July weather forecast
Thayer, IA

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Weather in July

July, the same as June, is another warm summer month in Thayer, Iowa, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 83.3°F (28.5°C).

Temperature

Thayer's July weather, marked by an average high temperature of 83.3°F (28.5°C) and an average low temperature of 65.7°F (18.7°C), is the warmest in the year.

Heat index

During July, the heat index is calculated to be a tropical 93.2°F (34°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July in Thayer is 81%.

Rainfall

In Thayer, in July, it is raining for 14.4 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Thayer, there are 122.6 rainfall days, and 20.43" (519mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Thayer, Iowa.

Daylight

The average length of the day in July is 14h and 47min.
On the first day of July in Thayer, sunrise is at 5:48 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:33 pm CDT.

Sunshine

With an average of 10.3h of sunshine, July has the most sunshine of the year in Thayer.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Thayer. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 6 during July translates into the following guidance:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What are the warmest months in Thayer?

Thayer, Iowa, reaches its average highest temperatures in July, measuring 83.3°F (28.5°C) at the peak and 65.7°F (18.7°C) at the lowest.

How hot does it get in Thayer in July?

During July, Thayer experiences an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 65.7°F (18.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in July is calculated to be 93.2°F (34°C).

What is the average humidity in July in Thayer?

In July, the average relative humidity is 81%.

How much does it rain in Thayer in July?

In Thayer, during July, the rain falls for 14.4 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Thayer?

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

How many hours of daylight does Thayer have in July?

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

What time are sunrise and sunset in July in Thayer?

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 6:11 am and sunset at 8:33 pm CDT.

What month has the most sunshine in Thayer?

July has the most sunshine of the year in Thayer, with an average of 10.3h of sunshine.

How long on average sun shines in July in Thayer?

In Thayer, the average sunshine duration in July is 10.3h.

When is the highest UV index in Thayer?

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

What is the UV index reading in July in Thayer?

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

Average temperature in July - Thayer, IA
  • Average high temperature in July: 83.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in July
Thayer, IA

Average pressure in July - Thayer, 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).

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Average wind speed in July
Thayer, IA

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

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

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Average humidity in July
Thayer, IA

Average humidity in July - Thayer, 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 (71%).

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Average rainfall in July
Thayer, IA

Average rainfall in July - Thayer, IA
  • Average rainfall in July: 1.93"

The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is December (0.63").

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Average rainfall days in July
Thayer, IA

Average rainfall days in July - Thayer, IA
  • Average rainfall days in July: 14.4 days

The months with the highest number of rainy days are May and June (16.4 days).
The months with the least rainy days are January and February (3.7 days).

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Average snowfall in July
Thayer, IA

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

The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Thayer, IA

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

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Thayer, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in July
Thayer, IA

Average sunshine days in July - Thayer, IA
  • Average sunshine days in July: 13.1 days

The month with the most sunshine days is December (21 days).
The months with the least sunshine days are May and June (11.3 days).

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Average UV index in July
Thayer, IA

Average UV index in July - Thayer, 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).

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Average cloud cover in July
Thayer, IA

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

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in July
Thayer, IA

Average visibility in July - Thayer, IA
  • Average visibility in July: 6mi

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

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Thayer, Iowa, USA

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