July weather forecast and climate
Delaware City, DE

Weather in July

July, the same as June, is a moderately hot summer month in Delaware City, Delaware, with average temperature ranging between max 84.7°F (29.3°C) and min 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

The average heat index is calculated to be 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. 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', 'feels like', 'apparent temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in Delaware City is 76%.

Rainfall

In Delaware City, Delaware, in July, during 16.1 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Delaware City, there are 145.9 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

Snowfall

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

Ocean temperature

In July, the average ocean temperature 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

The average length of the day in July is 14.6h.

Sunshine

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

UV index

Months with the highest UV index in Delaware City are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 68.4°F (20.2°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 94.5°F (34.7°C).

What is the average humidity in July in Delaware City?

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

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

In Delaware City, in July, it is raining for 16.1 days, with typically 2.72" (69mm) of accumulated precipitation.

When it does not snow in Delaware City?

May through October are months without snowfall.

How warm is the water in July in Delaware City?

In July, the average ocean temperature 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.

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

The average length of the day in July in Delaware City is 14.6h.

What month has the most sunshine in Delaware City?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

How long on average sun shines in July in Delaware City?

In Delaware City, the average sunshine in July is 10.7h.

What are the months with the highest UV index in Delaware City?

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

How high is the UV index in July in Delaware City?

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

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"

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

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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").
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).
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: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 10.7h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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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

Months with the highest UV index are May, June, July and August (UV index 6).
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

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

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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