August weather forecast
Mount Lucia, IA

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Weather in August

August, the last month of the summer in Mount Lucia, is also a moderately hot month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 82°F (27.8°C).

Temperature

The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 82°F (27.8°C) from July's 84°F (28.9°C). In August, the average low-temperature is an enjoyable 61.3°F (16.3°C).

Heat index

For most parts of August, the heat index is estimated at a hot 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Being exposed to direct sunshine might trigger a heat index 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, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to 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

The average relative humidity in August in Mount Lucia is 74%.

Rainfall

In August, the rain falls for 13.6 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Mount Lucia, during the entire year, the rain falls for 122 days and collects up to 21.61" (549mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Mount Lucia, the average length of the day in August is 13h and 51min.
On the first day of August, sunrise is at 6:18 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:01 pm CDT.

Sunshine

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

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 in August translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

An average high-temperature, in August, in Mount Lucia, is 82°F (27.8°C) and the average low-temperature is 61.3°F (16.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in August?

The average relative humidity in August is 74%.

How much does it rain in Mount Lucia in August?

In Mount Lucia, Iowa, during August, the rain falls for 13.6 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow?

June 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 51min.

What time are sunrise and sunset in August?

On the first day of August in Mount Lucia, Iowa, sunrise is at 6:18 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:01 pm CDT.

How long on average sun shines in August?

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

How high is the UV index in August?

In Mount Lucia, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium 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
Mount Lucia, IA

Average temperature in August - Mount Lucia, IA
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in August: 61.3°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 (13.1°F).

Average pressure in August
Mount Lucia, IA

Average pressure in August - Mount Lucia, IA
  • Average pressure in August: 29.94"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
Mount Lucia, IA

Average wind speed in August - Mount Lucia, IA
  • Average wind speed in August: 8mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in August
Mount Lucia, IA

Average humidity in August - Mount Lucia, IA
  • Average humidity in August: 74%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).

Average rainfall in August
Mount Lucia, IA

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

The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in August
Mount Lucia, IA

Average rainfall days in August - Mount Lucia, IA
  • Average rainfall days in August: 13.6 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August
Mount Lucia, IA

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

The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Mount Lucia, IA

Average snowfall days in August - Mount Lucia, 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 June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Mount Lucia, IA

Average daylight in August / Average sunshine in August - Mount Lucia, IA
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
Mount Lucia, IA

Average sunshine days in August - Mount Lucia, IA
  • Average sunshine days in August: 14.7 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in August
Mount Lucia, IA

Average UV index in August - Mount Lucia, IA
  • Average UV index in August: 5

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August
Mount Lucia, IA

Average cloud cover in August - Mount Lucia, IA
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in August
Mount Lucia, IA

Average visibility in August - Mount Lucia, 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).

Mount Lucia, Iowa, USA

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