July weather forecastSelbyville, DE

July

Weather in July

In Selbyville, July arrives awaiting the crest of summer, demonstrating the year's ultimate temperatures, reaching up to 80.2°F (26.8°C). Together with the heightened temperature, humidity lingers considerably, with only nominal wind to alleviate the warmth. Nevertheless, July affords residents ample outdoor enjoyment, facilitated by nearly 14.5 hours of daylight. This month triumphs as the sunniest of the calendar, lavishing an abundance of accessible light on Selbyville. Even though similar weather persists in the subsequent month, July remains unmatched in its summer glare.

Temperature

Selbyville, Delaware, experiences its highest average temperatures in July, reaching a peak of 80.2°F (26.8°C) and a minimum of 73.4°F (23°C).

Humidity

In Selbyville, the average relative humidity in July is 79%.

Rainfall

The wettest months are July and August, with an average 2.87" (73mm) of rainfall.

Snowfall

In Selbyville, Delaware, snow does not fall in April through October.

Daylight

The average length of the day in July in Selbyville is 14h and 32min.
On the first day of July, sunrise is at 5:40 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:11 pm EDT.

Sunshine

With an average of 10.9h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Selbyville's temperature records reveal July as the warmest month, marked by average highs of 80.2°F (26.8°C) and lows of 73.4°F (23°C).

In Selbyville, in July, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 73.4°F (23°C).

The average relative humidity in July is 79%.

The wettest months are July and August, with an average 2.87" (73mm) of rainfall.

In Selbyville, Delaware, in July, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

In Selbyville, snow does not fall in April through October.

In July, the average day length in Selbyville is 14h and 32min.

On the first day of July in Selbyville, Delaware, sunrise is at 5:40 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:11 pm EDT.

With an average of 10.9h of sunshine, July has the most sunshine of the year in Selbyville.

The average sunshine duration in July is 10.9h.

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

The average daily maximum UV index in July in Selbyville is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Selbyville, DE

  • Average high temperature in July: 80.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in July: 73.4°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

Average pressure in July
Selbyville, 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
Selbyville, DE

  • Average wind speed in July: 8.9mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity in July
Selbyville, DE

  • Average humidity in July: 79%

The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in July
Selbyville, DE

  • Average rainfall in July: 2.87"

The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").

Average rainfall days in July
Selbyville, DE

  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in July
Selbyville, DE

  • Average snowfall in July: 0"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Selbyville, DE

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (2.6 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
Selbyville, DE

  • Average daylight in July: 14h and 30min

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 30min).

  • Average sunshine in July: 10h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

Average sunshine days in July
Selbyville, DE

  • Average sunshine days in July: 12.9 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in July
Selbyville, 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
Selbyville, DE

  • Average cloud cover in July: 26

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in July
Selbyville, 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).