Dover
Delaware, USA
Long-term weather forecast
Long-term weather forecast

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
July, like June, in Dover, Delaware, is a moderately hot summer month, with average temperature ranging between max 84.2°F (29°C) and min 70°F (21.1°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 calculated to a tropical 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 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', 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 (metabolic differences, pregnancy, differences in body mass, height, and shape), and activity. 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

In Dover, the average relative humidity is 78%.

Rainfall

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

Daylight

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

Sunshine

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

UV index

Months with the highest UV index in Dover are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the warmest month in Dover?

The warmest month in Dover, Delaware, 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 July, in Dover, Delaware, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 70°F (21.1°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that combines relative humidity and air temperature, is estimated at 93.7°F (34.3°C).

What is the average humidity in July in Dover?

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

How many days does it rain in July in Dover?

In Dover, Delaware, 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 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, Delaware, is 14.6h.

What month has the most sunshine in Dover?

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

How long on average sun shines in July in Dover?

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

What are the months with the highest UV index in Dover?

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

What is the UV index intensity in July in Dover?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.
Average temperature in July - Dover, DE
  • Average high temperature in July: 29°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in July: 21.1°C

The month with the highest average low temperature is July (21.1°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).

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%).

Average rainfall in July - Dover, DE
  • Average rainfall in July: 74mm

The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the lowest rainfall) is January (37mm).

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 lowest number of rainy days is November (8.1 days).

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

The month with the highest snowfall is January (42mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

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 lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

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 shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 10.8h

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

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).