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 advent of August brings an average high-temperature of a still moderately hot 77.7°F (25.4°C), almost identical to the preceding month. An average nighttime temperature of 62.8°F (17.1°C) is recorded during August.Humidity
In August, the average relative humidity is 81%.Rainfall
In Helena, during August, the rain falls for 16.2 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Helena, Ohio, during the entire year, the rain falls for 163.4 days and collects up to 30.28" (769mm) of precipitation.Snowfall
In Helena, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:49 pm. On the last day of August, sunrise is at 6:59 am and sunset at 8:07 pm EDT.
Sunshine
In August, the average sunshine is 10.1h.UV index
The months with the highest UV index in Helena are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Helena?
What is the average humidity in August in Helena?
How much does it rain in Helena in August?
When it does not snow in Helena?
What is the average length of the day in August in Helena?
When is the sunrise / sunset in August in Helena?
How many hours of sunshine does Helena have in August?
What is the month with the highest UV index in Helena?
What is the UV index reading in August in Helena?
Average temperature in August
Helena, OH
- Average high temperature in August: 77.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in August: 62.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in August
Helena, OH
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Helena, OH
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in August
Helena, OH
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Helena, OH
- Average rainfall in August: 2.91"
The wettest months (with the highest rainfall) are May and June (3.5").
The driest month (with the least rainfall) is February (1.65").
Average rainfall days in August
Helena, OH
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in August
Helena, OH
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Helena, OH
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Helena, OH
- 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 12min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Helena, OH
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in August
Helena, OH
- Average UV index in August: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Helena, OH
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Helena, OH
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Helena, Ohio, USA
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