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

July brings the highest temperatures, with an average high of 84.7°F (29.3°C) and an average low of 72°F (22.2°C).

Heat index

Throughout July, the heat index is evaluated at a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

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

In Annapolis, snow does not fall in April through October.

Ocean temperature

In Annapolis, in July, the average water temperature is 76.1°F (24.5°C).
Note: Individual cold sensitivities, influenced by sunshine, wind, and the ambient temperature, play a role in finding a swim in 76.1°F (24.5°C) water pleasant. (Olympic swimming events mandate water temperatures from 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in July in Annapolis 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 in Annapolis, 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 Annapolis. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

What month is the hottest in Annapolis?

The warmest period in Annapolis tends to be July, when average temperatures fluctuate between a high of 84.7°F (29.3°C) and a low of 72°F (22.2°C).

How hot is July in Annapolis?

The average high-temperature and low-temperature in Annapolis during July are 84.7°F (29.3°C) and 72°F (22.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is evaluated at 93.2°F (34°C).

What is the average humidity in July in Annapolis?

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

How many days does it rain in July in Annapolis?

In Annapolis, in July, during 14.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Annapolis?

In Annapolis, Maryland, snow does not fall in April through October.

How warm is the water in July in Annapolis?

In Annapolis, Maryland, the average seawater temperature in July 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.

How many hours of daylight does Annapolis have in July?

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

When are sunrise and sunset in July in Annapolis?

On the first day of July in Annapolis, 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 long on average sun shines in July in Annapolis?

In July, the average sunshine duration is 10.8h.

What is the month with the highest UV index in Annapolis?

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

What is the UV index reading in July in Annapolis?

The average daily maximum UV index in July in Annapolis is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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Annapolis, Maryland, USA

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