May weather forecast
Duncansville, PA

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Weather in May

May, the last month of the spring in Duncansville, is an agreeable month, with an average temperature ranging between max 68.5°F (20.3°C) and min 48.7°F (9.3°C).

Temperature

In Duncansville, stepping into May brings a temperature increase, moving up from April's refreshing 57.7°F (14.3°C) to a pleasant 68.5°F (20.3°C). Throughout May, the temperature tends to fall to a consistent average low of 48.7°F (9.3°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 2.76" (70mm) 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, Duncansville aggregates 0.12" (3mm) of snow. Throughout the year, there are 50.3 snowfall days, and 17.01" (432mm) of snow is accumulated.

Daylight

In Duncansville, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 6:11 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:45 am and sunset at 8:37 pm EDT.

Sunshine

In May, the average sunshine is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

Duncansville in May has an average high-temperature of 68.5°F (20.3°C) and an average low-temperature of 48.7°F (9.3°C).

What is the average humidity in May in Duncansville?

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

What is the rainiest month?

May is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.76" (70mm) of precipitation.

How many days does it rain in May?

In May, the rain falls for 17.8 days. Throughout May, 2.76" (70mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Duncansville aggregates 0.12" (3mm) of snow.

How many hours of daylight does Duncansville have in May?

In May, the average day length is 14h and 26min.

What time are sunrise and sunset in May?

On the first day of May, sunrise is at 6:11 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:37 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.2h.

When is 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 intensity in May?

In Duncansville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Duncansville, PA

Average temperature in May - Duncansville, PA
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in May
Duncansville, PA

Average pressure in May - Duncansville, PA
  • 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 (29.95"Hg).

Average wind speed in May
Duncansville, PA

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

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in May
Duncansville, PA

Average humidity in May - Duncansville, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in May
Duncansville, PA

Average rainfall in May - Duncansville, PA
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days in May
Duncansville, PA

Average rainfall days in May - Duncansville, 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 (9.3 days).

Average snowfall in May
Duncansville, PA

Average snowfall in May - Duncansville, PA
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Duncansville, PA

Average snowfall days in May - Duncansville, PA
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Duncansville, PA

Average daylight in May / Average sunshine in May - Duncansville, PA
  • Average daylight in May: 14h and 2min

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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in May
Duncansville, PA

Average sunshine days in May - Duncansville, PA
  • Average sunshine days in May: 10.5 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in May
Duncansville, PA

Average UV index in May - Duncansville, 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
Duncansville, PA

Average cloud cover in May - Duncansville, PA
  • Average cloud cover in May: 49

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in May
Duncansville, PA

Average visibility in May - Duncansville, PA
  • Average visibility in May: 5mi

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

Duncansville, Pennsylvania, USA

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