August weather forecast
Waterloo, KY

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Weather in August

The last month of the summer, August, is another warm month in Waterloo, Kentucky, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C).

Temperature

As July transitions into August, the average high-temperature rests at a still moderately hot 84.2°F (29°C), maintaining a close resemblance to the previous month. In August, Waterloo reports a consistent average low-temperature of 64°F (17.8°C) during the nights.

Heat index

The heat index in August is computed to be a tropical 93.2°F (34°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The average relative humidity in August is 75%.

Rainfall

In August, in Waterloo, the rain falls for 14.3 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. In Waterloo, during the entire year, the rain falls for 167 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day in Waterloo, Kentucky, is 13h and 38min.
On the first day of August, sunrise is at 6:40 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:10 pm EDT.

Sunshine

In August, the average sunshine is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is August?

During August, Waterloo experiences an average high-temperature of 84.2°F (29°C) and a low-temperature of 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 93.2°F (34°C).

What is the average humidity in August?

In Waterloo, the average relative humidity in August is 75%.

How many days does it rain in August?

In Waterloo, in August, during 14.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 38min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:40 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 8:10 pm EDT.

How long on average sun shines in August?

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 August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Waterloo, KY

Average temperature in August - Waterloo, KY
  • Average high temperature in August: 84.2°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in August: 64°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 (23.9°F).

Average pressure in August
Waterloo, KY

Average pressure in August - Waterloo, KY
  • Average pressure in August: 29.98"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Waterloo, KY

Average wind speed in August - Waterloo, KY
  • Average wind speed in August: 4.9mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in August
Waterloo, KY

Average humidity in August - Waterloo, KY
  • Average humidity in August: 75%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in August
Waterloo, KY

Average rainfall in August - Waterloo, KY
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in August
Waterloo, KY

Average rainfall days in August - Waterloo, KY
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in August
Waterloo, KY

Average snowfall in August - Waterloo, KY
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Waterloo, KY

Average snowfall days in August - Waterloo, KY
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.8 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
Waterloo, KY

Average daylight in August / Average sunshine in August - Waterloo, KY
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in August
Waterloo, KY

Average sunshine days in August - Waterloo, KY
  • Average sunshine days in August: 14.3 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in August
Waterloo, KY

Average UV index in August - Waterloo, KY
  • 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, November and December (UV index 2).

Average cloud cover in August
Waterloo, KY

Average cloud cover in August - Waterloo, KY
  • Average cloud cover in August: 29

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in August
Waterloo, KY

Average visibility in August - Waterloo, KY
  • Average visibility in August: 6mi

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

Waterloo, Kentucky, USA

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