July weather forecast
Thayer, IA

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Weather in July

July, like June, in Thayer, Iowa, is another warm summer month, 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

July is the warmest month, with an average high-temperature of 83.3°F (28.5°C) and an average low-temperature of 65.7°F (18.7°C).

Heat index

For most parts of July, the heat index is estimated at a tropical 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In July, the average relative humidity is 81%.

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Thayer are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What is the hottest time of year?

With average high and low temperatures of 83.3°F (28.5°C) and 65.7°F (18.7°C) respectively, July is Thayer's warmest month.

How hot does it get in July?

The high-temperature, in July, in Thayer, is 83.3°F (28.5°C), while the low-temperature averages to 65.7°F (18.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in July?

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

How many days does it rain 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?

June through September are months without snowfall.

How many hours of daylight does Thayer have in July?

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

When are sunrise and sunset in July?

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

What month has the most sunshine?

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

How long on average sun shines in July?

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

What is the month with the highest UV index?

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

How high is the UV index in July?

In Thayer, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Thayer, Iowa, USA

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