July weather forecast and climate
Riverview, DE

Weather in July

July, the same as June, is a moderately hot summer month in Riverview, Delaware, with average temperature varying between 69.8°F (21°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 69.8°F (21°C).

Heat index

In July, the average heat index is estimated at a hot 93.7°F (34.3°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 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like wind, differences in body mass, height, and shape, pregnancy, and activity influence one's weather impression. 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

The average relative humidity in July is 78%.

Rainfall

In Riverview, during July, the rain falls for 18.8 days and regularly aggregates up to 3.86" (98mm) of precipitation. In Riverview, during the entire year, the rain falls for 167.5 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

The month with the most sunshine in Riverview is July, with an average of 10.6h of sunshine.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the average person.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for 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.
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FAQ

What is the warmest month in Riverview?

The warmest month in Riverview is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 69.8°F (21°C).

What is the temperature in July in Riverview?

The average high-temperature, in July, is 84.2°F (29°C), while the average low-temperature is 69.8°F (21°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, is appraised at 93.7°F (34.3°C).

What is the average humidity in July in Riverview?

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

How much does it rain in Riverview in July?

In Riverview, in July, it is raining for 18.8 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow in Riverview?

May through October are months without snowfall in Riverview, Delaware.

What is the average length of the day in July in Riverview?

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

What month has the most sunshine in Riverview?

With an average of 10.6h of sunshine, July has the most sunshine of the year in Riverview, Delaware.

How many hours of sunshine does Riverview have in July?

In July, the average sunshine in Riverview, Delaware, is 10.6h.

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

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

What is the UV index reading in July in Riverview?

In Riverview, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in July
Riverview, DE

Average temperature in July - Riverview, 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 (40.3°F).

  • Average low temperature in July: 69.8°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in July
Riverview, DE

Average pressure in July - Riverview, 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
Riverview, DE

Average wind speed in July - Riverview, DE
  • Average wind speed in July: 6.5mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in July
Riverview, DE

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

Months with the highest relative humidity are May, August and September (79%).
Months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in July
Riverview, DE

Average rainfall in July - Riverview, DE
  • Average rainfall in July: 3.86"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in July
Riverview, DE

Average rainfall days in July - Riverview, DE
  • Average rainfall days in July: 18.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in July
Riverview, DE

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

The month with the highest snowfall is January (1.93").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Riverview, DE

Average snowfall days in July - Riverview, 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 daylight in July /
Average sunshine in July
Riverview, DE

Average daylight in July / Average sunshine in July - Riverview, 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: 10.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in July
Riverview, DE

Average sunshine days in July - Riverview, DE
  • Average sunshine days in July: 9.7 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in July
Riverview, DE

Average UV index in July - Riverview, 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
Riverview, DE

Average cloud cover in July - Riverview, DE
  • Average cloud cover in July: 30

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in July
Riverview, DE

Average visibility in July - Riverview, 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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