May weather forecast
South Heberton, PA

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Weather in May

May, the last month of the spring in South Heberton, is a comfortable month, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.4°F (9.1°C).

Temperature

In South Heberton, stepping into May brings a temperature increase, moving up from April's fresh 55°F (12.8°C) to a comfortable 66.7°F (19.3°C). In South Heberton, the average nighttime temperature during May is a chilly 48.4°F (9.1°C).

Humidity

The average relative humidity in May is 81%.

Rainfall

The month with the most rainfall is May, when the rain falls for 19.4 days and typically aggregates up to 3.5" (89mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, South Heberton aggregates 0.87" (22mm) of snow. Throughout the year, there are 60.9 snowfall days, and 38.9" (988mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 30min.
On the first day of May, sunrise is at 6:00 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:29 pm EDT.

Sunshine

In May, the average sunshine is 7.6h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

An average high-temperature, in May, in South Heberton, is 66.7°F (19.3°C) and the average low-temperature is 48.4°F (9.1°C).

What is the average humidity in May in South Heberton?

In South Heberton, the average relative humidity in May is 81%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 19.4 days and accumulates 3.5" (89mm) of precipitation.

How much does it rain in May?

In South Heberton, in May, it is raining for 19.4 days, with typically 3.5" (89mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, South Heberton aggregates 0.87" (22mm) of snow.

How many hours of daylight does South Heberton have in May?

In May, the average day length is 14h and 30min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:00 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:29 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 7.6h.

What is the month with the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 5.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Heberton, PA

Average temperature in May - South Heberton, PA
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in May: 48.4°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in May
South Heberton, PA

Average pressure in May - South Heberton, 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).

Average wind speed in May
South Heberton, PA

Average wind speed in May - South Heberton, PA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
South Heberton, PA

Average humidity in May - South Heberton, PA
  • Average humidity in May: 81%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in May
South Heberton, PA

Average rainfall in May - South Heberton, PA
  • Average rainfall in May: 3.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in May
South Heberton, PA

Average rainfall days in May - South Heberton, PA
  • Average rainfall days in May: 19.4 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).

Average snowfall in May
South Heberton, PA

Average snowfall in May - South Heberton, PA
  • Average snowfall in May: 0.87"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
South Heberton, PA

Average snowfall days in May - South Heberton, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
South Heberton, PA

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

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

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in May
South Heberton, PA

Average sunshine days in May - South Heberton, PA
  • Average sunshine days in May: 9.2 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in May
South Heberton, PA

Average UV index in May - South Heberton, PA
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
South Heberton, PA

Average cloud cover in May - South Heberton, PA
  • Average cloud cover in May: 53

The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in May
South Heberton, PA

Average visibility in May - South Heberton, PA
  • Average visibility in May: 5mi

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

South Heberton, Pennsylvania, USA

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