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
O'Donnell witnesses the warmest weather in July, with temperatures averaging a high of 85.8°F (29.9°C) and a low of 68.9°F (20.5°C).Heat index
The heat index value during July is evaluated at a very hot 95°F (35°C). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.Observations indicate that the heat index values are for shady locations with light wind. 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 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
April and July, with an average relative humidity of 72%, are the least humid months in O'Donnell.Rainfall
In O'Donnell, in July, it is raining for 17.3 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, in O'Donnell, there are 157.1 rainfall days, and 29.02" (737mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in O'Donnell.Daylight
In O'Donnell, the average length of the day in July is 14h and 37min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:37 pm. On the last day of July, in O'Donnell, sunrise is at 6:07 am and sunset at 8:20 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index in O'Donnell. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.Note: In July, the maximum UV index of 6 suggests this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What time of the year is the hottest in O'Donnell?
Is it hot in O'Donnell during July?
What are the least humid months in O'Donnell?
What is the average humidity in July in O'Donnell?
How much does it rain in O'Donnell in July?
When it does not snow in O'Donnell?
How many hours of daylight does O'Donnell have in July?
What time are sunrise and sunset in July in O'Donnell?
What month has the most sunshine in O'Donnell?
How many hours of sunshine does O'Donnell have in July?
What is the month with the highest UV index in O'Donnell?
How high is the UV index in July in O'Donnell?
Average temperature in July
O'Donnell, 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 (25.9°F).
Average pressure in July
O'Donnell, 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).
Average wind speed in July
O'Donnell, 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).
Average humidity in July
O'Donnell, MD
- Average humidity in July: 72%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in July
O'Donnell, MD
- Average rainfall in July: 3.46"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.22").
Average rainfall days in July
O'Donnell, MD
- Average rainfall days in July: 17.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in July
O'Donnell, 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").
Average snowfall days in July
O'Donnell, 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).
Average daylight in July /
Average sunshine in July
O'Donnell, 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, February and December (Average sunshine: 5h and 6min).
Average sunshine days in July
O'Donnell, MD
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in July
O'Donnell, 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).
Average cloud cover in July
O'Donnell, MD
- Average cloud cover in July: 30
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in July
O'Donnell, 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).
O'Donnell, Maryland, USA
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