Expand
Contents
- The best time to visit Cobb Island
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average sea temperature
- Average daylight
The best time to visit Cobb Island
August is the best period for swimming and other water activities in Cobb Island, Maryland, as the ocean temperature is 78.4°F (25.8°C)
Weather in January
In January, the average ocean temperature in Cobb Island, Maryland, is 48.9°F (9.4°C). Note: Caution: 48.9°F (9.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing. Weather in January »
Weather in February
With an average ocean temperature of 47.1°F (8.4°C), February is the month with the coldest seawater in Cobb Island, Maryland. Note: Without suitable protection, venturing into 47.1°F (8.4°C) waters cooler than 50°F (10°C) can lead to pronounced cold shock and rapid breaths. Weather in February »
Weather in March
In Cobb Island, Maryland, the average seawater temperature in March is 48.2°F (9°C). Note: You can swim in 48.2°F (9°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in March »
Weather in April
In Cobb Island, Maryland, the average seawater temperature in April is 53.4°F (11.9°C). Note: Beware when you're in 53.4°F (11.9°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in April »
Weather in May
In Cobb Island, Maryland, in May, the average water temperature is 59.2°F (15.1°C). Note: Most individuals do not find swimming at 59.2°F (15.1°C) to be enjoyable. Weather in May »
Weather in June
In Cobb Island, Maryland, the average seawater temperature in June is 70.3°F (21.3°C). Note: Most people do not enjoy swimming in water that is 70.3°F (21.3°C). Weather in June »
Weather in July
In Cobb Island, Maryland, in July, the average water temperature is 76.8°F (24.9°C). Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 76.8°F (24.9°C) waters. Weather in July »
Weather in August
An excellent water temperature of 78.4°F (25.8°C) makes August in Cobb Island, Maryland, a prime for swimming and other water activities. The month with the warmest seawater is August, with an average ocean temperature of 78.4°F (25.8°C). Note: Surface water temperatures ranging from 77°F (25°C) to 84.2°F (29°C) are considered superb and highly pleasant for water activities over extended periods. Weather in August »
Weather in September
In Cobb Island, Maryland, the average seawater temperature in September is 74.8°F (23.8°C). Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 74.8°F (23.8°C). Weather in September »
Weather in October
In October, the average ocean temperature in Cobb Island, Maryland, is 68.2°F (20.1°C). Note: For the majority, swimming in water with a temperature of 68.2°F (20.1°C) is not enjoyable. Weather in October »
Weather in November
In Cobb Island, Maryland, the average seawater temperature in November is 59.5°F (15.3°C). Note: For most, swimming in 59.5°F (15.3°C) is not an enjoyable activity. Weather in November »
Weather in December
In Cobb Island, Maryland, the average seawater temperature in December is 53.4°F (11.9°C). Note: Dipping in 53.4°F (11.9°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in December »
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the ocean coldest?
With an average ocean temperature of 47.1°F (8.4°C), February is the month with the coldest seawater.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Cobb Island, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When are the longest days?
June has the longest days of the year, with an average of 14h and 48min of daylight.
When is the ocean warmest?
The month with the warmest seawater is August, with an average ocean temperature of 78.4°F (25.8°C).
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average sea temperature
Cobb Island, MD
The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).
Average daylight
Cobb Island, MD
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
Cobb Island, Maryland, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location