May weather forecast
Marlton, MD

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Weather in May

May, the last month of the spring in Marlton, is a moderately hot month, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 57°F (13.9°C).

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from an enjoyable 64.4°F (18°C) to a moderately hot 73.6°F (23.1°C). Throughout May, Marlton witnesses a consistent average low-temperature of 57°F (13.9°C).

Humidity

May is the most humid month, with an average relative humidity of 77%.

Rainfall

In May, in Marlton, the rain falls for 17.7 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. In Marlton, during the entire year, the rain falls for 164.8 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May is 14h and 18min.
On the first day of the month, sunrise is at 6:08 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:25 pm EDT.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 6 in May transforms into this advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

What are the temperatures in May?

An average high-temperature, in May, in Marlton, is 73.6°F (23.1°C) and the average low-temperature is 57°F (13.9°C).

What is the most humid month?

The most humid month is May, with an average relative humidity of 77%.

What is the average humidity in May in Marlton?

In May, the average relative humidity is 77%.

How much does it rain in May?

In Marlton, Maryland, in May, during 17.7 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does Marlton have in May?

In Marlton, the average day length in May is 14h and 18min.

When are sunrise and sunset in May?

On the first day of May in Marlton, sunrise is at 6:08 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:25 pm EDT.

How long on average sun shines in May?

In Marlton, the average sunshine duration in May is 9.1h.

When is the highest UV index?

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

What is the UV index reading in May?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Marlton, MD

Average temperature in May - Marlton, MD
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in May
Marlton, MD

Average pressure in May - Marlton, MD
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Marlton, MD

Average wind speed in May - Marlton, MD
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in May
Marlton, MD

Average humidity in May - Marlton, MD
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).

Average rainfall in May
Marlton, MD

Average rainfall in May - Marlton, MD
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in May
Marlton, MD

Average rainfall days in May - Marlton, MD
  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in May
Marlton, MD

Average snowfall in May - Marlton, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Marlton, MD

Average snowfall days in May - Marlton, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Marlton, MD

Average daylight in May / Average sunshine in May - Marlton, MD
  • Average daylight in May: 14h and 2min

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

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Marlton, MD

Average sunshine days in May - Marlton, MD
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in May
Marlton, MD

Average UV index in May - Marlton, MD
  • 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, November and December (UV index 2).

Average cloud cover in May
Marlton, MD

Average cloud cover in May - Marlton, MD
  • Average cloud cover in May: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in May
Marlton, MD

Average visibility in May - Marlton, MD
  • 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).

Marlton, Maryland, USA

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