May weather forecast
Mountain Island, NC

Share

Weather in May

May, the last month of the spring in Mountain Island, is a moderately hot month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 59°F (15°C).

Temperature

May witnesses a minor rise in the average high-temperature, transitioning from a pleasant 70.3°F (21.3°C) in April to a warm 79.2°F (26.2°C). An average temperature of 59°F (15°C) marks the nights in Mountain Island in May.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Mountain Island, during May, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Mountain Island, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.

Snowfall

In Mountain Island, North Carolina, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 2min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:10 pm. On the last day of May, sunrise is at 6:10 am and sunset at 8:32 pm EDT.

Sunshine

The average sunshine in May in Mountain Island is 9.7h.

UV index

The months with the highest UV index in Mountain Island are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
[Resources]

Frequently asked questions

What are May temperatures in Mountain Island?

During May, Mountain Island experiences an average high-temperature of 79.2°F (26.2°C) and a low-temperature of 59°F (15°C).

What is the average humidity in May in Mountain Island?

The average relative humidity in May in Mountain Island is 75%.

How much does it rain in Mountain Island in May?

In Mountain Island, North Carolina, during May, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Mountain Island?

In Mountain Island, North Carolina, snow does not fall in April through October.

What is the average length of the day in May in Mountain Island?

In May, the average day length in Mountain Island, North Carolina, is 14h and 2min.

When is the sunrise / sunset in May in Mountain Island?

On the first day of May in Mountain Island, North Carolina, sunrise is at 6:31 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:32 pm EDT.

How many hours of sunshine does Mountain Island have in May?

In May, the average sunshine duration in Mountain Island is 9.7h.

When is the highest UV index in Mountain Island?

The months with the highest UV index in Mountain Island are May through August, with an average maximum UV index of 6.

How high is the UV index in May in Mountain Island?

In Mountain Island, North Carolina, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Mountain Island, NC

Average temperature in May - Mountain Island, NC
  • Average high temperature in May: 79.2°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in May: 59°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

[Resources]

Average pressure in May
Mountain Island, NC

Average pressure in May - Mountain Island, NC
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

[Resources]

Average wind speed in May
Mountain Island, NC

Average wind speed in May - Mountain Island, NC
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

[Resources]

Average humidity in May
Mountain Island, NC

Average humidity in May - Mountain Island, NC
  • Average humidity in May: 75%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

[Resources]

Average rainfall in May
Mountain Island, NC

Average rainfall in May - Mountain Island, NC
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

[Resources]

Average rainfall days in May
Mountain Island, NC

Average rainfall days in May - Mountain Island, NC
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

[Resources]

Average snowfall in May
Mountain Island, NC

Average snowfall in May - Mountain Island, NC
  • Average snowfall in May: 0"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in May
Mountain Island, NC

Average snowfall days in May - Mountain Island, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in May /
Average sunshine in May
Mountain Island, NC

Average daylight in May / Average sunshine in May - Mountain Island, NC
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 9h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

[Resources]

Average sunshine days in May
Mountain Island, NC

Average sunshine days in May - Mountain Island, NC
  • Average sunshine days in May: 12.2 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

[Resources]

Average UV index in May
Mountain Island, NC

Average UV index in May - Mountain Island, NC
  • Average UV index in May: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

[Resources]

Average cloud cover in May
Mountain Island, NC

Average cloud cover in May - Mountain Island, NC
  • Average cloud cover in May: 38

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

[Resources]

Average visibility in May
Mountain Island, NC

Average visibility in May - Mountain Island, NC
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Mountain Island, North Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location