Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Waterloo starts August with an average high-temperature of a moderately hot 85.3°F (29.6°C), a minor shift from July's 86.5°F (30.3°C). Nightly readings in August display a noticeable downturn from daily highs, with the average low-temperature registering an enjoyable 62.6°F (17°C).Heat index
August's mean heat index is computed to be a fiery hot 95°F (35°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. When under direct sunshine, the heat index may be elevated 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. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
With an average relative humidity of 74%, August is the least humid month.Rainfall
In Waterloo, Ohio, in August, it is raining for 13 days, with typically 1.3" (33mm) of accumulated precipitation. In Waterloo, during the entire year, the rain falls for 149 days and collects up to 16.26" (413mm) of precipitation.Snowfall
In Waterloo, Ohio, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 38min.On the first day of August in Waterloo, sunrise is at 6:32 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 8:01 pm EDT.
Sunshine
The month with the most sunshine in Waterloo is August, with an average of 10.5h of sunshine.UV index
The months with the highest UV index in Waterloo are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 6 during August leads to these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Waterloo in August?
What is the least humid month in Waterloo?
What is the average humidity in August in Waterloo?
How much does it rain in Waterloo in August?
When it does not snow in Waterloo?
What is the average length of the day in August in Waterloo?
When is the sunrise / sunset in August in Waterloo?
What month has the most sunshine in Waterloo?
How many hours of sunshine does Waterloo have in August?
What are the months with the highest UV index in Waterloo?
What is the UV index reading in August in Waterloo?
Average temperature in August
Waterloo, OH
- Average high temperature in August: 85.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 62.6°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in August
Waterloo, OH
- Average pressure in August: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in August
Waterloo, OH
- Average wind speed in August: 4.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in August
Waterloo, OH
- Average humidity in August: 74%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in August
Waterloo, OH
- Average rainfall in August: 1.3"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in August
Waterloo, OH
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in August
Waterloo, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Waterloo, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.8 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, OH
- Average daylight in August: 13h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in August: 10h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Waterloo, OH
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in August
Waterloo, OH
- Average UV index in August: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in August
Waterloo, OH
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Waterloo, OH
- Average visibility in August: 6mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Waterloo, Ohio, USA
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