May weather forecast
Jacksonville, NC

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Weather in May

May is characterized by the full onset of spring transitioning into early signs of summer. A significant increase in temperature is observed, with the mercury often climbing to the higher end of the temperature scale. Humidity in May sees a slight uptick, registering at 75% on average. The amount of daylight hours reach its annual peak during this month, indicating longer and sunnier days ahead. With rain starting to increase, Jacksonville's May weather carries the pleasing warmth of spring while previewing the incoming summer heat.

Temperature

With the onset of May, Jacksonville's weather sees a minor temperature rise, transitioning from a pleasant 71.6°F (22°C) in April to a moderately hot 79.3°F (26.3°C). May in Jacksonville is noted for a mean low-temperature of 63.5°F (17.5°C).

Humidity

In May, the average relative humidity in Jacksonville is 75%.

Rainfall

In Jacksonville, during May, the rain falls for 14 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 158.7 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

In May, the average length of the day in Jacksonville, North Carolina, is 14h and 0min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:55 pm. On the last day of May, in Jacksonville, sunrise is at 5:57 am and sunset at 8:17 pm EDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In May, the average daily maximum UV index in Jacksonville is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in May interprets into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Jacksonville in May?

Jacksonville in May has an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 63.5°F (17.5°C).

What is the average humidity in May in Jacksonville?

In Jacksonville, the average relative humidity in May is 75%.

How many days does it rain in May in Jacksonville?

In Jacksonville, North Carolina, during May, the rain falls for 14 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Jacksonville?

In Jacksonville, snow does not fall in March through December.

What is the average length of the day in May in Jacksonville?

In May, the average day length in Jacksonville is 14h and 0min.

When are sunrise and sunset in May in Jacksonville?

On the first day of May in Jacksonville, sunrise is at 6:18 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:17 pm EDT.

How long on average sun shines in May in Jacksonville?

In Jacksonville, North Carolina, the average sunshine duration in May is 9.9h.

What is the UV index reading in May in Jacksonville?

In Jacksonville, North Carolina, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Jacksonville, NC

Average temperature in May - Jacksonville, NC
  • Average high temperature in May: 79.3°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in May: 63.5°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in May
Jacksonville, NC

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in May
Jacksonville, NC

Average wind speed in May - Jacksonville, NC
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in May
Jacksonville, NC

Average humidity in May - Jacksonville, NC
  • Average humidity in May: 75%

The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January, February, March and April (73%).

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Average rainfall in May
Jacksonville, NC

Average rainfall in May - Jacksonville, NC
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in May
Jacksonville, NC

Average rainfall days in May - Jacksonville, NC
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in May
Jacksonville, NC

Average snowfall in May - Jacksonville, NC
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Jacksonville, NC

Average snowfall days in May - Jacksonville, NC
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Jacksonville, NC

Average daylight in May / Average sunshine in May - Jacksonville, 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 54min).

  • Average sunshine in May: 9h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in May
Jacksonville, NC

Average sunshine days in May - Jacksonville, NC
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (6.7 days).

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Average UV index in May
Jacksonville, NC

Average UV index in May - Jacksonville, NC
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Jacksonville, NC

Average cloud cover in May - Jacksonville, NC
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 28).

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Average visibility in May
Jacksonville, NC

Average visibility in May - Jacksonville, 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).

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Jacksonville, North Carolina, USA

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