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 the advent of August, Mercer's high-temperatures adjust to a still moderately hot 81.1°F (27.3°C), closely aligning with the preceding month. In the month of August, Mercer's average low-temperature falls to an enjoyable 63°F (17.2°C).Heat index
During August, the heat index is computed to be a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.It is important to note that the heat index values are for shaded areas and light wind scenarios. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Mercer, the average relative humidity in August is 79%.Rainfall
In Mercer, during August, the rain falls for 12.6 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Mercer, there are 115.1 rainfall days, and 19.21" (488mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Mercer.Daylight
In August, the average length of the day in Mercer is 13h and 46min.On the first day of August in Mercer, sunrise is at 6:15 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average August temperature in Mercer?
What is the average humidity in August in Mercer?
How many days does it rain in August in Mercer?
When it does not snow in Mercer?
How many hours of daylight does Mercer have in August?
When are sunrise and sunset in August in Mercer?
How many hours of sunshine does Mercer have in August?
When is the highest UV index in Mercer?
What is the UV index intensity in August in Mercer?
Average temperature in August
Mercer, IA
- Average high temperature in August: 81.1°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 (29.3°F).
- Average low temperature in August: 63°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in August
Mercer, 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
Mercer, IA
- Average wind speed in August: 7.1mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in August
Mercer, IA
- Average humidity in August: 79%
The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in August
Mercer, IA
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in August
Mercer, IA
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Mercer, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Mercer, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Mercer, 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 4min
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
Mercer, IA
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in August
Mercer, IA
- Average UV index in August: 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 August
Mercer, IA
- Average cloud cover in August: 31
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
Mercer, IA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mercer, Iowa, USA
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