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

October 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
October, like September, in Annapolis, Maryland, is another comfortable autumn month, with average temperature varying between 66.4°F (19.1°C) and 50.5°F (10.3°C).

Temperature

In Annapolis, Maryland, the average high-temperature drops, from a moderately hot 76.8°F (24.9°C) in September, to an enjoyable 66.4°F (19.1°C). In Annapolis, the average low-temperature is 50.5°F (10.3°C).

Rainfall

In Annapolis, in October, it is raining for 7.8 days, with typically 3.9" (98.8mm) of accumulated precipitation. Throughout the year, there are 115.1 rainfall days, and 47.3" (1200.7mm) of precipitation is accumulated.

Ocean temperature

In Annapolis, in October, the average water temperature is 66.7°F (19.3°C).
Note: For most, swimming in 66.7°F (19.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in Annapolis is 11.2h.

Sunshine

In Annapolis, the average sunshine is 7h.

UV index

The average daily maximum UV index in Annapolis is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in October in Annapolis?

The average high-temperature, in October, is 66.4°F (19.1°C), while the average low-temperature is 50.5°F (10.3°C).

How many days does it rain in October in Annapolis?

In Annapolis, Maryland, in October, it is raining for 7.8 days, with typically 3.9" (98.8mm) of accumulated precipitation.

What is the ocean temperature in October in Annapolis?

In Annapolis, in October, the average water temperature is 66.7°F (19.3°C). Swimming in 66.7°F (19.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Annapolis have in October?

In Annapolis, Maryland, the average length of the day in October is 11.2h.

How many hours of sunshine does Annapolis have in October?

The average sunshine in October in Annapolis is 7h.

What is the UV index reading in October in Annapolis?

The average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in October - Annapolis, MD
  • Average high temperature in October: 66.3°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 October: 50.5°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 October - Annapolis, MD
  • Average rainfall in October: 3.9"

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 October - Annapolis, MD
  • Average rainfall days in October: 7.8 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 October - Annapolis, MD
  • Average sea temperature in October: 66.7°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 October / Average sunshine in October - Annapolis, MD
  • Average daylight in October: 11.2h

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 October: 7h

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 October - Annapolis, MD
  • Average UV index in October: 4

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).