July weather forecast and climate
Yorklyn, DE

Weather in July

July, like June, in Yorklyn, Delaware, is another warm summer month, with average temperature varying between 67.1°F (19.5°C) and 84.7°F (29.3°C).

Temperature

With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.1°F (19.5°C), July is the warmest month.

Heat index

The average heat index is calculated to 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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'real feel', 'felt air temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, differences in body mass, height, and shape, metabolic differences, 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

In July, the average relative humidity is 76%.

Rainfall

In Yorklyn, during July, the rain falls for 15.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Yorklyn, there are 135 rainfall days, and 17.76" (451mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July is 14.7h.

Sunshine

July has the most sunshine of the year in Yorklyn, with an average of 10.7h 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 the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 Yorklyn?

July is the warmest month in Yorklyn, Delaware, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 67.1°F (19.5°C).

What is the temperature in July in Yorklyn?

In July, in Yorklyn, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that factores the actual air temperature with the relative humidity, in July is estimated at 94.5°F (34.7°C).

What is the average humidity in July in Yorklyn?

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

How much does it rain in Yorklyn in July?

In Yorklyn, Delaware, in July, it is raining for 15.8 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Yorklyn?

June through October are months without snowfall.

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

In Yorklyn, the average length of the day in July is 14.7h.

What month has the most sunshine in Yorklyn?

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

How long on average sun shines in July in Yorklyn?

In July, the average sunshine is 10.7h.

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

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

How high is the UV index in July in Yorklyn?

The average daily maximum UV index in July in Yorklyn, Delaware, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
Yorklyn, DE

Average temperature in July - Yorklyn, 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 (36.9°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in July
Yorklyn, DE

Average pressure in July - Yorklyn, 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
Yorklyn, DE

Average wind speed in July - Yorklyn, DE
  • Average wind speed in July: 5.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in July
Yorklyn, DE

Average humidity in July - Yorklyn, DE
  • Average humidity in July: 76%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in July
Yorklyn, DE

Average rainfall in July - Yorklyn, DE
  • Average rainfall in July: 2.05"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is November (1.06").

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Average rainfall days in July
Yorklyn, DE

Average rainfall days in July - Yorklyn, DE
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in July
Yorklyn, DE

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

The month with the highest snowfall is March (1.5").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Yorklyn, DE

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

The month with the highest number of snowfall days is January (5.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Yorklyn, DE
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
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: 4.8h).

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Average sunshine days in July
Yorklyn, DE

Average sunshine days in July - Yorklyn, DE
  • Average sunshine days in July: 12.8 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in July
Yorklyn, DE

Average UV index in July - Yorklyn, 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
Yorklyn, DE

Average cloud cover in July - Yorklyn, DE
  • Average cloud cover in July: 31

Months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Yorklyn, DE

Average visibility in July - Yorklyn, DE
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
Months with the lowest visibility are May and September (5mi).

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