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

June weather forecast and climate
Charlestown, MD

Ocean temperature

In Charlestown, Maryland, the average seawater temperature in June is 66.6°F (19.2°C).
Note: For swimming, a surface water temperature of 66.6°F (19.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

With an average of 14.9h of daylight, June has the longest days of the year in Charlestown.

What is the ocean temperature in June in Charlestown?

In Charlestown, Maryland, in June, the average water temperature is 66.6°F (19.2°C). For swimming, a surface water temperature of 66.6°F (19.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

When are the longest days in Charlestown?

With an average of 14.9h of daylight, June has the longest days of the year.

What is the average length of the day in June in Charlestown?

In Charlestown, the average length of the day in June is 14.9h.
Average sea temperature in June - Charlestown, MD
  • Average sea temperature in June: 66.6°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).

Average daylight in June - Charlestown, MD
  • Average daylight in June: 14.9h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.4h).