Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With August's advent, Letts sees an average high-temperature of a still warm 81.1°F (27.3°C), subtly shifted from July's 81.7°F (27.6°C). August in Letts is noted for a mean low-temperature of 63.1°F (17.3°C).Heat index
In August, the heat index is evaluated at a hot 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In Letts, the average relative humidity in August is 79%.Rainfall
In Letts, Iowa, in August, during 14.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 153.8 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Letts.Daylight
In August, the average length of the day in Letts is 13h and 47min.On the first day of August, sunrise is at 6:00 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:38 pm CDT.
Sunshine
In August, the average sunshine in Letts is 10h.UV index
The months with the highest UV index in Letts 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 unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in August translates into these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What is the temperature in August in Letts?
What is the average humidity in August in Letts?
How much does it rain in Letts in August?
When it does not snow in Letts?
How many hours of daylight does Letts have in August?
When is the sunrise / sunset in August in Letts?
How many hours of sunshine does Letts have in August?
What is the month with the highest UV index in Letts?
What is the UV index intensity in August in Letts?
Average temperature in August
Letts, IA
- Average high temperature in August: 81.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in August
Letts, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Letts, IA
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Letts, IA
- Average humidity in August: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Letts, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (5").
The driest months (with the least rainfall) are February and December (1.46").
Average rainfall days in August
Letts, IA
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in August
Letts, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.92").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Letts, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Letts, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Letts, IA
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in August
Letts, 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 and December (UV index 1).
Average cloud cover in August
Letts, IA
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in August
Letts, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Letts, Iowa, USA
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