Sea Temperature in Charlestown in May

Complete information on the sea temperature range in the Atlantic Ocean in Charlestown in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Charlestown. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Charlestown in May

46°F

MINIMUN

58°F

AVERAGE

70°F

MAXIMUM

Historical Data of Water Temperature in May in Charlestown

Water Temperature Chart for Atlantic Ocean in Charlestown in May

Sea Temperature Table in Charlestown in May Over the Past Years

Day	2024	2023	2022	Average
May 1	61°C	57°C	46°C	56°C
May 2	59°C	57°C	48°C	56°C
May 3	61°C	57°C	48°C	56°C
May 4	63°C	59°C	48°C	58°C
May 5	63°C	59°C	48°C	57°C
May 6	61°C	59°C	50°C	58°C
May 7	63°C	61°C	50°C	59°C
May 8	61°C	59°C	50°C	58°C
May 9	61°C	59°C	50°C	58°C
May 10	63°C	59°C	52°C	59°C
May 11	63°C	59°C	52°C	59°C
May 12	63°C	57°C	52°C	59°C
May 13	61°C	59°C	54°C	58°C
May 14	64°C	59°C	54°C	60°C
May 15	63°C	61°C	54°C	60°C
May 16	64°C	61°C	54°C	60°C
May 17	64°C	61°C	55°C	61°C
May 18	66°C	63°C	55°C	62°C
May 19	66°C	63°C	55°C	62°C
May 20	68°C	63°C	57°C	63°C
May 21	68°C	63°C	57°C	63°C
May 22	70°C	63°C	57°C	64°C
May 23	68°C	63°C	57°C	64°C
May 24	68°C	64°C	57°C	64°C
May 25	70°C	64°C	57°C	65°C
May 26	70°C	64°C	57°C	65°C
May 27	70°C	66°C	57°C	66°C
May 28	68°C	66°C	57°C	65°C
May 29	66°C	66°C	59°C	65°C
May 30	66°C	68°C	59°C	65°C

Charlestown Climate and Swimming Opportunities in May

72°F

Average Day Air Temperature

52°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

11 days

Number of Rainy Days

14 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

7 mph

Average Wind Speed

66%

Average
humidity

Charlestown lies within the Maryland in United States. The average daytime temperature in Charlestown in May is 71°F (22°C), while the nighttime average is 51°F (11°C). There are typically 11 rainy days during the month, with a total precipitation of 4.1 inches (105 mm). The daylight duration in May in Charlestown is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in May is 7 mph (11 km/h), and the humidity level is around 66%.

The water temperature in Charlestown in May ranges from 54°F to 64°F (12°C to 18°C). At the beginning of the month, the average temperature is around 57°F (14°C), shifting to 59°F (15°C) by mid-May and reaching 64°F (18°C) in the last ten days. Overall, the average sea temperature in Charlestown for May is 61°F (16°C). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Charlestown

What is the sea temperature in Charlestown in May?

The water temperature in the Atlantic Ocean in Charlestown in May ranges from 54°F to 64°F (12°C to 18°C).

Is it possible to swim in the Atlantic Ocean in Charlestown in May?

The average sea temperature in Charlestown in May is 61°F (16°C), and the air temperature is 71°F (22°C), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.