July weather forecast
Winterthur, DE

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Weather in July

July, like June, in Winterthur, Delaware, is a moderately hot summer month, with an average temperature varying between 68.4°F (20.2°C) and 84.9°F (29.4°C).

Temperature

July, noted for its average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68.4°F (20.2°C), is considered the warmest month.

Heat index

Throughout July, the heat index is evaluated at a hot 93.2°F (34°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

The average relative humidity in July is 74%.

Rainfall

In Winterthur, Delaware, during July, the rain falls for 18.5 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Winterthur, during the entire year, the rain falls for 168.9 days and collects up to 35.55" (903mm) of precipitation.

Snowfall

In Winterthur, snow does not fall in June through September.

Daylight

In Winterthur, the average length of the day in July is 14h and 40min.
On the first day of July, sunrise is at 5:38 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:16 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Winterthur are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the warmest month in Winterthur?

July is the month when Winterthur, Delaware, experiences its warmest temperatures, averaging a high of 84.9°F (29.4°C) and a low of 68.4°F (20.2°C).

How hot is July in Winterthur?

An average high-temperature, in July, in Winterthur, is 84.9°F (29.4°C) and the average low-temperature is 68.4°F (20.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in July in Winterthur?

The average relative humidity in July in Winterthur is 74%.

How many days does it rain in July in Winterthur?

In Winterthur, in July, during 18.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated.

When it does not snow in Winterthur?

June through September are months without snowfall in Winterthur.

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

The average day length in July is 14h and 40min.

When is the sunrise / sunset in July in Winterthur?

On the first day of July, sunrise is at 5:38 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:16 pm EDT.

What month has the most sunshine in Winterthur?

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

How many hours of sunshine does Winterthur have in July?

In Winterthur, the average sunshine duration in July is 10.6h.

When is the highest UV index in Winterthur?

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

How high is the UV index in July in Winterthur?

In July, the average daily maximum UV index in Winterthur, Delaware, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Winterthur, DE

Average temperature in July - Winterthur, DE
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in July: 68.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in July
Winterthur, DE

Average pressure in July - Winterthur, 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
Winterthur, DE

Average wind speed in July - Winterthur, DE
  • Average wind speed in July: 5.5mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Winterthur, DE

Average humidity in July - Winterthur, DE
  • Average humidity in July: 74%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in July
Winterthur, DE

Average rainfall in July - Winterthur, DE
  • Average rainfall in July: 3.58"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

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Average rainfall days in July
Winterthur, DE

Average rainfall days in July - Winterthur, DE
  • Average rainfall days in July: 18.5 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in July
Winterthur, DE

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

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Winterthur, DE

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

The month with the highest number of snowfall days is January (6.8 days).
The 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
Winterthur, DE

Average daylight in July / Average sunshine in July - Winterthur, DE
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in July
Winterthur, DE

Average sunshine days in July - Winterthur, DE
  • Average sunshine days in July: 9.8 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

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Average UV index in July
Winterthur, DE

Average UV index in July - Winterthur, 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, February, November and December (UV index 2).

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Average cloud cover in July
Winterthur, DE

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

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

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Average visibility in July
Winterthur, DE

Average visibility in July - Winterthur, 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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Winterthur, Delaware, USA

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