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
The shift into August finds Waterloo at an average high-temperature of a still warm 82.9°F (28.3°C), closely comparable to July's conditions. Waterloo's temperature in August lowers to a consistent average of 63.1°F (17.3°C) during the nights.Heat index
The heat index for August is evaluated at a hot 89.6°F (32°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In August, the average relative humidity is 75%.Rainfall
In Waterloo, in August, it is raining for 13.8 days, with typically 2.36" (60mm) of accumulated precipitation. In Waterloo, during the entire year, the rain falls for 115.6 days and collects up to 19.13" (486mm) of precipitation.Snowfall
In Waterloo, snow does not fall in May through September.Daylight
In Waterloo, the average length of the day in August is 13h and 47min.On the first day of August, sunrise is at 6:21 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 7:59 pm CDT.
Sunshine
In August, the average sunshine in Waterloo, Nebraska, 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: In August, an average UV index of 6 transforms into the following instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Waterloo have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Waterloo have in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Waterloo, NE
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in August
Waterloo, NE
- 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
Waterloo, NE
- 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
Waterloo, NE
- Average humidity in August: 75%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (66%).
Average rainfall in August
Waterloo, NE
- Average rainfall in August: 2.36"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in August
Waterloo, NE
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in August
Waterloo, NE
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Waterloo, NE
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.6 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
Waterloo, NE
- 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: 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 54min).
Average sunshine days in August
Waterloo, NE
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is December (23 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in August
Waterloo, NE
- 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, NE
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Waterloo, NE
- 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).
Waterloo, Nebraska, USA
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