July weather forecast
Annapolis, MD

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The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
The Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome

Weather in July

In Annapolis, July owns the title of the hottest month. The heat of the mid-Atlantic summer is felt in full force, with top temperatures reaching as high as 84.7°F (29.3°C). Beaches and pools take center stage as residents and visitors seek relief from the heat. Despite being the warmest, July is also among the driest months. The city basks in ample sunshine during this time.

Temperature

Temperature readings reach their annual highs in July, averaging 84.7°F (29.3°C) and a minimum average of 72°F (22.2°C).

Heat index

In July, the heat index is evaluated at a hot 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In July, the average relative humidity is 74%.

Rainfall

In Annapolis, in July, during 14.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Annapolis, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

April through October are months without snowfall.

Ocean temperature

In July, the average ocean temperature is 76.1°F (24.5°C).
Note: While a person's sensitivity to cold is personal, factors like sunshine, wind, and the temperature can influence their comfort in 76.1°F (24.5°C) waters. Olympians, for perspective, swim in waters between 77°F (25°C) and 82.4°F (28°C).

Daylight

The average length of the day in July is 14h and 35min.
On the first day of July, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:18 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. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Caution! The Sun's UV rays become stronger due to reflections from water and sand.

Frequently asked questions

What month is the hottest?

July stands out as Annapolis's warmest month, with an average high-temperature of 84.7°F (29.3°C) and a low-temperature of 72°F (22.2°C).

How hot is it in July?

July temperatures vary between a high-temperature of 84.7°F (29.3°C) and a low-temperature of 72°F (22.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the average humidity in July?

In Annapolis, the average relative humidity in July is 74%.

How much does it rain in July?

In Annapolis, in July, it is raining for 14.3 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How warm is the water in July?

In Annapolis, in July, the average water temperature is 76.1°F (24.5°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.1°F (24.5°C) water.

What is the average length of the day in July?

In Annapolis, the average day length in July is 14h and 35min.

When is the sunrise / sunset in July?

On the first day of July, sunrise is at 5:44 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:18 pm EDT.

What month has the most sunshine in Annapolis?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Annapolis have in July?

The average sunshine duration in July is 10.8h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
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
Annapolis, MD

Average temperature in July - Annapolis, MD
  • Average high temperature in July: 84.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in July: 72°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in July
Annapolis, MD

Average pressure in July - Annapolis, 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
Annapolis, MD

Average wind speed in July - Annapolis, MD
  • Average wind speed in July: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in July
Annapolis, MD

Average humidity in July - Annapolis, MD
  • Average humidity in July: 74%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in July
Annapolis, MD

Average rainfall in July - Annapolis, MD
  • Average rainfall in July: 1.54"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in July
Annapolis, MD

Average rainfall days in July - Annapolis, MD
  • Average rainfall days in July: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in July
Annapolis, MD

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

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Annapolis, MD

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July
Annapolis, MD

Average sea temperature in July - Annapolis, MD
  • Average sea temperature in July: 76.1°F

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

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

Average daylight in July / Average sunshine in July - Annapolis, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in July
Annapolis, MD

Average sunshine days in July - Annapolis, MD
  • Average sunshine days in July: 13.9 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in July
Annapolis, MD

Average UV index in July - Annapolis, 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 and December (UV index 2).

Average cloud cover in July
Annapolis, MD

Average cloud cover in July - Annapolis, MD
  • Average cloud cover in July: 28

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in July
Annapolis, MD

Average visibility in July - Annapolis, 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).

Annapolis, Maryland, USA

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