August weather forecast
Truro, IA

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Weather in August

The last month of the summer, August, is another warm month in Truro, Iowa, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 62.6°F (17°C).

Temperature

Truro marks the onset of August with an average high-temperature of a still moderately hot 81.5°F (27.5°C), subtly divergent from July's 83.3°F (28.5°C). Nighttime temperatures in Truro consistently average an enjoyable 62.6°F (17°C) during August.

Heat index

For August, the heat index is estimated at a tropical 87.8°F (31°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. 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 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. 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 August, the average relative humidity in Truro is 79%.

Rainfall

In Truro, Iowa, during August, the rain falls for 13.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 133 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Truro, the average length of the day in August is 13h and 46min.
On the first day of August in Truro, sunrise is at 6:11 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:49 pm CDT.

Sunshine

In Truro, the average sunshine in August is 9.9h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 6 during August translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Truro in August?

August temperatures in Truro vary between a high-temperature of 81.5°F (27.5°C) and a low-temperature of 62.6°F (17°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in August in Truro?

In August, the average relative humidity in Truro, Iowa, is 79%.

How many days does it rain in August in Truro?

In Truro, Iowa, in August, it is raining for 13.7 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Truro?

June through September are months without snowfall.

How many hours of daylight does Truro have in August?

In August, the average day length in Truro is 13h and 46min.

What time are sunrise and sunset in August in Truro?

In August, on the first day of the month, sunrise is at 6:11 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 7:49 pm CDT.

How long on average sun shines in August in Truro?

The average sunshine duration in August in Truro, Iowa, is 9.9h.

When is the highest UV index in Truro?

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

How high is the UV index in August in Truro?

The average daily maximum UV index in August in Truro, 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 August
Truro, IA

Average temperature in August - Truro, IA
  • Average high temperature in August: 81.5°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 (28.8°F).

  • Average low temperature in August: 62.6°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in August
Truro, IA

Average pressure in August - Truro, IA
  • Average pressure in August: 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 August
Truro, IA

Average wind speed in August - Truro, IA
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).

Average humidity in August
Truro, IA

Average humidity in August - Truro, IA
  • Average humidity in August: 79%

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

Average rainfall in August
Truro, IA

Average rainfall in August - Truro, IA
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in August
Truro, IA

Average rainfall days in August - Truro, IA
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in August
Truro, IA

Average snowfall in August - Truro, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Truro, IA

Average snowfall days in August - Truro, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Truro, IA

Average daylight in August / Average sunshine in August - Truro, IA
  • Average daylight in August: 13h 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 August: 9h and 5min

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 24min).

Average sunshine days in August
Truro, IA

Average sunshine days in August - Truro, IA
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in August
Truro, IA

Average UV index in August - Truro, IA
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in August
Truro, IA

Average cloud cover in August - Truro, IA
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).

Average visibility in August
Truro, IA

Average visibility in August - Truro, IA
  • Average visibility in August: 6mi

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

Truro, Iowa, USA

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