July weather forecast
Greenville, IA

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Weather in July

July, the same as June, is another warm summer month in Greenville, Iowa, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C).

Temperature

July, characterized by an average high temperature of 80.2°F (26.8°C) and a low temperature of 63.1°F (17.3°C), is generally the warmest month.

Humidity

In July, the average relative humidity is 80%.

Rainfall

In Greenville, during July, the rain falls for 13.3 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Greenville, during the entire year, the rain falls for 112.3 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 59min.
On the first day of the month, sunrise is at 5:45 am and sunset at 9:03 pm. On the last day of July, sunrise is at 6:11 am and sunset at 8:42 pm CDT.

Sunshine

With an average of 10.4h of sunshine, July has the most sunshine of the year.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months?

July stands out as Greenville's warmest month, with an average high-temperature of 80.2°F (26.8°C) and a low-temperature of 63.1°F (17.3°C).

What are the temperatures in July?

The high-temperature during July is 80.2°F (26.8°C) and the low-temperature is 63.1°F (17.3°C).

What is the average humidity in July?

In July, the average relative humidity is 80%.

How many days does it rain in July?

In July, the rain falls for 13.3 days. Throughout July, 1.57" (40mm) 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 59min.

When are sunrise and sunset in July in Greenville?

In July, on the first day of the month, sunrise is at 5:45 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:42 pm CDT.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

How many hours of sunshine does Greenville have in July?

In Greenville, the average sunshine duration in July is 10.4h.

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 reading in July in Greenville?

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

Average temperature in July - Greenville, IA
  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in July: 63.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

Average pressure in July
Greenville, IA

Average pressure in July - Greenville, IA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in July
Greenville, IA

Average wind speed in July - Greenville, IA
  • Average wind speed in July: 7.6mph

The windiest months (with the highest average wind speed) are January and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in July
Greenville, IA

Average humidity in July - Greenville, IA
  • Average humidity in July: 80%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (68%).

Average rainfall in July
Greenville, IA

Average rainfall in July - Greenville, IA
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in July
Greenville, IA

Average rainfall days in July - Greenville, IA
  • Average rainfall days in July: 13.3 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in July
Greenville, IA

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

The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Greenville, IA

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

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Greenville, IA
  • Average daylight in July: 15h and 0min

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

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in July
Greenville, IA

Average sunshine days in July - Greenville, IA
  • Average sunshine days in July: 14.1 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in July
Greenville, IA

Average UV index in July - Greenville, 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 February (UV index 1).

Average cloud cover in July
Greenville, IA

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in July
Greenville, IA

Average visibility in July - Greenville, 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).

Greenville, Iowa, USA

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