July weather forecast
Keysville, MD

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Weather in July

July, the same as June, is another warm summer month in Keysville, Maryland, with an average temperature ranging between max 84°F (28.9°C) and min 64.6°F (18.1°C).

Temperature

July, marked by an average high-temperature of 84°F (28.9°C) and a low-temperature of 64.6°F (18.1°C), is the warmest month.

Heat index

The heat index for July is computed to be a tropical 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In Keysville, Maryland, the average relative humidity in July is 76%.

Rainfall

In Keysville, Maryland, during July, the rain falls for 17.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 39min.
On the first day of July, sunrise is at 5:45 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:22 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July is Keysville's warmest month, registering average high temperatures of 84°F (28.9°C) and lows of 64.6°F (18.1°C).

How hot is it in July?

The average high-temperature, in July, in Keysville, is 84°F (28.9°C), while the average low-temperature is 64.6°F (18.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 93.2°F (34°C).

What is the average humidity in July?

In Keysville, the average relative humidity in July is 76%.

How many days does it rain in July?

In July, the rain falls for 17.1 days. Throughout July, 2.91" (74mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 39min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:45 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:22 pm EDT.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

How long on average sun shines in July?

In Keysville, the average sunshine duration in July is 10.6h.

What is the month with the highest UV index?

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

What is the UV index reading in July in Keysville?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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
Keysville, MD

Average temperature in July - Keysville, MD
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in July: 64.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in July
Keysville, MD

Average pressure in July - Keysville, 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
Keysville, MD

Average wind speed in July - Keysville, MD
  • Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in July
Keysville, MD

Average humidity in July - Keysville, MD
  • Average humidity in July: 76%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in July
Keysville, MD

Average rainfall in July - Keysville, MD
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in July
Keysville, MD

Average rainfall days in July - Keysville, MD
  • Average rainfall days in July: 17.1 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in July
Keysville, MD

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

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

Average snowfall days in July
Keysville, MD

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

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Keysville, MD

Average daylight in July / Average sunshine in July - Keysville, 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 24min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Keysville, MD

Average sunshine days in July - Keysville, MD
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in July
Keysville, MD

Average UV index in July - Keysville, 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
Keysville, MD

Average cloud cover in July - Keysville, MD
  • Average cloud cover in July: 31

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in July
Keysville, MD

Average visibility in July - Keysville, 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).

Keysville, Maryland, USA

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