July weather forecast
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees

Weather in July

July, like June, in Dover, Delaware, is a moderately hot summer month, with an average temperature ranging between max 84.2°F (29°C) and min 70°F (21.1°C).

Temperature

The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 70°F (21.1°C).

Heat index

The average heat index in July is calculated to be a hot 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. 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', 'apparent temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, metabolic differences, wind, 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in July is 78%.

Rainfall

In July, in Dover, the rain falls for 17.6 days. Throughout July, 2.91" (74mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Dover, the average length of the day in July is 14h and 36min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:32 pm. On the last day of July, in Dover, Delaware, sunrise is at 6:01 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.8h 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation 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. 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. 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.
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FAQ

What is the warmest month in Dover?

July is the warmest month in Dover, Delaware, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 70°F (21.1°C).

What is the temperature in July in Dover?

In Dover, Delaware, in July, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 70°F (21.1°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 93.7°F (34.3°C).

What is the average humidity in July in Dover?

In July, the average relative humidity in Dover is 78%.

How much does it rain in Dover in July?

In Dover, during July, the rain falls for 17.6 days and regularly aggregates up to 2.91" (74mm) of precipitation.

When it does not snow in Dover?

In Dover, Delaware, snow does not fall in April through November.

How many hours of daylight does Dover have in July?

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

What time are sunrise and sunset in July in Dover?

In July, on the first day of the month, sunrise is at 5:39 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:15 pm EDT.

What month has the most sunshine in Dover?

July has the most sunshine of the year in Dover, Delaware, with an average of 10.8h of sunshine.

How many hours of sunshine does Dover have in July?

In July, the average sunshine duration in Dover, Delaware, is 10.8h.

When is the highest UV index in Dover?

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

How high is the UV index in July in Dover?

The average daily maximum UV index in July in Dover is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Dover, DE

Average temperature in July - Dover, DE
  • Average high temperature in July: 84.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in July: 70°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in July
Dover, DE

Average pressure in July - Dover, 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).

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Average wind speed in July
Dover, DE

Average wind speed in July - Dover, DE
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in July
Dover, DE

Average humidity in July - Dover, DE
  • Average humidity in July: 78%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in July
Dover, DE

Average rainfall in July - Dover, DE
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in July
Dover, DE

Average rainfall days in July - Dover, DE
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in July
Dover, DE

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

The month with the highest snowfall is January (1.65").
The 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
Dover, DE

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

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in July /
Average sunshine in July
Dover, DE

Average daylight in July / Average sunshine in July - Dover, DE
  • Average daylight in July: 14h and 36min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in July: 10h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in July
Dover, DE

Average sunshine days in July - Dover, DE
  • Average sunshine days in July: 10.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in July
Dover, DE

Average UV index in July - Dover, 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).

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Average cloud cover in July
Dover, DE

Average cloud cover in July - Dover, DE
  • Average cloud cover in July: 28

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in July
Dover, DE

Average visibility in July - Dover, 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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