August weather forecast
Marnie, WV

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Weather in August

The last month of the summer, August, is also a moderately hot month in Marnie, West Virginia, with an average temperature varying between 84°F (28.9°C) and 61°F (16.1°C).

Temperature

The unfolding of August shows an average high-temperature of a still moderately hot 84°F (28.9°C), indicating a slight variance from July's 85.5°F (29.7°C). A noteworthy thermal contrast characterizes Marnie's August nights, with temperatures averaging at a refreshing 61°F (16.1°C).

Heat index

For August, the heat index is computed to be a hot 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

June through August and November, with an average relative humidity of 76%, are the least humid months.

Rainfall

In Marnie, in August, during 15.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Marnie, during the entire year, the rain falls for 183.9 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

In Marnie, snow does not fall in May through September.

Daylight

In Marnie, the average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:30 am and sunset at 8:35 pm. On the last day of August, sunrise is at 6:56 am and sunset at 7:57 pm EDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year.

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 vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

Is it hot during August?

August temperatures vary between a high-temperature of 84°F (28.9°C) and a low-temperature of 61°F (16.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 93.2°F (34°C).

What are the least humid months?

June through August and November, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in August?

In Marnie, the average relative humidity in August is 76%.

How many days does it rain in August?

In Marnie, in August, it is raining for 15.8 days, with typically 2.28" (58mm) of accumulated precipitation.

When it does not snow?

In Marnie, snow does not fall in May through September.

What is the average length of the day in August?

In Marnie, the average day length in August is 13h and 35min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:30 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 7:57 pm EDT.

What month has the most sunshine?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August?

In Marnie, the average sunshine duration in August is 10.1h.

When is 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?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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
Marnie, WV

Average temperature in August - Marnie, WV
  • Average high temperature in August: 84°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 61°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in August
Marnie, WV

Average pressure in August - Marnie, WV
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Marnie, WV

Average wind speed in August - Marnie, WV
  • Average wind speed in August: 4mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in August
Marnie, WV

Average humidity in August - Marnie, WV
  • Average humidity in August: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

Average rainfall in August
Marnie, WV

Average rainfall in August - Marnie, WV
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in August
Marnie, WV

Average rainfall days in August - Marnie, WV
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in August
Marnie, WV

Average snowfall in August - Marnie, WV
  • Average snowfall in August: 0"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Marnie, WV

Average snowfall days in August - Marnie, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Marnie, WV

Average daylight in August / Average sunshine in August - Marnie, WV
  • 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 36min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Marnie, WV

Average sunshine days in August - Marnie, WV
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in August
Marnie, WV

Average UV index in August - Marnie, WV
  • 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
Marnie, WV

Average cloud cover in August - Marnie, WV
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Marnie, WV

Average visibility in August - Marnie, WV
  • Average visibility in August: 5mi

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

Marnie, West Virginia, USA

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