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Sea Temperature in Dewey Beach in May
Complete information on the sea temperature range in the Atlantic Ocean in Dewey Beach in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Dewey Beach. 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 Dewey Beach in May
8°C
MINIMUN
13.5°C
AVERAGE
19°C
MAXIMUM
Historical Data of Water Temperature in May in Dewey Beach
Water Temperature Chart for Atlantic Ocean in Dewey Beach in May
Sea Temperature Table in Dewey Beach in May Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| May 1 | 13°C | 11°C | 9°C | 11.5°C |
| May 2 | 13°C | 11°C | 9°C | 11.5°C |
| May 3 | 13°C | 12°C | 9°C | 12.0°C |
| May 4 | 14°C | 12°C | 10°C | 12.3°C |
| May 5 | 15°C | 12°C | 10°C | 12.5°C |
| May 6 | 14°C | 13°C | 10°C | 12.5°C |
| May 7 | 14°C | 13°C | 11°C | 12.8°C |
| May 8 | 14°C | 13°C | 11°C | 13.0°C |
| May 9 | 14°C | 13°C | 11°C | 13.0°C |
| May 10 | 14°C | 13°C | 12°C | 13.3°C |
| May 11 | 14°C | 13°C | 12°C | 13.3°C |
| May 12 | 14°C | 14°C | 12°C | 13.3°C |
| May 13 | 15°C | 14°C | 13°C | 13.8°C |
| May 14 | 15°C | 14°C | 13°C | 14.0°C |
| May 15 | 16°C | 14°C | 13°C | 14.3°C |
| May 16 | 15°C | 15°C | 14°C | 14.5°C |
| May 17 | 17°C | 15°C | 14°C | 15.0°C |
| May 18 | 17°C | 15°C | 14°C | 15.0°C |
| May 19 | 16°C | 15°C | 15°C | 15.0°C |
| May 20 | 17°C | 14°C | 16°C | 15.5°C |
| May 21 | 17°C | 15°C | 16°C | 15.5°C |
| May 22 | 18°C | 15°C | 16°C | 16.0°C |
| May 23 | 19°C | 17°C | 15°C | 16.8°C |
| May 24 | 18°C | 17°C | 15°C | 16.8°C |
| May 25 | 18°C | 17°C | 15°C | 16.8°C |
| May 26 | 19°C | 18°C | 15°C | 17.3°C |
| May 27 | 18°C | 18°C | 15°C | 17.0°C |
| May 28 | 18°C | 17°C | 16°C | 17.0°C |
| May 29 | 18°C | 18°C | 16°C | 17.3°C |
| May 30 | 17°C | 18°C | 16°C | 17.3°C |
Dewey Beach Climate and Swimming Opportunities in May
22°C
Average Day Air Temperature
11°C
Average Night Air Temperature
92 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
14 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
15 km/h
Average Wind Speed
72%
Average
humidity
Dewey Beach lies within the Delaware in United States. The average daytime temperature in Dewey Beach in May is 71°F (22°C), while the nighttime average is 52°F (11°C). There are typically 11 rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in May in Dewey Beach is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in May is 9 mph (15 km/h), and the humidity level is around 72%.
The water temperature in Dewey Beach in May ranges from 52°F to 63°F (11°C to 17°C). At the beginning of the month, the average temperature is around 54°F (12°C), shifting to 57°F (14°C) by mid-May and reaching 63°F (17°C) in the last ten days. Overall, the average sea temperature in Dewey Beach for May is 57°F (14°C). The contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.
Sea Temperature in May in Nearby Cities
Frequently Asked Questions About Water Temperatures in May in Dewey Beach
What is the sea temperature in Dewey Beach in May?
The water temperature in the Atlantic Ocean in Dewey Beach in May ranges from 52°F to 63°F (11°C to 17°C).
Is it possible to swim in the Atlantic Ocean in Dewey Beach in May?
The average sea temperature in Dewey Beach in May is 57°F (14°C), and the air temperature is 71°F (22°C), so the contrast between cool water and warm air makes for a refreshing swim. A great choice for those who enjoy invigorating dips.