May weather forecast
Topsail Beach, NC

Weather in May

May, the last month of the spring, in Topsail Beach, is a warm month, with temperature in the range of an average high of 77.4°F (25.2°C) and an average low of 66.9°F (19.4°C).

Temperature

In Topsail Beach, the average high-temperature slightly increases, from an agreeable 69.4°F (20.8°C) in April, to a warm 77.4°F (25.2°C). In Topsail Beach, the average low-temperature is 66.9°F (19.4°C).

Humidity

The average relative humidity in Topsail Beach is 76%.

Rainfall

In Topsail Beach, during May, the rain falls for 14.3 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 150.4 rainfall days, and 20.79" (528mm) of precipitation is accumulated.

Snowfall

In Topsail Beach snow does not fall in March through November.

Ocean temperature

In Topsail Beach, North Carolina, the average seawater temperature in May is 70.7°F (21.5°C).
Note: For most, swimming in 70.7°F (21.5°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Topsail Beach, the average length of the day is 14h.

Sunshine

In May, the average sunshine in Topsail Beach is 10.3h.

UV index

The average daily maximum UV index in Topsail Beach is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
[Resources]

FAQ

What is the average humidity in May in Topsail Beach?

The average relative humidity in May in Topsail Beach, North Carolina, is 76%.

How many days does it rain in May in Topsail Beach?

In Topsail Beach, North Carolina, during May, the rain falls for 14.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Topsail Beach?

March through November are months without snowfall.

How cold is the water in May in Topsail Beach?

In Topsail Beach, North Carolina, in May, the average water temperature is 70.7°F (21.5°C). Swimming in 70.7°F (21.5°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in May in Topsail Beach?

In May, the average length of the day in Topsail Beach is 14h.

How many hours of sunshine does Topsail Beach have in May?

In May, the average sunshine in Topsail Beach, North Carolina, is 10.3h.

What is the UV index intensity in May in Topsail Beach?

In May, the average daily maximum UV index in Topsail Beach is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
Topsail Beach, NC

Average temperature in May - Topsail Beach, NC
  • Average high temperature in May: 25.2°C

The warmest month (with the highest average high temperature) is July (30.3°C).
The month with the lowest average high temperature is January (12.5°C).

  • Average low temperature in May: 19.4°C

The month with the highest average low temperature is July (25°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

[Resources]

Average pressure in May
Topsail Beach, NC

Average pressure in May - Topsail Beach, NC
  • Average pressure in May: 1017mbar

The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is June (1015mbar).

[Resources]

Average wind speed in May
Topsail Beach, NC

Average wind speed in May - Topsail Beach, NC
  • Average wind speed in May: 15.8km/h

The windiest month (with the highest average wind speed) is April (17.6km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).

[Resources]

Average humidity in May
Topsail Beach, NC

Average humidity in May - Topsail Beach, NC
  • Average humidity in May: 76%

Months with the highest relative humidity are August and December (77%).
Months with the lowest relative humidity are January and March (73%).

[Resources]

Average rainfall in May
Topsail Beach, NC

Average rainfall in May - Topsail Beach, NC
  • Average rainfall in May: 50mm

The wettest month (with the highest rainfall) is September (74mm).
The driest month (with the least rainfall) is January (20mm).

[Resources]

Average rainfall days in May
Topsail Beach, NC

Average rainfall days in May - Topsail Beach, NC
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (8.2 days).

[Resources]

Average snowfall in May
Topsail Beach, NC

Average snowfall in May - Topsail Beach, NC
  • Average snowfall in May: 0mm

Months with the highest snowfall are January, February and December (1mm).
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

[Resources]

Average snowfall days in May
Topsail Beach, NC

Average snowfall days in May - Topsail Beach, NC
  • Average snowfall days in May: 0 days

Months with the highest number of snowfall days are January and February (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

[Resources]

Average sea temperature in May
Topsail Beach, NC

Average sea temperature in May - Topsail Beach, NC
  • Average sea temperature in May: 21.5°C

The best month for swimming (with the highest average sea temperature) is August (28.2°C).
The coldest month (with the lowest average sea temperature) is February (14.2°C).

[Resources]

Average daylight in May /
Average sunshine in May
Topsail Beach, NC

Average daylight in May / Average sunshine in May - Topsail Beach, NC
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.6h).

[Resources]

Average sunshine days in May
Topsail Beach, NC

Average sunshine days in May - Topsail Beach, NC
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (8.2 days).

[Resources]

Average UV index in May
Topsail Beach, NC

Average UV index in May - Topsail Beach, NC
  • Average UV index in May: 6

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

[Resources]

Average cloud cover in May
Topsail Beach, NC

Average cloud cover in May - Topsail Beach, NC
  • Average cloud cover in May: 30

Months with the most cloud cover are February and December (Cloud cover 39).
Months with the least cloud cover are June and July (Cloud cover 26).

[Resources]

Average visibility in May
Topsail Beach, NC

Average visibility in May - Topsail Beach, NC
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location