August weather forecast
Jeffrey, WV

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Weather in August

The last month of the summer, August, is another warm month in Jeffrey, West Virginia, with an average temperature fluctuating between 84°F (28.9°C) and 61°F (16.1°C).

Temperature

Jeffrey registers an average high-temperature of a still warm 84°F (28.9°C) with the arrival of August, showing minor deviation from the preceding month. Jeffrey's nighttime temperatures in August reflect a stark contrast to the day's highs, falling to an average low of 61°F (16.1°C).

Heat index

During August, the heat index is estimated at a hot 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

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

Rainfall

In Jeffrey, during August, the rain falls for 15.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Jeffrey, during the entire year, the rain falls for 183.9 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Jeffrey, the average length of the day in August is 13h and 35min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:36 pm. On the last day of August, sunrise is at 6:56 am and sunset at 7:57 pm EDT.

Sunshine

The month with the most sunshine is August, with an average of 10.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 6 in August translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Jeffrey during August?

In August, the average high-temperature and low-temperature are 84°F (28.9°C) and 61°F (16.1°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 93.2°F (34°C).

What is the least humid month in Jeffrey?

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

What is the average humidity in August in Jeffrey?

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

How many days does it rain in August in Jeffrey?

In Jeffrey, West Virginia, in August, during 15.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow in Jeffrey?

May through September are months without snowfall in Jeffrey.

What is the average length of the day in August in Jeffrey?

In August, the average day length in Jeffrey, West Virginia, is 13h and 35min.

When is the sunrise / sunset in August in Jeffrey?

In August, on the first day of the month, sunrise is at 6:31 am and sunset at 8:36 pm. On the last day of the month, in Jeffrey, sunrise is at 6:56 am and sunset at 7:57 pm EDT.

What month has the most sunshine in Jeffrey?

With an average of 10.1h of sunshine, August has the most sunshine of the year in Jeffrey, West Virginia.

How long on average sun shines in August in Jeffrey?

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

What is the month with the highest UV index in Jeffrey?

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 in Jeffrey?

In August, the average daily maximum UV index in Jeffrey is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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
Jeffrey, WV

Average temperature in August - Jeffrey, 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
Jeffrey, WV

Average pressure in August - Jeffrey, 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
Jeffrey, WV

Average wind speed in August - Jeffrey, 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
Jeffrey, WV

Average humidity in August - Jeffrey, 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
Jeffrey, WV

Average rainfall in August - Jeffrey, 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
Jeffrey, WV

Average rainfall days in August - Jeffrey, 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
Jeffrey, WV

Average snowfall in August - Jeffrey, 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
Jeffrey, WV

Average snowfall days in August - Jeffrey, 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
Jeffrey, WV

Average daylight in August / Average sunshine in August - Jeffrey, 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
Jeffrey, WV

Average sunshine days in August - Jeffrey, 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
Jeffrey, WV

Average UV index in August - Jeffrey, 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
Jeffrey, WV

Average cloud cover in August - Jeffrey, 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
Jeffrey, WV

Average visibility in August - Jeffrey, 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).

Jeffrey, West Virginia, USA

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