May weather forecast
Mount Holly, NJ

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Weather in May

The last month of the spring, May, is a pleasant month in Mount Holly, New Jersey, with an average temperature fluctuating between 54.5°F (12.5°C) and 71.6°F (22°C).

Temperature

The shift from April to May is marked by an increase in the average high-temperature, moving from a comfortable 61.5°F (16.4°C) to an agreeable 71.6°F (22°C). The average temperature during May nights is registered at a fresh 54.5°F (12.5°C).

Humidity

In May, the average relative humidity in Mount Holly is 76%.

Rainfall

In Mount Holly, in May, during 12.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Mount Holly, there are 120.1 rainfall days, and 11.81" (300mm) of precipitation is accumulated.

Snowfall

In Mount Holly, snow does not fall in April through October.

Daylight

In Mount Holly, New Jersey, the average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May in Mount Holly is 8.7h.

UV index

The months with the highest UV index in Mount Holly are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 6 during May translates into the following guidance:
Prevent overexposure. Protection from the sun's harmful effects is needed. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the usual temperature for Mount Holly in May?

The average high-temperature and low-temperature during May are 71.6°F (22°C) and 54.5°F (12.5°C) respectively.

What is the average humidity in May in Mount Holly?

In May, the average relative humidity in Mount Holly, New Jersey, is 76%.

How much does it rain in Mount Holly in May?

In Mount Holly, during May, the rain falls for 12.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow in Mount Holly?

In Mount Holly, snow does not fall in April through October.

How many hours of daylight does Mount Holly have in May?

In Mount Holly, the average day length in May is 14h and 25min.

When is the sunrise / sunset in May in Mount Holly?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:54 pm. On the last day of the month, in Mount Holly, New Jersey, sunrise is at 5:32 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Mount Holly have in May?

In May, the average sunshine duration in Mount Holly is 8.7h.

What are the months with the highest UV index in Mount Holly?

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

What is the UV index intensity in May in Mount Holly?

In May, the average daily maximum UV index in Mount Holly, New Jersey, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
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
Mount Holly, NJ

Average temperature in May - Mount Holly, NJ
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in May: 54.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in May
Mount Holly, NJ

Average pressure in May - Mount Holly, NJ
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Mount Holly, NJ

Average wind speed in May - Mount Holly, NJ
  • Average wind speed in May: 7.1mph

The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in May
Mount Holly, NJ

Average humidity in May - Mount Holly, NJ
  • Average humidity in May: 76%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in May
Mount Holly, NJ

Average rainfall in May - Mount Holly, NJ
  • Average rainfall in May: 1.02"

The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in May
Mount Holly, NJ

Average rainfall days in May - Mount Holly, NJ
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in May
Mount Holly, NJ

Average snowfall in May - Mount Holly, NJ
  • Average snowfall in May: 0"

The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Mount Holly, NJ

Average snowfall days in May - Mount Holly, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Mount Holly, NJ

Average daylight in May / Average sunshine in May - Mount Holly, NJ
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in May
Mount Holly, NJ

Average sunshine days in May - Mount Holly, NJ
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).

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Average UV index in May
Mount Holly, NJ

Average UV index in May - Mount Holly, NJ
  • 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, February, November and December (UV index 2).

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Average cloud cover in May
Mount Holly, NJ

Average cloud cover in May - Mount Holly, NJ
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Mount Holly, NJ

Average visibility in May - Mount Holly, NJ
  • 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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Mount Holly, New Jersey, USA

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