July weather forecast
Delaware City, DE

Weather in July

July, the same as June, is another warm summer month in Delaware City, Delaware, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 68.4°F (20.2°C).

Temperature

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 68.4°F (20.2°C).

Heat index

In July, the average heat index is evaluated at a hot 94.5°F (34.7°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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.

Humidity

In July, the average relative humidity is 76%.

Rainfall

In Delaware City, Delaware, during July, the rain falls for 16.1 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Delaware City, during the entire year, the rain falls for 145.9 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

In Delaware City, Delaware, snow does not fall in May through October.

Ocean temperature

In July, the average ocean temperature in Delaware City, Delaware, is 74.3°F (23.5°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 74.3°F (23.5°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Delaware City, the average length of the day in July is 14h and 38min.
On the first day of the month, sunrise is at 5:38 am and sunset at 8:33 pm. On the last day of July, sunrise is at 6:01 am and sunset at 8:16 pm EDT.

Sunshine

With an average of 10.7h 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 reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Delaware City?

With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 68.4°F (20.2°C), July is the warmest month in Delaware City, Delaware.

What is the temperature in July in Delaware City?

In July, in Delaware City, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 68.4°F (20.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in July is evaluated at 94.5°F (34.7°C).

What is the average humidity in July in Delaware City?

The average relative humidity in July in Delaware City, Delaware, is 76%.

How many days does it rain in July in Delaware City?

In Delaware City, Delaware, during July, the rain falls for 16.1 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When it does not snow in Delaware City?

In Delaware City, snow does not fall in May through October.

What is the water temperature in July in Delaware City?

In Delaware City, Delaware, the average seawater temperature in July is 74.3°F (23.5°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.3°F (23.5°C) water may be enjoyable.

What is the average length of the day in July in Delaware City?

The average day length in July in Delaware City is 14h and 38min.

What time are sunrise and sunset in July in Delaware City?

In July, on the first day of the month, sunrise is at 5:38 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:16 pm EDT.

What month has the most sunshine in Delaware City?

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

How many hours of sunshine does Delaware City have in July?

The average sunshine duration in July in Delaware City is 10.7h.

When is the highest UV index in Delaware City?

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

What is the UV index intensity in July in Delaware City?

In July, the average daily maximum UV index in Delaware City is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Delaware City, DE

Average temperature in July - Delaware City, DE
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in July: 68.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in July
Delaware City, DE

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Delaware City, DE

Average wind speed in July - Delaware City, DE
  • Average wind speed in July: 5.7mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Delaware City, DE

Average humidity in July - Delaware City, DE
  • Average humidity in July: 76%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in July
Delaware City, DE

Average rainfall in July - Delaware City, DE
  • Average rainfall in July: 2.72"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.54").

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Average rainfall days in July
Delaware City, DE

Average rainfall days in July - Delaware City, DE
  • Average rainfall days in July: 16.1 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in July
Delaware City, DE

Average snowfall in July - Delaware City, DE
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Delaware City, DE

Average snowfall days in July - Delaware City, DE
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in July
Delaware City, DE

Average sea temperature in July - Delaware City, DE
  • Average sea temperature in July: 74.4°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).

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Average daylight in July /
Average sunshine in July
Delaware City, DE

Average daylight in July / Average sunshine in July - Delaware City, DE
  • Average daylight in July: 14h and 38min

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

  • Average sunshine in July: 10h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in July
Delaware City, DE

Average sunshine days in July - Delaware City, DE
  • Average sunshine days in July: 12 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in July
Delaware City, DE

Average UV index in July - Delaware City, 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, February, November and December (UV index 2).

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Average cloud cover in July
Delaware City, DE

Average cloud cover in July - Delaware City, DE
  • Average cloud cover in July: 30

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in July
Delaware City, DE

Average visibility in July - Delaware City, 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).

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