July weather forecast
Sistersville, WV

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Weather in July

July, the same as June, is a moderately hot summer month in Sistersville, West Virginia, with an average temperature ranging between min 61.9°F (16.6°C) and max 84°F (28.9°C).

Temperature

July, on average, is the warmest month, registering a high temperature of 84°F (28.9°C) and a low of 61.9°F (16.6°C).

Heat index

The average heat index in July is estimated at a tropical 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The average relative humidity in July is 78%.

Rainfall

In Sistersville, during July, the rain falls for 18.2 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 176.6 rainfall days, and 25.91" (658mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 38min.
On the first day of July, sunrise is at 6:00 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:37 pm EDT.

Sunshine

In July, the average sunshine is 9.8h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

During the warmest month in Sistersville, July, temperatures average a high of 84°F (28.9°C) and a low of 61.9°F (16.6°C).

Is it hot during July?

In Sistersville, in July, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 61.9°F (16.6°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in July?

The average relative humidity in July in Sistersville is 78%.

How much does it rain in July?

In Sistersville, in July, it is raining for 18.2 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow in Sistersville?

May through October are months without snowfall.

How many hours of daylight does Sistersville have in July?

In July, the average day length is 14h and 38min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 6:00 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 8:37 pm EDT.

How long on average sun shines in July?

The average sunshine duration in July is 9.8h.

What are the months with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 6.

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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 July
Sistersville, WV

Average temperature in July - Sistersville, WV
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in July: 61.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in July
Sistersville, WV

Average pressure in July - Sistersville, WV
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Sistersville, WV

Average wind speed in July - Sistersville, WV
  • Average wind speed in July: 4.3mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in July
Sistersville, WV

Average humidity in July - Sistersville, WV
  • Average humidity in July: 78%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in July
Sistersville, WV

Average rainfall in July - Sistersville, WV
  • Average rainfall in July: 2.72"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in July
Sistersville, WV

Average rainfall days in July - Sistersville, WV
  • Average rainfall days in July: 18.2 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).

Average snowfall in July
Sistersville, WV

Average snowfall in July - Sistersville, WV
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Sistersville, WV

Average snowfall days in July - Sistersville, WV
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Sistersville, WV

Average daylight in July / Average sunshine in July - Sistersville, WV
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 9h and 5min

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 18min).

Average sunshine days in July
Sistersville, WV

Average sunshine days in July - Sistersville, WV
  • Average sunshine days in July: 10.2 days

The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).

Average UV index in July
Sistersville, WV

Average UV index in July - Sistersville, WV
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Sistersville, WV

Average cloud cover in July - Sistersville, WV
  • Average cloud cover in July: 38

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Sistersville, WV

Average visibility in July - Sistersville, WV
  • Average visibility in July: 5mi

The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).

Sistersville, West Virginia, USA

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