August weather forecast
Logan, IA

Share

Weather in August

August, the last month of the summer in Logan, is another warm month, with an average temperature fluctuating between 81.9°F (27.7°C) and 62.2°F (16.8°C).

Temperature

Shifting into August, Logan records an average high-temperature of a still warm 81.9°F (27.7°C), presenting minor fluctuations compared to the previous month. During the month of August, Logan's nighttime temperature lowers to an average of 62.2°F (16.8°C).

Heat index

During August, the heat index is estimated at a hot 87.8°F (31°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The average relative humidity in August is 77%.

Rainfall

In August, the rain falls for 14.3 days. Throughout August, 2.48" (63mm) of precipitation is accumulated. In Logan, during the entire year, the rain falls for 123.1 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

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

Daylight

In Logan, the average length of the day in August is 13h and 48min.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:48 am and sunset at 7:57 pm CDT.

Sunshine

In Logan, the average sunshine in August is 10h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What are August temperatures?

During August, Logan experiences an average high-temperature of 81.9°F (27.7°C) and a low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in August in Logan?

The average relative humidity in August is 77%.

How many days does it rain in August?

In August, the rain falls for 14.3 days. Throughout August, 2.48" (63mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Logan have in August?

In Logan, the average day length in August is 13h and 48min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:18 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Logan have in August?

The average sunshine duration in August is 10h.

When is the highest UV index?

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?

The average daily maximum UV index in August is 6. A UV Index estimate 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
Logan, IA

Average temperature in August - Logan, IA
  • Average high temperature in August: 81.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in August
Logan, IA

Average pressure in August - Logan, IA
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in August
Logan, IA

Average wind speed in August - Logan, IA
  • Average wind speed in August: 7.5mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in August
Logan, IA

Average humidity in August - Logan, IA
  • Average humidity in August: 77%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).

Average rainfall in August
Logan, IA

Average rainfall in August - Logan, IA
  • Average rainfall in August: 2.48"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in August
Logan, IA

Average rainfall days in August - Logan, IA
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in August
Logan, IA

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

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Logan, IA

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Logan, 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 12min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in August
Logan, IA

Average sunshine days in August - Logan, IA
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in August
Logan, IA

Average UV index in August - Logan, 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
Logan, IA

Average cloud cover in August - Logan, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in August
Logan, IA

Average visibility in August - Logan, 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).

Logan, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location