August weather forecast
Mount Pleasant, IA

Share

Weather in August

The last month of the summer, August, is also a moderately hot month in Mount Pleasant, Iowa, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 81.7°F (27.6°C).

Temperature

The high-temperature average in August for Mount Pleasant is a still warm 81.7°F (27.6°C), staying closely aligned with July's conditions. Mount Pleasant's temperature lowers to a mean of 63.3°F (17.4°C) during the nights in August.

Heat index

For August, the heat index is evaluated at a tropical 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

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

Rainfall

In August, the rain falls for 13.1 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Mount Pleasant, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 46min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

Sunshine

In Mount Pleasant, 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mount Pleasant in August?

An average high-temperature, in August, in Mount Pleasant, is 81.7°F (27.6°C) and the average low-temperature is 63.3°F (17.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What is the average humidity in August?

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

How many days does it rain in August?

In August, the rain falls for 13.1 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

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

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:03 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm CDT.

How many hours of sunshine does Mount Pleasant have in August?

In Mount Pleasant, the average sunshine duration in August is 9.9h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

In Mount Pleasant, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
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
Mount Pleasant, IA

Average temperature in August - Mount Pleasant, IA
  • Average high temperature in August: 81.7°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 (29.7°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 (17.4°F).

Average pressure in August
Mount Pleasant, IA

Average pressure in August - Mount Pleasant, 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
Mount Pleasant, IA

Average wind speed in August - Mount Pleasant, IA
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in August
Mount Pleasant, IA

Average humidity in August - Mount Pleasant, 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
Mount Pleasant, IA

Average rainfall in August - Mount Pleasant, IA
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").

Average rainfall days in August
Mount Pleasant, IA

Average rainfall days in August - Mount Pleasant, IA
  • Average rainfall days in August: 13.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in August
Mount Pleasant, IA

Average snowfall in August - Mount Pleasant, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Mount Pleasant, IA

Average snowfall days in August - Mount Pleasant, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.6 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
Mount Pleasant, IA

Average daylight in August / Average sunshine in August - Mount Pleasant, 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 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Mount Pleasant, IA

Average sunshine days in August - Mount Pleasant, IA
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in August
Mount Pleasant, IA

Average UV index in August - Mount Pleasant, 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
Mount Pleasant, IA

Average cloud cover in August - Mount Pleasant, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in August
Mount Pleasant, IA

Average visibility in August - Mount Pleasant, 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).

Mount Pleasant, Iowa, USA

Weather forecast for your location

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