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Sea Temperature in Portsmouth in May
© Greg McDow
Complete information on the sea temperature range in the Atlantic Ocean in Portsmouth in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Portsmouth. 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 Portsmouth in May
61°F
MINIMUN
70°F
AVERAGE
79°F
MAXIMUM
Historical Data of Water Temperature in May in Portsmouth
Water Temperature Chart for Atlantic Ocean in Portsmouth in May
Sea Temperature Table in Portsmouth in May Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| May 1 | 68°C | 61°C | 61°C | 64°C |
| May 2 | 68°C | 63°C | 63°C | 64°C |
| May 3 | 70°C | 63°C | 63°C | 65°C |
| May 4 | 70°C | 63°C | 63°C | 66°C |
| May 5 | 70°C | 64°C | 64°C | 67°C |
| May 6 | 70°C | 64°C | 64°C | 67°C |
| May 7 | 72°C | 64°C | 64°C | 68°C |
| May 8 | 70°C | 64°C | 64°C | 67°C |
| May 9 | 72°C | 66°C | 66°C | 69°C |
| May 10 | 72°C | 66°C | 66°C | 69°C |
| May 11 | 70°C | 66°C | 66°C | 68°C |
| May 12 | 68°C | 66°C | 66°C | 68°C |
| May 13 | 68°C | 68°C | 68°C | 68°C |
| May 14 | 68°C | 68°C | 68°C | 68°C |
| May 15 | 70°C | 68°C | 68°C | 69°C |
| May 16 | 68°C | 68°C | 68°C | 69°C |
| May 17 | 68°C | 70°C | 70°C | 69°C |
| May 18 | 70°C | 70°C | 70°C | 70°C |
| May 19 | 72°C | 70°C | 70°C | 70°C |
| May 20 | 72°C | 72°C | 72°C | 71°C |
| May 21 | 72°C | 72°C | 72°C | 71°C |
| May 22 | 73°C | 72°C | 72°C | 72°C |
| May 23 | 72°C | 72°C | 72°C | 71°C |
| May 24 | 73°C | 73°C | 73°C | 73°C |
| May 25 | 73°C | 73°C | 73°C | 73°C |
| May 26 | 75°C | 73°C | 73°C | 73°C |
| May 27 | 75°C | 73°C | 73°C | 74°C |
| May 28 | 77°C | 75°C | 75°C | 75°C |
| May 29 | 77°C | 75°C | 75°C | 75°C |
| May 30 | 75°C | 75°C | 75°C | 75°C |
Portsmouth Climate and Swimming Opportunities in May
77°F
Average Day Air Temperature
59°F
Average Night Air Temperature
4 in
Precipitation Amount per Month
10 days
Number of Rainy Days
14 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
10 mph
Average Wind Speed
75%
Average
humidity
Portsmouth lies within the North Carolina in United States. The average daytime temperature in Portsmouth in May is 77°F (25°C), while the nighttime average is 60°F (15°C). There are typically 10 rainy days during the month, with a total precipitation of 4.1 inches (103 mm). The daylight duration in May in Portsmouth is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in May is 11 mph (17 km/h), and the humidity level is around 75%.
The water temperature in Portsmouth in May ranges from 63°F to 75°F (17°C to 24°C). At the beginning of the month, the average temperature is around 66°F (19°C), shifting to 68°F (20°C) by mid-May and reaching 73°F (23°C) in the last ten days. Overall, the average sea temperature in Portsmouth for May is 70°F (21°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Sea Temperature in May in Nearby Cities
Frequently Asked Questions About Water Temperatures in May in Portsmouth
What is the sea temperature in Portsmouth in May?
The water temperature in the Atlantic Ocean in Portsmouth in May ranges from 63°F to 75°F (17°C to 24°C).
Is it possible to swim in the Atlantic Ocean in Portsmouth in May?
The average sea temperature in Portsmouth in May is 70°F (21°C), and the air temperature is 77°F (25°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.