May weather forecast
Newton, NH

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Weather in May

The last month of the spring, May, is a comfortable month in Newton, New Hampshire, with an average temperature fluctuating between 48.7°F (9.3°C) and 65.5°F (18.6°C).

Temperature

May comes with an increase, with the average high-temperature moving from a fresh 54.5°F (12.5°C) in April to an enjoyable 65.5°F (18.6°C). The mean low-temperature during May nights is a chilly 48.7°F (9.3°C).

Humidity

The average relative humidity in May is 74%.

Rainfall

In Newton, during May, the rain falls for 7.8 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 78.3 rainfall days, and 5.43" (138mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Newton. May is the last month it regularly snows in Newton. During 0.1 snowfall days, in May, Newton aggregates 0.04" (1mm) of snow. In Newton, during the entire year, snow falls for 17.2 days and aggregates up to 2.6" (66mm) of snow.

Daylight

The average length of the day in May is 14h and 40min.
On the first day of May, sunrise is at 5:37 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:15 pm EDT.

Sunshine

In Newton, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are the temperatures in Newton in May?

The high-temperature in Newton, New Hampshire, during May is 65.5°F (18.6°C) and the low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Newton?

The average relative humidity in May in Newton, New Hampshire, is 74%.

How many days does it rain in May in Newton?

In Newton, New Hampshire, during May, the rain falls for 7.8 days and regularly aggregates up to 0.39" (10mm) of precipitation.

What is the last month it snows in Newton?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Newton aggregates 0.04" (1mm) of snow.

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

In Newton, the average day length in May is 14h and 40min.

When is the sunrise / sunset in May in Newton?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:45 pm. On the last day of the month, in Newton, New Hampshire, sunrise is at 5:08 am and sunset at 8:15 pm EDT.

How many hours of sunshine does Newton have in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Newton?

In Newton, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Newton, NH

Average temperature in May - Newton, NH
  • Average high temperature in May: 65.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in May
Newton, NH

Average pressure in May - Newton, NH
  • Average pressure in May: 30"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Newton, NH

Average wind speed in May - Newton, NH
  • Average wind speed in May: 6.9mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in May
Newton, NH

Average humidity in May - Newton, NH
  • Average humidity in May: 74%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in May
Newton, NH

Average rainfall in May - Newton, NH
  • Average rainfall in May: 0.39"

The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in May
Newton, NH

Average rainfall days in May - Newton, NH
  • Average rainfall days in May: 7.8 days

The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in May
Newton, NH

Average snowfall in May - Newton, NH
  • Average snowfall in May: 0.04"

The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Newton, NH

Average snowfall days in May - Newton, NH
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Newton, NH

Average daylight in May / Average sunshine in May - Newton, NH
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Newton, NH

Average sunshine days in May - Newton, NH
  • Average sunshine days in May: 20.3 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).

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Average UV index in May
Newton, NH

Average UV index in May - Newton, NH
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The 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
Newton, NH

Average cloud cover in May - Newton, NH
  • Average cloud cover in May: 46

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in May
Newton, NH

Average visibility in May - Newton, NH
  • 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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Newton, New Hampshire, USA

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