August weather forecast
Birmingham, IA

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Weather in August

August, the last month of the summer in Birmingham, is also a moderately hot month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 81.5°F (27.5°C).

Temperature

The advent of August denotes an average high-temperature of a still moderately hot 81.5°F (27.5°C), subtly different from July's 82.4°F (28°C). Birmingham observes an average low-temperature of 63.3°F (17.4°C) during August nights.

Heat index

In August, the heat index is estimated at a tropical 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

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

Rainfall

In Birmingham, Iowa, in August, during 12.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 135.6 rainfall days, and 28.66" (728mm) of precipitation is accumulated.

Snowfall

In Birmingham, Iowa, snow does not fall in May through September.

Daylight

In Birmingham, the average length of the day in August is 13h and 45min.
On the first day of August in Birmingham, Iowa, sunrise is at 6:04 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:41 pm CDT.

Sunshine

In Birmingham, the average sunshine in August is 9.8h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Birmingham. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August leads to these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August in Birmingham?

An average high-temperature, in August, in Birmingham, is 81.5°F (27.5°C) and the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in August in Birmingham?

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

How many days does it rain in August in Birmingham?

In August, in Birmingham, the rain falls for 12.1 days. Throughout August, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Birmingham?

In Birmingham, snow does not fall in May through September.

How many hours of daylight does Birmingham have in August?

The average day length in August in Birmingham, Iowa, is 13h and 45min.

When is the sunrise / sunset in August in Birmingham?

On the first day of August, sunrise is at 6:04 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:41 pm CDT.

How long on average sun shines in August in Birmingham?

The average sunshine duration in August in Birmingham, Iowa, is 9.8h.

What is the month with the highest UV index in Birmingham?

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 Birmingham?

In August, the average daily maximum UV index in Birmingham, Iowa, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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 August
Birmingham, IA

Average temperature in August - Birmingham, IA
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in August: 63.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

Average pressure in August
Birmingham, IA

Average pressure in August - Birmingham, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Birmingham, IA

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

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August
Birmingham, IA

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

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

Average rainfall in August
Birmingham, IA

Average rainfall in August - Birmingham, IA
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").

Average rainfall days in August
Birmingham, IA

Average rainfall days in August - Birmingham, IA
  • Average rainfall days in August: 12.1 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).

Average snowfall in August
Birmingham, IA

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

The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Birmingham, IA

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

The month with the highest number of snowfall days is January (10.3 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
Birmingham, IA

Average daylight in August / Average sunshine in August - Birmingham, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in August
Birmingham, IA

Average sunshine days in August - Birmingham, IA
  • Average sunshine days in August: 16.7 days

The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).

Average UV index in August
Birmingham, IA

Average UV index in August - Birmingham, 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
Birmingham, IA

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

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 30).

Average visibility in August
Birmingham, IA

Average visibility in August - Birmingham, 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).

Birmingham, Iowa, USA

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