July weather forecast and climate
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
July, the same as June, is a moderately hot summer month in Annapolis, Maryland, with average temperature ranging between min 72°F (22.2°C) and max 84.7°F (29.3°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 estimated at a hot 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 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, metabolic differences). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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

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

Rainfall

In Annapolis, Maryland, it is raining for 14.3 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, in Annapolis, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Annapolis.

Ocean temperature

In Annapolis, the average seawater temperature is 76.1°F (24.5°C).
Note: 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. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

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

Sunshine

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

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 the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in Annapolis?

July is the warmest month in Annapolis, 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 Annapolis, in July, 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', 'feels like'), that combines relative humidity and air temperature, in July is evaluated at 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 many days does it rain in July in Annapolis?

In July, in Annapolis, the rain falls for 14.3 days. Throughout July, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Annapolis?

April through October are months without snowfall in Annapolis, Maryland.

What is the water temperature in July in Annapolis?

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?

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

What month has the most sunshine in Annapolis?

July has the most sunshine of the year in Annapolis, 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.

When is the highest UV index in Annapolis?

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

What is the UV index intensity in July in Annapolis?

In July, the average daily maximum UV index in Annapolis, Maryland, is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to the Sun's UV rays.
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: 29.96"

The month with the highest atmospheric pressure is November (30.13").
The month with the lowest atmospheric pressure is June (29.94").

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: 74%

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

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: 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).

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

The month with the highest snowfall is January (0.67").
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: 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).

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: 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).

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: 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).

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).

Average visibility in July - Annapolis, MD
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).