July weather forecast
Centerville, IA

Share

Weather in July

July, like June, in Centerville, Iowa, is another warm summer month, with an average temperature ranging between max 83.1°F (28.4°C) and min 66°F (18.9°C).

Temperature

In Centerville, the highest average temperatures are observed in July, with a high of 83.1°F (28.4°C) and a low of 66°F (18.9°C).

Heat index

In July, the average heat index is evaluated at a tropical 91.4°F (33°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In July, the average relative humidity is 81%.

Rainfall

In Centerville, in July, during 16 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Centerville, Iowa, during the entire year, the rain falls for 143.2 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

June through September are months without snowfall in Centerville.

Daylight

In Centerville, Iowa, the average length of the day in July is 14h and 45min.
On the first day of July, sunrise is at 5:44 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:27 pm CDT.

Sunshine

The month with the most sunshine in Centerville is July, with an average of 10.4h 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 estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 suggests this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
[Resources]

Frequently asked questions

What month is the hottest in Centerville?

Centerville's warmest month, July, registers temperatures that range from a high of 83.1°F (28.4°C) to a low of 66°F (18.9°C).

How hot is July in Centerville?

The average high-temperature, in July, in Centerville, is 83.1°F (28.4°C), while the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is evaluated at 91.4°F (33°C).

What is the average humidity in July in Centerville?

In Centerville, the average relative humidity in July is 81%.

How many days does it rain in July in Centerville?

In Centerville, Iowa, in July, it is raining for 16 days, with typically 2.64" (67mm) of accumulated precipitation.

When it does not snow in Centerville?

In Centerville, Iowa, snow does not fall in June through September.

How many hours of daylight does Centerville have in July?

The average day length in July in Centerville, Iowa, is 14h and 45min.

When is the sunrise / sunset in July in Centerville?

On the first day of July in Centerville, sunrise is at 5:44 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:27 pm CDT.

What month has the most sunshine in Centerville?

July has the most sunshine of the year in Centerville, Iowa, with an average of 10.4h of sunshine.

How long on average sun shines in July in Centerville?

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

When is the highest UV index in Centerville?

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

How high is the UV index in July in Centerville?

The average daily maximum UV index in July in Centerville, Iowa, is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Centerville, IA

Average temperature in July - Centerville, IA
  • Average high temperature in July: 83.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in July: 66°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

[Resources]

Average pressure in July
Centerville, IA

Average pressure in July - Centerville, 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 (29.89"Hg).

[Resources]

Average wind speed in July
Centerville, IA

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

The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

[Resources]

Average humidity in July
Centerville, IA

Average humidity in July - Centerville, IA
  • Average humidity in July: 81%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

[Resources]

Average rainfall in July
Centerville, IA

Average rainfall in July - Centerville, IA
  • Average rainfall in July: 2.64"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").

[Resources]

Average rainfall days in July
Centerville, IA

Average rainfall days in July - Centerville, IA
  • Average rainfall days in July: 16 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

[Resources]

Average snowfall in July
Centerville, IA

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

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Centerville, IA

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

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in July / Average sunshine in July - Centerville, 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 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 18min).

[Resources]

Average sunshine days in July
Centerville, IA

Average sunshine days in July - Centerville, IA
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).

[Resources]

Average UV index in July
Centerville, IA

Average UV index in July - Centerville, 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).

[Resources]

Average cloud cover in July
Centerville, IA

Average cloud cover in July - Centerville, IA
  • Average cloud cover in July: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).

[Resources]

Average visibility in July
Centerville, IA

Average visibility in July - Centerville, 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).

[Resources]

Centerville, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location