May weather forecast and climate
New Bedford, MA

Amazing stonework looking over at the white Breakwater Entrance Lighthouse in the New Bedford Harbor, Massachusetts
Amazing stonework looking over at the white Breakwater Entrance Lighthouse in the New Bedford Harbor, Massachusetts

Weather in May

May, the last month of the spring, in New Bedford, is a comfortable month, with average temperature ranging between max 62.4°F (16.9°C) and min 50.7°F (10.4°C).

Temperature

In New Bedford, Massachusetts, the average high-temperature increases, from a fresh 53.2°F (11.8°C) in April, to a comfortable 62.4°F (16.9°C). In May, in New Bedford, the average low-temperature is 50.7°F (10.4°C).

Humidity

In New Bedford, the average relative humidity in May is 78%.

Rainfall

In New Bedford, in May, during 13.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in New Bedford, there are 133.2 rainfall days, and 17.2" (437mm) of precipitation is accumulated.

Snowfall

In New Bedford snow does not fall through October.

Ocean temperature

In New Bedford, Massachusetts, the average seawater temperature in May is 50.4°F (10.2°C).
Note: Swimming in 50.4°F (10.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In New Bedford, the average length of the day in May is 14.6h.

Sunshine

In New Bedford, the average sunshine is 8.5h.

UV index

In May, the average daily maximum UV index in New Bedford is 5. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in May in New Bedford?

The average relative humidity in May in New Bedford is 78%.

How much does it rain in New Bedford in May?

In New Bedford, during May, the rain falls for 13.3 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in New Bedford?

May through October are months without snowfall.

Does it snow in New Bedford in May?

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

How cold is the water in May in New Bedford?

In New Bedford, the average seawater temperature in May is 50.4°F (10.2°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

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

In May, the average length of the day is 14.6h.

How many hours of sunshine does New Bedford have in May?

In May, the average sunshine in New Bedford is 8.5h.

How high is the UV index in May in New Bedford?

In New Bedford, Massachusetts, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in May
New Bedford, MA

Average temperature in May - New Bedford, MA
  • Average high temperature in May: 16.9°C

The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in May: 10.4°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

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Average pressure in May
New Bedford, MA

Average pressure in May - New Bedford, MA
  • Average pressure in May: 1016.4mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

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Average wind speed in May
New Bedford, MA

Average wind speed in May - New Bedford, MA
  • Average wind speed in May: 15.1km/h

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).

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Average humidity in May
New Bedford, MA

Average humidity in May - New Bedford, MA
  • Average humidity in May: 78%

Months with the highest relative humidity are June and July (80%).
Months with the lowest relative humidity are March, April and November (74%).

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Average rainfall in May
New Bedford, MA

Average rainfall in May - New Bedford, MA
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is September (27mm).

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Average rainfall days in May
New Bedford, MA

Average rainfall days in May - New Bedford, MA
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in May
New Bedford, MA

Average snowfall in May - New Bedford, MA
  • Average snowfall in May: 0mm

The month with the highest snowfall is February (45mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in May
New Bedford, MA

Average snowfall days in May - New Bedford, MA
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in May
New Bedford, MA

Average sea temperature in May - New Bedford, MA
  • Average sea temperature in May: 10.2°C

The best month for swimming (with the highest average sea temperature) is August (20.3°C).
The coldest month (with the lowest average sea temperature) is February (3.4°C).

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Average daylight in May /
Average sunshine in May
New Bedford, MA

Average daylight in May / Average sunshine in May - New Bedford, MA
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in May: 8.5h

The month with the most sunshine is August (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in May
New Bedford, MA

Average sunshine days in May - New Bedford, MA
  • Average sunshine days in May: 15.6 days

Months with the most sunshine days are November and December (18.3 days).
The month with the least sunshine days is April (14.4 days).

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Average UV index in May
New Bedford, MA

Average UV index in May - New Bedford, MA
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
New Bedford, MA

Average cloud cover in May - New Bedford, MA
  • Average cloud cover in May: 44

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
New Bedford, MA

Average visibility in May - New Bedford, MA
  • Average visibility in May: 9km

Months with the highest visibility are April, August, October and November (10km).
Months with the lowest visibility are January, February, March, May, June, July, September and December (9km).

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