July weather forecast
Annapolis, MD

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

July, the same as June, is another warm summer month in Annapolis, Maryland, with average temperature fluctuating between 84.7°F (29.3°C) and 72°F (22.2°C).

Temperature

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C).

Heat index

The average heat index is computed to be a tropical 93.6°F (34.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Annapolis 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 in Annapolis.

Ocean temperature

In July, the average ocean temperature is 76.1°F (24.5°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.1°F (24.5°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In July, the average length of the day in Annapolis is 14.6h.

Sunshine

July has the most sunshine of the year in Annapolis, Maryland, 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 estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the warmest month in Annapolis?

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 72°F (22.2°C).

What is the temperature in July in Annapolis?

In July, in Annapolis, Maryland, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 72°F (22.2°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 93.6°F (34.2°C).

What is the average humidity in July in Annapolis?

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

How much does it rain in Annapolis in July?

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

When it does not snow in Annapolis?

In Annapolis snow does not fall in April through October.

How warm is the water in July in Annapolis?

In July, the average ocean temperature is 76.1°F (24.5°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.1°F (24.5°C).

What is the average length of the day in July in Annapolis?

In July, the average length of the day in Annapolis, Maryland, is 14.6h.

What month has the most sunshine in Annapolis?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

How many hours of sunshine does Annapolis have in July?

The average sunshine in July in Annapolis is 10.8h.

What are the months with the highest UV index in Annapolis?

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

What is the UV index intensity in July in Annapolis?

The average daily maximum UV index in July in Annapolis, Maryland, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in July
Annapolis, MD

Average temperature in July - Annapolis, MD
  • Average high temperature in July: 29.3°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (4.6°C).

  • Average low temperature in July: 22.2°C

The month with the highest average low temperature is July (22.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).

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Average pressure in July
Annapolis, MD

Average pressure in July - Annapolis, MD
  • Average pressure in July: 1014.7mbar

The month with the highest atmospheric pressure is November (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014mbar).

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Average wind speed in July
Annapolis, MD

Average wind speed in July - Annapolis, MD
  • Average wind speed in July: 10.6km/h

The windiest month (with the highest average wind speed) is January (16.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).

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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%).
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: 39mm

The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is January (12mm).

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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

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: 0mm

The month with the highest snowfall is January (17mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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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).
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: 24.5°C

The best month for swimming (with the highest average sea temperature) is August (25.4°C).
The coldest month (with the lowest average sea temperature) is February (7.3°C).

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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: 14.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 10.8h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

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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

Months with the highest UV index are May, June, July and August (UV index 6).
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

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: 10km

Months with the highest visibility are February, April, June, July, August, October and November (10km).
Months with the lowest visibility are January, March, May, September and December (9km).

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