July weather forecast
Hartly, DE

Share

Weather in July

July, the same as June, is a moderately hot summer month in Hartly, Delaware, with an average temperature ranging between max 84.4°F (29.1°C) and min 69.3°F (20.7°C).

Temperature

Hartly's July weather, marked by an average high temperature of 84.4°F (29.1°C) and an average low temperature of 69.3°F (20.7°C), is the warmest in the year.

Heat index

In July, the average heat index is evaluated at a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Hartly, the average relative humidity in July is 77%.

Rainfall

In Hartly, in July, it is raining for 19 days, with typically 3.62" (92mm) of accumulated precipitation. In Hartly, Delaware, during the entire year, the rain falls for 169.2 days and collects up to 34.96" (888mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day is 14h and 36min.
On the first day of July, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year in Hartly, Delaware, with an average of 10.7h of sunshine.

UV index

May through August, 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 risk from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest?

July is the month when Hartly's temperatures reach their peak, with averages of 84.4°F (29.1°C) and lows of 69.3°F (20.7°C).

How hot is July?

July temperatures vary between a high-temperature of 84.4°F (29.1°C) and a low-temperature of 69.3°F (20.7°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 93.2°F (34°C).

What is the average humidity in July?

In July, the average relative humidity in Hartly is 77%.

How many days does it rain in July?

In July, the rain falls for 19 days. Throughout July, 3.62" (92mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Hartly have in July?

In July, the average day length is 14h and 36min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:40 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:15 pm EDT.

What month has the most sunshine?

With an average of 10.7h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Hartly, the average sunshine duration in July is 10.7h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

What is the UV index reading in July?

The average daily maximum UV index in July in Hartly is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 July
Hartly, DE

Average temperature in July - Hartly, DE
  • Average high temperature in July: 84.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in July: 69.3°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in July
Hartly, DE

Average pressure in July - Hartly, DE
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Hartly, DE

Average wind speed in July - Hartly, DE
  • Average wind speed in July: 6.1mph

The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in July
Hartly, DE

Average humidity in July - Hartly, DE
  • Average humidity in July: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in July
Hartly, DE

Average rainfall in July - Hartly, DE
  • Average rainfall in July: 3.62"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in July
Hartly, DE

Average rainfall days in July - Hartly, DE
  • Average rainfall days in July: 19 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in July
Hartly, DE

Average snowfall in July - Hartly, DE
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Hartly, DE

Average snowfall days in July - Hartly, DE
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.5 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
Hartly, DE

Average daylight in July / Average sunshine in July - Hartly, DE
  • 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 30min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in July
Hartly, DE

Average sunshine days in July - Hartly, DE
  • Average sunshine days in July: 9.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in July
Hartly, DE

Average UV index in July - Hartly, DE
  • Average UV index in July: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July
Hartly, DE

Average cloud cover in July - Hartly, DE
  • Average cloud cover in July: 29

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in July
Hartly, DE

Average visibility in July - Hartly, DE
  • Average visibility in July: 6mi

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

Hartly, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location