Weather in Cape Hatteras Island, United States in May

The weather in May is warmer than the previous month and temperatures continue to rise slightly into June. The average maximum temperature in Cape Hatteras Island in May is 24°C (75°F). The average maximum temperature is 22°C (71°F) in the previous month and 26°C (79°F) in the next month.

The average temperature in Cape Hatteras Island in May is 20°C (67°F). The average temperature is 17°C (63°F) in the previous month and 22°C (71°F) in the next month.

The average minimum temperature in Cape Hatteras Island in May is 16°C (60°F). The minimum temperature is 13°C (56°F) in the previous month and 18°C (64°F) in the next month.

The days in May are longer than the previous month and the days continue to get marginally longer into June. May has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into June. During May the average day light hours are 13.8 per day in Cape Hatteras Island. The sunshine percentage is 61.7% making it sunny but overcast at times. The hours of sunshine per day are 8.5hrs making the days long and bright.

The ultraviolet index in Cape Hatteras Island in May is typically 10.8 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.