July weather forecast
Dayton, MD

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Weather in July

July, the same as June, is a moderately hot summer month in Dayton, Maryland, with an average temperature fluctuating between 68.9°F (20.5°C) and 85.8°F (29.9°C).

Temperature

Dayton experiences its highest average temperatures in July, reaching a peak of 85.8°F (29.9°C) and a minimum of 68.9°F (20.5°C).

Heat index

In July, the heat index is estimated at a fiery hot 95°F (35°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

April and July, with an average relative humidity of 72%, are the least humid months in Dayton, Maryland.

Rainfall

In Dayton, in July, it is raining for 17.3 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, in Dayton, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Dayton, Maryland.

Daylight

In July, the average length of the day in Dayton is 14h and 37min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:38 pm. On the last day of July, sunrise is at 6:07 am and sunset at 8:20 pm EDT.

Sunshine

With an average of 10.8h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What month is the hottest in Dayton?

With its average high temperature of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C), July is regarded as the warmest month in Dayton.

How hot is July in Dayton?

The average high-temperature, in July, in Dayton, is 85.8°F (29.9°C), while the average low-temperature is 68.9°F (20.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 95°F (35°C).

What is the least humid month in Dayton?

April and July, with an average relative humidity of 72%, are the least humid months in Dayton.

What is the average humidity in July in Dayton?

The average relative humidity in July is 72%.

How much does it rain in Dayton in July?

In July, the rain falls for 17.3 days. Throughout July, 3.31" (84mm) of precipitation is accumulated.

When it does not snow in Dayton?

In Dayton, Maryland, snow does not fall in April through October.

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

The average day length in July is 14h and 37min.

What time are sunrise and sunset in July in Dayton?

On the first day of July in Dayton, sunrise is at 5:45 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:20 pm EDT.

What month has the most sunshine in Dayton?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Dayton have in July?

The average sunshine duration in July in Dayton is 10.8h.

When is the highest UV index in Dayton?

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

How high is the UV index in July in Dayton?

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

Average temperature in July - Dayton, MD
  • Average high temperature in July: 85.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in July: 68.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in July
Dayton, MD

Average pressure in July - Dayton, MD
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Dayton, MD

Average wind speed in July - Dayton, MD
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Dayton, MD

Average humidity in July - Dayton, MD
  • Average humidity in July: 72%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in July
Dayton, MD

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

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in July
Dayton, MD

Average rainfall days in July - Dayton, MD
  • Average rainfall days in July: 17.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in July
Dayton, MD

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

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in July
Dayton, MD

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

The month with the highest number of snowfall days is February (4.6 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
Dayton, MD

Average daylight in July / Average sunshine in July - Dayton, MD
  • 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 30min).

  • Average sunshine in July: 10h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

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Average sunshine days in July
Dayton, MD

Average sunshine days in July - Dayton, MD
  • Average sunshine days in July: 11.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

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Average UV index in July
Dayton, MD

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

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Average cloud cover in July
Dayton, MD

Average cloud cover in July - Dayton, MD
  • Average cloud cover in July: 29

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in July
Dayton, MD

Average visibility in July - Dayton, 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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Dayton, Maryland, USA

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