October 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

Weather in October

October, the same as September, is another enjoyable autumn month in Annapolis, Maryland, with average temperature fluctuating between 66.2°F (19°C) and 54.5°F (12.5°C).

Temperature

In Annapolis, Maryland, the average high-temperature decreases, from a warm 77°F (25°C) in September, to an enjoyable 66.2°F (19°C). In Annapolis, the average low-temperature is 54.5°F (12.5°C).

Humidity

In October, the average relative humidity is 75%.

Rainfall

In Annapolis, Maryland, in October, it is raining for 8.8 days, with typically 0.87" (22mm) of accumulated precipitation. 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 October, the average ocean temperature in Annapolis 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

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

Sunshine

The average sunshine in Annapolis, Maryland, is 5.7h.

UV index

The average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in October transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in October in Annapolis?

In October, the average high-temperature is 66.2°F (19°C), and the average low-temperature is 54.5°F (12.5°C).

What is the average humidity in October in Annapolis?

In October, the average relative humidity in Annapolis, Maryland, is 75%.

How many days does it rain in October in Annapolis?

In Annapolis, during October, the rain falls for 8.8 days and regularly aggregates up to 0.87" (22mm) of precipitation.

Does it snow in Annapolis in October?

In Annapolis, Maryland, in October, it doesn't snow. In November, it regularly snows.

When it does not snow in Annapolis?

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

What is the ocean temperature in October in Annapolis?

In October, the average ocean temperature in Annapolis 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?

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

How many hours of sunshine does Annapolis have in October?

In October, the average sunshine in Annapolis is 5.7h.

What is the UV index intensity in October in Annapolis?

The average daily maximum UV index in October in Annapolis is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in October
Annapolis, MD

Average temperature in October - Annapolis, MD
  • Average high temperature in October: 66.2°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 October: 54.5°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 October
Annapolis, MD

Average pressure in October - Annapolis, MD
  • Average pressure in October: 30.03"

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

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Average wind speed in October
Annapolis, MD

Average wind speed in October - Annapolis, MD
  • Average wind speed in October: 9mph

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 October
Annapolis, MD

Average humidity in October - Annapolis, MD
  • Average humidity in October: 75%

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 October
Annapolis, MD

Average rainfall in October - Annapolis, MD
  • Average rainfall in October: 0.87"

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 October
Annapolis, MD

Average rainfall days in October - Annapolis, MD
  • Average rainfall days in October: 8.8 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 October
Annapolis, MD

Average snowfall in October - Annapolis, MD
  • Average snowfall in October: 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").

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Average snowfall days in October
Annapolis, MD

Average snowfall days in October - Annapolis, MD
  • Average snowfall days in October: 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 October
Annapolis, MD

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).

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Average daylight in October /
Average sunshine in October
Annapolis, MD

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 the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in October: 5.7h

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 October
Annapolis, MD

Average sunshine days in October - Annapolis, MD
  • Average sunshine days in October: 20 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 October
Annapolis, MD

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

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 October
Annapolis, MD

Average cloud cover in October - Annapolis, MD
  • Average cloud cover in October: 37

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 October
Annapolis, MD

Average visibility in October - Annapolis, MD
  • Average visibility in October: 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).

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