Annapolis
Maryland, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Annapolis, MD

A view of Chesapeake Bay at dusk, in Annapolis, Maryland, with a distant view of the US Naval Academy chapel dome
A view of 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 varying between 71.2°F (21.8°C) and 85.8°F (29.9°C).

Temperature

July is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 71.2°F (21.8°C).

Rainfall

In Annapolis, Maryland, during July, the rain falls for 10.3 days and regularly aggregates up to 4.6" (115.8mm) of precipitation. Throughout the year, there are 115.1 rainfall days, and 47.3" (1200.7mm) of precipitation is accumulated.

Ocean temperature

In Annapolis, Maryland, 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. (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

June through August, with an average of 9h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Annapolis are June and July, with an average maximum UV index of 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 9 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Annapolis?

July is the warmest month in Annapolis, Maryland, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 71.2°F (21.8°C).

What is the temperature in July in Annapolis?

In July, in Annapolis, the average high-temperature is 85.8°F (29.9°C), and the average low-temperature is 71.2°F (21.8°C).

How many days does it rain in July in Annapolis?

In July, in Annapolis, the rain falls for 10.3 days. Throughout July, 4.6" (115.8mm) of precipitation is accumulated.

What is the ocean temperature 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 Annapolis, the average length of the day in July is 14.6h.

What are the months with the most sunshine in Annapolis?

June through August, with an average of 9h of sunshine, are months with the most sunshine in Annapolis, Maryland.

How long on average sun shines in July in Annapolis?

In July, the average sunshine in Annapolis is 9h.

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

June and July, with an average maximum UV index of 9, are months with the highest UV index in Annapolis, Maryland.

What is the UV index intensity in July in Annapolis?

In July, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in July - Annapolis, MD
  • Average high temperature in July: 85.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.7°F).

  • Average low temperature in July: 71.2°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average rainfall in July - Annapolis, MD
  • Average rainfall in July: 4.6"

The wettest month (with the highest rainfall) is September (4.8").
The driest month (with the lowest rainfall) is February (2.9").

Average rainfall days in July - Annapolis, MD
  • Average rainfall days in July: 10.3 days

Months with the highest number of rainy days are March and April (11.2 days).
Months with the lowest number of rainy days are September and October (7.8 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 shortest days is December (Average daylight: 9.5h).

  • Average sunshine in July: 9h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in July - Annapolis, MD
  • Average UV index in July: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 2).