Green Brier, IA
  • Average humidity in July: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).

Average rainfall in July
Green Brier, IA

Average rainfall in July - Green Brier, IA
  • Average rainfall in July: 2.28"

The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in July
Green Brier, IA

Average rainfall days in July - Green Brier, IA
  • Average rainfall days in July: 14.1 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.4 days).

Average snowfall in July
Green Brier, IA

Average snowfall in July - Green Brier, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Green Brier, IA

Average snowfall days in July - Green Brier, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Green Brier, IA

Average daylight in July / Average sunshine in July - Green Brier, 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 1min

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

Average sunshine days in July
Green Brier, IA

Average sunshine days in July - Green Brier, IA
  • Average sunshine days in July: 14.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in July
Green Brier, IA

Average UV index in July - Green Brier, 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, February, October, November and December (UV index 2).

Average cloud cover in July
Green Brier, IA

Average cloud cover in July - Green Brier, 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
Green Brier, IA

Average visibility in July - Green Brier, IA
  • Average visibility in July: 5mi

The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).

Green Brier, Iowa, USA

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