July weather forecast
Chester, MD

Weather in July

July, the same as June, is a moderately hot summer month in Chester, Maryland, with an average temperature ranging between min 71.2°F (21.8°C) and max 84.4°F (29.1°C).

Temperature

July is the warmest month, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 71.2°F (21.8°C).

Heat index

The average heat index in July is calculated to be a tropical 93.6°F (34.2°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 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 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, metabolic differences, clothing). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in July is 76%.

Rainfall

July is the month with the most rainfall in Chester. Rain falls for 16.8 days and accumulates 3.31" (84mm) of precipitation.

Snowfall

May through October are months without snowfall in Chester.

Ocean temperature

In Chester, the average seawater temperature in July is 76.1°F (24.5°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.1°F (24.5°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in July is 14h and 35min.
On the first day of July in Chester, sunrise is at 5:43 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:17 pm EDT.

Sunshine

July has the most sunshine of the year in Chester, Maryland, with an average of 10.9h of sunshine.

UV index

The 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 exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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 the 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Chester?

The warmest month in Chester is July, with an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 71.2°F (21.8°C).

What is the temperature in July in Chester?

In Chester, in July, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 71.2°F (21.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is calculated to be 93.6°F (34.2°C).

What is the average humidity in July in Chester?

The average relative humidity in July in Chester is 76%.

What is the wettest month in Chester?

The month with the most rainfall in Chester is July, when the rain falls for 16.8 days and typically aggregates up to 3.31" (84mm) of precipitation.

How many days does it rain in July in Chester?

In Chester, in July, during 16.8 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

When it does not snow in Chester?

In Chester, snow does not fall in May through October.

How warm is the water in July in Chester?

In Chester, Maryland, the average seawater temperature in July is 76.1°F (24.5°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.1°F (24.5°C) water may be enjoyable.

How many hours of daylight does Chester have in July?

In Chester, Maryland, the average day length in July is 14h and 35min.

When are sunrise and sunset in July in Chester?

In July, on the first day of the month, sunrise is at 5:43 am and sunset at 8:34 pm. On the last day of the month, in Chester, Maryland, sunrise is at 6:05 am and sunset at 8:17 pm EDT.

What month has the most sunshine in Chester?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

How long on average sun shines in July in Chester?

In Chester, Maryland, the average sunshine duration in July is 10.9h.

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

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

What is the UV index intensity in July in Chester?

In Chester, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Chester, MD

Average temperature in July - Chester, MD
  • Average high temperature in July: 84.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in July: 71.2°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in July
Chester, MD

Average pressure in July - Chester, MD
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Chester, MD

Average wind speed in July - Chester, MD
  • Average wind speed in July: 6.6mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in July
Chester, MD

Average humidity in July - Chester, MD
  • Average humidity in July: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in July
Chester, MD

Average rainfall in July - Chester, MD
  • Average rainfall in July: 3.31"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in July
Chester, MD

Average rainfall days in July - Chester, MD
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in July
Chester, MD

Average snowfall in July - Chester, MD
  • Average snowfall in July: 0"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Chester, MD

Average snowfall days in July - Chester, MD
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in July
Chester, MD

Average sea temperature in July - Chester, MD
  • Average sea temperature in July: 76.1°F

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

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Average daylight in July /
Average sunshine in July
Chester, MD

Average daylight in July / Average sunshine in July - Chester, MD
  • Average daylight in July: 14h and 35min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in July: 10h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in July
Chester, MD

Average sunshine days in July - Chester, MD
  • Average sunshine days in July: 12.3 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in July
Chester, MD

Average UV index in July - Chester, MD
  • 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 and December (UV index 2).

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Average cloud cover in July
Chester, MD

Average cloud cover in July - Chester, MD
  • Average cloud cover in July: 28

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in July
Chester, MD

Average visibility in July - Chester, MD
  • 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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