July weather forecast and climate
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, the same as June, is a moderately hot summer month in Dover, Delaware, with average temperature fluctuating between 70°F (21.1°C) and 84.2°F (29°C).

Temperature

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

Heat index

In July, the average heat index is appraised at a hot 93.7°F (34.3°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

In Dover, the average relative humidity is 78%.

Rainfall

In July, in Dover, the rain falls for 17.6 days. Throughout July, 2.91" (74mm) of precipitation is accumulated. Throughout the year, in Dover, there are 152.3 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

Snowfall

In Dover snow does not fall in April through November.

Daylight

In July, the average length of the day is 14.6h.

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 value of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.
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FAQ

What is the warmest month in Dover?

The warmest month in Dover is July, 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, 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. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in July is estimated at 93.7°F (34.3°C).

What is the average humidity in July in Dover?

The average relative humidity in July in Dover is 78%.

How many days does it rain in July in Dover?

In Dover, Delaware, in July, during 17.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Dover?

In Dover snow does not fall in April through November.

How many hours of daylight does Dover have in July?

In July, the average length of the day in Dover is 14.6h.

What month has the most sunshine in Dover?

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

How long on average sun shines in July in Dover?

In Dover, Delaware, the average sunshine in July 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, Delaware.

What is the UV index intensity 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 the exposure to the Sun's UV radiation.

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"

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

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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%).
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").
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).
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: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 10.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

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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

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

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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