May weather forecast
New Carrollton, MD

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Weather in May

May in New Carrollton sees a further enhancement of the spring weather that April initiated. The weather at this time tends to favor outdoor activities, with warmer temperatures drawing people out to enjoy the city's attractions. The record-breaking leap in daylight hours rings in the start of the longest days of the year. An average highest temperature hitting 73.9°F (23.3°C) shows a considerable warm-up from the preceding month. Moving into June, this warming trend will become more pronounced, eventually paving the way for the city's summer season.

Temperature

May marks a rise in the average high-temperature in New Carrollton, moving from April's comfortable 64.8°F (18.2°C) to a warm 73.9°F (23.3°C). Throughout May, the temperature falls to an average low of 57°F (13.9°C).

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In New Carrollton, during May, the rain falls for 17.9 days and regularly aggregates up to 2.99" (76mm) of precipitation. In New Carrollton, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

May through November are months without snowfall in New Carrollton.

Daylight

The average length of the day in May in New Carrollton is 14h and 19min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine in New Carrollton is 8.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in New Carrollton. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

What is the temperature in May in New Carrollton?

The average high-temperature and low-temperature during May are 73.9°F (23.3°C) and 57°F (13.9°C) respectively.

What is the most humid month in New Carrollton?

The months with the highest humidity in New Carrollton, Maryland, are May, October and December, with an average relative humidity of 76%.

What is the average humidity in May in New Carrollton?

In May, the average relative humidity in New Carrollton is 76%.

How much does it rain in New Carrollton in May?

In New Carrollton, Maryland, in May, it is raining for 17.9 days, with typically 2.99" (76mm) of accumulated precipitation.

When it does not snow in New Carrollton?

In New Carrollton, Maryland, snow does not fall in May through November.

Does it snow in New Carrollton in May?

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

What is the average length of the day in May in New Carrollton?

In New Carrollton, Maryland, the average day length in May is 14h and 19min.

When is the sunrise / sunset in May in New Carrollton?

On the first day of May in New Carrollton, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:26 pm EDT.

How long on average sun shines in May in New Carrollton?

The average sunshine duration in May is 8.9h.

When is the highest UV index in New Carrollton?

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

What is the UV index reading in May in New Carrollton?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
New Carrollton, MD

Average temperature in May - New Carrollton, MD
  • Average high temperature in May: 73.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in May
New Carrollton, MD

Average pressure in May - New Carrollton, 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).

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Average wind speed in May
New Carrollton, MD

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in May
New Carrollton, MD

Average humidity in May - New Carrollton, MD
  • Average humidity in May: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in May
New Carrollton, MD

Average rainfall in May - New Carrollton, MD
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in May
New Carrollton, MD

Average rainfall days in May - New Carrollton, MD
  • Average rainfall days in May: 17.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in May
New Carrollton, MD

Average snowfall in May - New Carrollton, MD
  • Average snowfall in May: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in May
New Carrollton, MD

Average snowfall days in May - New Carrollton, MD
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.1 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
New Carrollton, MD

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in May
New Carrollton, MD

Average sunshine days in May - New Carrollton, MD
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in May
New Carrollton, MD

Average UV index in May - New Carrollton, 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 and December (UV index 2).

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Average cloud cover in May
New Carrollton, MD

Average cloud cover in May - New Carrollton, MD
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in May
New Carrollton, MD

Average visibility in May - New Carrollton, 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).

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New Carrollton, Maryland, USA

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