July weather forecast and climate
Saint Helena, NC

Weather in July

July, like June, is another hot summer month in Saint Helena, North Carolina, with average temperature fluctuating between 89.2°F (31.8°C) and 72.9°F (22.7°C).

Temperature

With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 72.9°F (22.7°C), July is the warmest month.

Heat index

The average heat index is evaluated at an extremely hot 108.3°F (42.4°C). Be wary - heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'feels like', or 'apparent temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, wind, pregnancy), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 99.5°F (37.5°C) to 100.9°F (38.3°C), thermal conditions are potentially life-threatening.

Humidity

In July, the average relative humidity is 77%.

Rainfall

In Saint Helena, North Carolina, during July, the rain falls for 19.8 days and regularly aggregates up to 3.54" (90mm) of precipitation. In Saint Helena, during the entire year, the rain falls for 165.3 days and collects up to 34.21" (869mm) of precipitation.

Snowfall

In Saint Helena snow does not fall in April through November.

Daylight

In Saint Helena, the average length of the day is 14.2h.

Sunshine

The month with the most sunshine is July, with an average of 10.6h of sunshine.

UV index

June and July, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Saint Helena?

With an average high-temperature of 89.2°F (31.8°C) and an average low-temperature of 72.9°F (22.7°C), July is the warmest month in Saint Helena.

What is the temperature in July in Saint Helena?

In July, in Saint Helena, North Carolina, the average high-temperature is 89.2°F (31.8°C), and the average low-temperature is 72.9°F (22.7°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that represents influence of the relative humidity to air temperaure, in July is appraised at 108.3°F (42.4°C).

What is the average humidity in July in Saint Helena?

In July, the average relative humidity is 77%.

How much does it rain in Saint Helena in July?

In Saint Helena, North Carolina, in July, it is raining for 19.8 days, with typically 3.54" (90mm) of accumulated precipitation.

When it does not snow in Saint Helena?

April through November are months without snowfall in Saint Helena, North Carolina.

How many hours of daylight does Saint Helena have in July?

In July, the average length of the day is 14.2h.

What month has the most sunshine in Saint Helena?

July has the most sunshine of the year in Saint Helena, with an average of 10.6h of sunshine.

How long on average sun shines in July in Saint Helena?

In Saint Helena, the average sunshine in July is 10.6h.

What are the months with the highest UV index in Saint Helena?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in July in Saint Helena?

In Saint Helena, North Carolina, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in July
Saint Helena, NC

Average temperature in July - Saint Helena, NC
  • Average high temperature in July: 89.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52.7°F).

  • Average low temperature in July: 72.9°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

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Average pressure in July
Saint Helena, NC

Average pressure in July - Saint Helena, NC
  • Average pressure in July: 29.99"

Months with the highest atmospheric pressure are January, November and December (30.13").
The month with the lowest atmospheric pressure is June (29.97").

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Average wind speed in July
Saint Helena, NC

Average wind speed in July - Saint Helena, NC
  • Average wind speed in July: 5.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in July
Saint Helena, NC

Average humidity in July - Saint Helena, NC
  • Average humidity in July: 77%

The month with the highest relative humidity is August (79%).
Months with the lowest relative humidity are January, February, March and April (74%).

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Average rainfall in July
Saint Helena, NC

Average rainfall in July - Saint Helena, NC
  • Average rainfall in July: 3.54"

The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in July
Saint Helena, NC

Average rainfall days in July - Saint Helena, NC
  • Average rainfall days in July: 19.8 days

Months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in July
Saint Helena, NC

Average snowfall in July - Saint Helena, NC
  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.83").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in July
Saint Helena, NC

Average snowfall days in July - Saint Helena, NC
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Saint Helena, NC

Average daylight in July / Average sunshine in July - Saint Helena, NC
  • Average daylight in July: 14.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in July: 10.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

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Average sunshine days in July
Saint Helena, NC

Average sunshine days in July - Saint Helena, NC
  • Average sunshine days in July: 8.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in July
Saint Helena, NC

Average UV index in July - Saint Helena, NC
  • Average UV index in July: 7

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in July
Saint Helena, NC

Average cloud cover in July - Saint Helena, NC
  • Average cloud cover in July: 31

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Saint Helena, NC

Average visibility in July - Saint Helena, NC
  • Average visibility in July: 6mi

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

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