Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The month of July, characterized by an average high of 84.6°F (29.2°C) and a low of 70.3°F (21.3°C), is recognized as the warmest.Heat index
The average heat index in July is estimated at a torrid 95°F (35°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In Preston, the average relative humidity in July is 78%.Rainfall
The wettest months in Preston are July and August, with an average 2.01" (51mm) of rainfall.Snowfall
In Preston, snow does not fall in April, June through October.Daylight
The average length of the day in July is 14h and 34min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:32 pm. On the last day of July, in Preston, sunrise is at 6:04 am and sunset at 8:15 pm EDT.
Sunshine
With an average of 10.9h of sunshine, July has the most sunshine of the year.UV index
The months with the highest UV index in Preston, Maryland, 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 unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 6 in July translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the warmest month in Preston?
Is it hot in Preston during July?
What is the average humidity in July in Preston?
What is the wettest month in Preston?
How many days does it rain in July in Preston?
When it does not snow in Preston?
What is the average length of the day in July in Preston?
When are sunrise and sunset in July in Preston?
What month has the most sunshine in Preston?
How many hours of sunshine does Preston have in July?
When is the highest UV index in Preston?
How high is the UV index in July in Preston?
Average temperature in July
Preston, MD
- Average high temperature in July: 84.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in July: 70.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in July
Preston, 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).
Average wind speed in July
Preston, MD
- Average wind speed in July: 6.3mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in July
Preston, MD
- Average humidity in July: 78%
The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in July
Preston, MD
- Average rainfall in July: 2.01"
The wettest months (with the highest rainfall) are July and August (2.01").
The driest months (with the least rainfall) are January and September (0.94").
Average rainfall days in July
Preston, MD
- Average rainfall days in July: 16.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in July
Preston, MD
- Average snowfall in July: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in July
Preston, MD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Preston, MD
- Average daylight in July: 14h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in July
Preston, MD
- Average sunshine days in July: 11.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in July
Preston, 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, November and December (UV index 2).
Average cloud cover in July
Preston, MD
- Average cloud cover in July: 28
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in July
Preston, 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).
Preston, Maryland, USA
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