May weather forecast
Northampton Heights, PA

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Weather in May

The last month of the spring, May, is a pleasant month in Northampton Heights, Pennsylvania, with an average temperature fluctuating between 50.5°F (10.3°C) and 69.6°F (20.9°C).

Temperature

As May arrives, Northampton Heights's weather shows an increase in high-temperatures, moving from April's mild 58.6°F (14.8°C) to a pleasant 69.6°F (20.9°C). Northampton Heights's average low-temperature in May is measured at a fresh 50.5°F (10.3°C).

Humidity

The average relative humidity in May in Northampton Heights is 79%.

Rainfall

In Northampton Heights, in May, during 17.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Northampton Heights, Pennsylvania. May is the last month it regularly snows in Northampton Heights. During 0.1 snowfall days, in May, Northampton Heights aggregates 0.12" (3mm) of snow. Throughout the year, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.

Daylight

The average length of the day in May in Northampton Heights is 14h and 28min.
On the first day of the month, sunrise is at 5:59 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

Sunshine

The average sunshine in May in Northampton Heights is 8.3h.

UV index

The months with the highest UV index are May through July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 6 during May translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Northampton Heights in May?

In May, the average high-temperature and low-temperature in Northampton Heights are 69.6°F (20.9°C) and 50.5°F (10.3°C) respectively.

What is the average humidity in May in Northampton Heights?

In Northampton Heights, the average relative humidity in May is 79%.

How much does it rain in Northampton Heights in May?

In May, the rain falls for 17.8 days. Throughout May, 2.72" (69mm) of precipitation is accumulated.

What is the last month it snows in Northampton Heights?

May is the last month it regularly snows in Northampton Heights, Pennsylvania. During 0.1 snowfall days, in May, Northampton Heights aggregates 0.12" (3mm) of snow.

How many hours of daylight does Northampton Heights have in May?

The average day length in May in Northampton Heights, Pennsylvania, is 14h and 28min.

When is the sunrise / sunset in May in Northampton Heights?

On the first day of May, sunrise is at 5:59 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:25 pm EDT.

How long on average sun shines in May in Northampton Heights?

In May, the average sunshine duration is 8.3h.

What is the month with the highest UV index in Northampton Heights?

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

What is the UV index intensity in May in Northampton Heights?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe 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
Northampton Heights, PA

Average temperature in May - Northampton Heights, PA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in May
Northampton Heights, PA

Average pressure in May - Northampton Heights, PA
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in May
Northampton Heights, PA

Average wind speed in May - Northampton Heights, PA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in May
Northampton Heights, PA

Average humidity in May - Northampton Heights, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in May
Northampton Heights, PA

Average rainfall in May - Northampton Heights, PA
  • Average rainfall in May: 2.72"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in May
Northampton Heights, PA

Average rainfall days in May - Northampton Heights, PA
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in May
Northampton Heights, PA

Average snowfall in May - Northampton Heights, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Northampton Heights, PA

Average snowfall days in May - Northampton Heights, PA
  • Average snowfall days in May: 0.1 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Northampton Heights, PA

Average daylight in May / Average sunshine in May - Northampton Heights, PA
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in May
Northampton Heights, PA

Average sunshine days in May - Northampton Heights, PA
  • Average sunshine days in May: 11 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

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Average UV index in May
Northampton Heights, PA

Average UV index in May - Northampton Heights, PA
  • Average UV index in May: 6

The months with the highest UV index are May, June and July (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
Northampton Heights, PA

Average cloud cover in May - Northampton Heights, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in May
Northampton Heights, PA

Average visibility in May - Northampton Heights, PA
  • Average visibility in May: 5mi

The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).

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Northampton Heights, Pennsylvania, USA

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