July weather forecast
Colwyn, PA

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Weather in July

July in Colwyn, Pennsylvania, is a tropical summer month, with an average temperature varying between 68.5°F (20.3°C) and 86°F (30°C).

Temperature

July, with its average high-temperature of 86°F (30°C) and an average low-temperature of 68.5°F (20.3°C), holds the record as the warmest month.

Heat index

The heat index for July is calculated to be a very hot 96.8°F (36°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Colwyn, the average relative humidity in July is 73%.

Rainfall

In Colwyn, Pennsylvania, in July, it is raining for 16.9 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day is 14h and 40min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:33 pm. On the last day of July, sunrise is at 5:59 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index in Colwyn are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What part of the year is the hottest in Colwyn?

Colwyn's temperatures peak on average in July, reaching 86°F (30°C) at their highest and 68.5°F (20.3°C) at their lowest.

Is it hot in Colwyn during July?

An average high-temperature, in July, in Colwyn, is 86°F (30°C) and the average low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in July is calculated to be 96.8°F (36°C).

What is the average humidity in July in Colwyn?

In July, the average relative humidity is 73%.

How many days does it rain in July in Colwyn?

In July, in Colwyn, the rain falls for 16.9 days. Throughout July, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Colwyn?

May through October are months without snowfall.

How many hours of daylight does Colwyn have in July?

In July, the average day length in Colwyn, Pennsylvania, is 14h and 40min.

What time are sunrise and sunset in July in Colwyn?

On the first day of July in Colwyn, Pennsylvania, sunrise is at 5:36 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 8:15 pm EDT.

What month has the most sunshine in Colwyn?

July has the most sunshine of the year in Colwyn, Pennsylvania, with an average of 10.7h of sunshine.

How long on average sun shines in July in Colwyn?

In July, the average sunshine duration in Colwyn, Pennsylvania, is 10.7h.

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

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

How high is the UV index in July in Colwyn?

In Colwyn, Pennsylvania, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Colwyn, PA

Average temperature in July - Colwyn, PA
  • Average high temperature in July: 86°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in July: 68.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in July
Colwyn, PA

Average pressure in July - Colwyn, PA
  • 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
Colwyn, PA

Average wind speed in July - Colwyn, PA
  • Average wind speed in July: 5.7mph

The windiest months (with the highest average wind speed) are February, March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Colwyn, PA

Average humidity in July - Colwyn, PA
  • Average humidity in July: 73%

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in July
Colwyn, PA

Average rainfall in July - Colwyn, PA
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in July
Colwyn, PA

Average rainfall days in July - Colwyn, PA
  • Average rainfall days in July: 16.9 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in July
Colwyn, PA

Average snowfall in July - Colwyn, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Colwyn, PA

Average snowfall days in July - Colwyn, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (3.3 days).
The 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
Colwyn, PA

Average daylight in July / Average sunshine in July - Colwyn, PA
  • Average daylight in July: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in July
Colwyn, PA

Average sunshine days in July - Colwyn, PA
  • Average sunshine days in July: 12.1 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in July
Colwyn, PA

Average UV index in July - Colwyn, PA
  • 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
Colwyn, PA

Average cloud cover in July - Colwyn, PA
  • Average cloud cover in July: 30

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

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Average visibility in July
Colwyn, PA

Average visibility in July - Colwyn, PA
  • 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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Colwyn, Pennsylvania, USA

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