July weather forecast
Mackey, IA

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Weather in July

July, the same as June, is a moderately hot summer month in Mackey, Iowa, with an average temperature varying between 81.1°F (27.3°C) and 64.2°F (17.9°C).

Temperature

The warmest time of the year is July, with temperatures averaging a high of 81.1°F (27.3°C) and a low of 64.2°F (17.9°C).

Heat index

For most parts of July, the heat index is computed to be a tropical 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in July in Mackey is 83%.

Rainfall

In July, the rain falls for 17.4 days. Throughout July, 2.6" (66mm) of precipitation is accumulated. In Mackey, during the entire year, the rain falls for 143.3 days and collects up to 29.25" (743mm) of precipitation.

Snowfall

June through September are months without snowfall in Mackey.

Daylight

In Mackey, Iowa, the average length of the day in July is 14h and 54min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:55 pm. On the last day of July, in Mackey, sunrise is at 6:07 am and sunset at 8:34 pm CDT.

Sunshine

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

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Feb 12, 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 Mackey?

Mackey's warmest weather arrives in July, when temperatures average a high of 81.1°F (27.3°C) and a low of 64.2°F (17.9°C).

What are the temperatures in Mackey in July?

In Mackey, 81.1°F (27.3°C) is the average high-temperature and 64.2°F (17.9°C) is the average low-temperature during July. 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 computed to be 87.8°F (31°C).

What is the average humidity in July in Mackey?

In Mackey, the average relative humidity in July is 83%.

How many days does it rain in July in Mackey?

In Mackey, in July, during 17.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

When it does not snow in Mackey?

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

What is the average length of the day in July in Mackey?

The average day length in July is 14h and 54min.

When is the sunrise / sunset in July in Mackey?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:34 pm CDT.

What month has the most sunshine in Mackey?

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

How many hours of sunshine does Mackey have in July?

In Mackey, the average sunshine duration in July is 10.1h.

What is the month with the highest UV index in Mackey?

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

What is the UV index reading in July in Mackey?

The average daily maximum UV index in July in Mackey is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Mackey, IA

Average temperature in July - Mackey, IA
  • Average high temperature in July: 81.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in July: 64.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in July
Mackey, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in July
Mackey, IA

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

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in July
Mackey, IA

Average humidity in July - Mackey, IA
  • Average humidity in July: 83%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in July
Mackey, IA

Average rainfall in July - Mackey, IA
  • Average rainfall in July: 2.6"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in July
Mackey, IA

Average rainfall days in July - Mackey, IA
  • Average rainfall days in July: 17.4 days

The months with the highest number of rainy days are May and June (19.2 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in July
Mackey, IA

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

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Mackey, IA

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Mackey, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in July
Mackey, IA

Average sunshine days in July - Mackey, IA
  • Average sunshine days in July: 10.3 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).

Average UV index in July
Mackey, IA

Average UV index in July - Mackey, 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
Mackey, IA

Average cloud cover in July - Mackey, IA
  • Average cloud cover in July: 32

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in July
Mackey, IA

Average visibility in July - Mackey, 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).

Mackey, Iowa, USA

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