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

8°C

MINIMUN

14.5°C

AVERAGE

21°C

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	16°C	14°C	8°C	13.3°C
May 2	15°C	14°C	9°C	13.3°C
May 3	16°C	14°C	9°C	13.5°C
May 4	17°C	15°C	9°C	14.3°C
May 5	17°C	15°C	9°C	14.3°C
May 6	16°C	15°C	10°C	14.3°C
May 7	17°C	16°C	10°C	15.0°C
May 8	16°C	15°C	10°C	14.5°C
May 9	16°C	15°C	10°C	14.5°C
May 10	17°C	15°C	11°C	15.3°C
May 11	17°C	15°C	11°C	15.0°C
May 12	17°C	14°C	11°C	14.8°C
May 13	16°C	15°C	12°C	15.0°C
May 14	18°C	15°C	12°C	15.5°C
May 15	17°C	16°C	12°C	15.8°C
May 16	18°C	16°C	12°C	16.0°C
May 17	18°C	16°C	13°C	16.3°C
May 18	19°C	17°C	13°C	17.0°C
May 19	19°C	17°C	13°C	17.0°C
May 20	20°C	17°C	14°C	17.5°C
May 21	20°C	17°C	14°C	17.8°C
May 22	21°C	17°C	14°C	17.8°C
May 23	20°C	17°C	14°C	17.3°C
May 24	20°C	18°C	14°C	17.5°C
May 25	21°C	18°C	14°C	17.8°C
May 26	21°C	18°C	14°C	17.8°C
May 27	21°C	19°C	14°C	18.0°C
May 28	20°C	19°C	14°C	17.8°C
May 29	19°C	19°C	15°C	17.8°C
May 30	19°C	20°C	15°C	18.0°C

Charlestown Climate and Swimming Opportunities in May

22°C

Average Day Air Temperature

11°C

Average Night Air Temperature

105 mm

Precipitation Amount per Month

11 days

Number of Rainy Days

14 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

11 km/h

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.