May weather forecast
Byberry, PA

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Weather in May

The last month of the spring, May, is an agreeable month in Byberry, Pennsylvania, with an average temperature varying between 53.6°F (12°C) and 71.2°F (21.8°C).

Temperature

Byberry sees a rise in temperature during May, with average high-temperatures transitioning from a mild 60.6°F (15.9°C) in April to a pleasant 71.2°F (21.8°C). Byberry usually reports an average low-temperature of 53.6°F (12°C) during the month of May.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In Byberry, in May, during 8.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 83.7 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Byberry are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Byberry aggregates 0.16" (4mm) of snow. Throughout the year, in Byberry, there are 12.6 snowfall days, and 1.73" (44mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 25min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

May temperatures vary between a high-temperature of 71.2°F (21.8°C) and a low-temperature of 53.6°F (12°C).

What is the average humidity in May?

The average relative humidity in May is 76%.

How many days does it rain in May?

In Byberry, in May, during 8.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Byberry aggregates 0.16" (4mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 25min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:58 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:22 pm EDT.

How many hours of sunshine does Byberry have in May?

In May, the average sunshine duration is 8.7h.

What is the month with the highest UV index in Byberry?

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

How high is the UV index in May?

In Byberry, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Byberry, PA

Average temperature in May - Byberry, PA
  • Average high temperature in May: 71.2°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May
Byberry, PA

Average pressure in May - Byberry, 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
Byberry, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in May
Byberry, PA

Average humidity in May - Byberry, PA
  • Average humidity in May: 76%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in May
Byberry, PA

Average rainfall in May - Byberry, PA
  • Average rainfall in May: 0.59"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

Average rainfall days in May
Byberry, PA

Average rainfall days in May - Byberry, PA
  • Average rainfall days in May: 8.1 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Byberry, PA

Average snowfall in May - Byberry, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Byberry, PA

Average snowfall days in May - Byberry, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Byberry, 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 24min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Byberry, PA

Average sunshine days in May - Byberry, PA
  • Average sunshine days in May: 19.6 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

Average UV index in May
Byberry, PA

Average UV index in May - Byberry, PA
  • Average UV index in May: 6

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

Average cloud cover in May
Byberry, PA

Average cloud cover in May - Byberry, PA
  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Byberry, PA

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

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

Byberry, Pennsylvania, USA

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