July weather forecastNanjemoy, MD
July
Weather in July
July in Nanjemoy, Maryland, is a hot summer month, with an average temperature varying between 67.8°F (19.9°C) and 88.7°F (31.5°C).Temperature
July registers as the month with the highest average temperatures, reaching 88.7°F (31.5°C) at its peak and 67.8°F (19.9°C) at the lowest.Heat index
In July, the heat index is estimated at an extremely hot 104°F (40°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Heat index determinations are made taking into account the shade and light air movements. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
January, April and July, with an average relative humidity of 73%, are the least humid months.Rainfall
In Nanjemoy, in July, during 15.9 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 155.6 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In July, the average length of the day is 14h and 32min.On the first day of July, sunrise is at 5:48 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:19 pm EDT.
Sunshine
July has the most sunshine of the year, with an average of 10.5h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Nanjemoy, MD
- Average high temperature in July: 88.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in July: 67.8°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in July
Nanjemoy, 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
Nanjemoy, MD
- Average wind speed in July: 4.8mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in July
Nanjemoy, MD
- Average humidity in July: 73%
The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).
Average rainfall in July
Nanjemoy, MD
- Average rainfall in July: 3.19"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in July
Nanjemoy, MD
- Average rainfall days in July: 15.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in July
Nanjemoy, MD
- Average snowfall in July: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Nanjemoy, MD
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (4.9 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
Nanjemoy, MD
- Average daylight in July: 14h and 30min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in July
Nanjemoy, MD
- Average sunshine days in July: 12.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in July
Nanjemoy, 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
Nanjemoy, MD
- Average cloud cover in July: 32
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in July
Nanjemoy, MD
- Average visibility in July: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
