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 warmest period tends to be July, when average temperatures fluctuate between a high of 86.9°F (30.5°C) and a low of 67.6°F (19.8°C).Heat index
During July, the heat index is appraised at a sweltering 98.6°F (37°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
July is the least humid month in Derwood, with an average relative humidity of 72%.Rainfall
In Derwood, during July, the rain falls for 16.8 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
In Derwood, snow does not fall in June through October.Daylight
The average length of the day in July is 14h and 36min.On the first day of July, sunrise is at 5:46 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:21 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 in Derwood. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in July translates into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What month is the hottest in Derwood?
Is it hot in Derwood during July?
What is the least humid month in Derwood?
What is the average humidity in July in Derwood?
How much does it rain in Derwood in July?
When it does not snow in Derwood?
What is the average length of the day in July in Derwood?
What time are sunrise and sunset in July in Derwood?
What month has the most sunshine in Derwood?
How long on average sun shines in July in Derwood?
When is the highest UV index in Derwood?
What is the UV index intensity in July in Derwood?
Average temperature in July
Derwood, MD
- Average high temperature in July: 86.9°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in July: 67.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in July
Derwood, 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 (29.95"Hg).
Average wind speed in July
Derwood, MD
- Average wind speed in July: 5mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in July
Derwood, MD
- Average humidity in July: 72%
The months with the highest relative humidity are May, October and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in July
Derwood, MD
- Average rainfall in July: 3.07"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in July
Derwood, MD
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in July
Derwood, MD
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in July
Derwood, MD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Derwood, 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
Derwood, MD
- Average sunshine days in July: 11.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in July
Derwood, 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
Derwood, 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
Derwood, MD
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Derwood, Maryland, USA
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