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
In August, Johnstown's weather conditions record an average high-temperature of a still moderately hot 84°F (28.9°C), demonstrating little divergence from the preceding month. In Johnstown, August is marked by an average low-temperature of 63.1°F (17.3°C).Heat index
Throughout August, the heat index is evaluated at a tropical 87.8°F (31°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 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
In August, the average relative humidity is 61%.Rainfall
In Johnstown, in August, during 12.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Johnstown, there are 103.2 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
June through August are months without snowfall in Johnstown, Nebraska.Daylight
In August, the average length of the day in Johnstown is 13h and 52min.On the first day of August, sunrise is at 6:33 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 8:15 pm CDT.
Sunshine
In August, the average sunshine in Johnstown, Nebraska, is 10.7h.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 risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 during August translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
Is it hot in Johnstown during August?
What is the average humidity in August in Johnstown?
How many days does it rain in August in Johnstown?
When it does not snow in Johnstown?
Does it snow in Johnstown in August?
How many hours of daylight does Johnstown have in August?
When is the sunrise / sunset in August in Johnstown?
How long on average sun shines in August in Johnstown?
What is the month with the highest UV index in Johnstown?
What is the UV index reading in August in Johnstown?
Average temperature in August
Johnstown, NE
- Average high temperature in August: 84°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Johnstown, NE
- Average pressure in August: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in August
Johnstown, NE
- Average wind speed in August: 10.7mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest months (with the lowest average wind speed) are July and August (10.7mph).
Average humidity in August
Johnstown, NE
- Average humidity in August: 61%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is September (59%).
Average rainfall in August
Johnstown, NE
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in August
Johnstown, NE
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are February and December (2.3 days).
Average snowfall in August
Johnstown, NE
- Average snowfall in August: 0"
The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July and August (0").
Average snowfall days in August
Johnstown, NE
- 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 and August (0 days).
Average daylight in August /
Average sunshine in August
Johnstown, NE
- 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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in August
Johnstown, NE
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in August
Johnstown, 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
Johnstown, NE
- Average cloud cover in August: 22
The months with the most cloud cover are January and February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in August
Johnstown, 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).
Johnstown, Nebraska, USA
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