July weather forecast
Afton, IA

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Weather in July

July, like June, in Afton, Iowa, is a moderately hot summer month, with an average temperature varying between 65.8°F (18.8°C) and 82.9°F (28.3°C).

Temperature

The average temperatures reach their apex in July, averaging 82.9°F (28.3°C) at the high end and 65.8°F (18.8°C) at the low end.

Heat index

July's heat index is computed to be a hot 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The average relative humidity in July is 80%.

Rainfall

In Afton, in July, during 14.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Afton, during the entire year, the rain falls for 127.7 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

In Afton, snow does not fall in June through September.

Daylight

The average length of the day in July in Afton is 14h and 47min.
On the first day of July, sunrise is at 5:48 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:33 pm CDT.

Sunshine

With an average of 10.1h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In July, an average UV index of 6 transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Afton?

Afton experiences its average highest temperatures in July, reaching a peak of 82.9°F (28.3°C) and a minimum of 65.8°F (18.8°C).

How hot is July?

In Afton, 82.9°F (28.3°C) is the average high-temperature and 65.8°F (18.8°C) is the average low-temperature during July. 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 computed to be 91.4°F (33°C).

What is the average humidity in July?

The average relative humidity in July is 80%.

How many days does it rain in July?

In Afton, Iowa, during July, the rain falls for 14.8 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In Afton, Iowa, the average day length in July is 14h and 47min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:48 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:33 pm CDT.

What month has the most sunshine?

With an average of 10.1h of sunshine, July has the most sunshine of the year in Afton.

How many hours of sunshine does Afton have in July?

The average sunshine duration in July is 10.1h.

When is the highest UV index?

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

What is the UV index reading in July in Afton?

In Afton, the average daily maximum UV index in July is 6. A UV Index estimate 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
Afton, IA

Average temperature in July - Afton, IA
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in July: 65.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in July
Afton, IA

Average pressure in July - Afton, 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
Afton, IA

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

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

Average humidity in July
Afton, IA

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

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

Average rainfall in July
Afton, IA

Average rainfall in July - Afton, IA
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in July
Afton, IA

Average rainfall days in July - Afton, IA
  • Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).

Average snowfall in July
Afton, IA

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

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Afton, IA

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Afton, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in July
Afton, IA

Average sunshine days in July - Afton, IA
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in July
Afton, IA

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

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

Average cloud cover in July
Afton, IA

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

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).

Average visibility in July
Afton, IA

Average visibility in July - Afton, 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).

Afton, Iowa, USA

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